Can We 3D Print Working Machine Parts Using This Unique Filament?
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- čas přidán 16. 05. 2024
- It's lean it's green and it prints like a....
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I've been on a mission to use 3D printing to upgrade to fix and to repair as many of my tools as possible, and when it comes to tool repair, 3D printing isn't always what comes to mind first. If we want something stiff, that's precise it's better to machine it from metal and pay what it takes. But maybe it's possible to replace parts with the right filament, every day there are new and unique filaments coming out that push the boundaries of what we can do with 3D printing.
Having recently tested the QIDI Q1 and having good success with it, I went back to their website and I found that they sell a filament called ABSGF25 and it's not like anything I've seen before, so I contacted QIDI to see if they'd send me a spool to test out... I didn't specify the color, so they sent green, and that's perfectly fine, it showed up really well on camera.
All of the prints in this video were made on the QIDI Q1 Pro, it's still printing very well it's at least on-par with the X1C for print quality, though it doesn't have a color option at the moment.
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the one print he did with a heated chamber and a closed off enclosure didn't warp. and he attributes this to the fillament itself?
sorry but these machines and tools didn't deserve this horrible fate of being your posession.
Nice! Do you have an idea as to why they were printed this way? Maybe you can care to share why you think it's a good idea to print all of the materials with the same settings since you are an all-seeing and all knowing god-like creature.
@@NeedItMakeIt
print the carbon fibre without heated chamber and with an open top aswel and it will warp the most of all.
print the others with a closed enclosure and a heated chamber and they will not warp either.
yes even pla can be printed in a heated chamber.
you realise they have temperature control right? set up the right temp.
and an open printer with draft running past it is the reason you are getting warped prints.
@@darkracer1252 It might be worthwhile taking some time to print some real parts with threads and severe overhangs and come back to see how it worked out for you.
Dude everyone is at different stages of learning. Knowing something another person doesnt, doesnt give you the right to insult them. Science requires us to share info with each other so we can see things and know things we couldn't otherwise as an individual. Thinking in such a negative way doesnt help anyone grow, nor does it foster an environment that promotes learning.
If you know something helpful just share it.
You are also most likely wrong anyways, because if it was in a heated enclosure the threads would droop before cooling. Maximizing cooling is the play here, since the colder the outer perimeter of plastic material is the faster it will cool the threads and the more accurate the threads will be.
@@UnholyNomad the way he responded perfectly warrents an even worse way of talking to him. He's not worth the oxygen he uses.
My two cents: Glass granules will grind the rod. Glass is harder than steel. Wear on rod happens. How quickly and to what extent, I have no idea.
Not necessarily. It’s important that he pointed out that the glass is inside the core of the filament, not uniformly mixed into it. There’s a recent cnckitchen video where he shows with cross-section microscope images that the core of the filament remains in the core of the extrusion after printing. So it’s quite possible that the glass mixed core will remain entombed in an abs sheath and not come in direct contact with the lead screw.
Very good point you are right I think.
@@dr_traktor The outside laxer of plastic will grind down fairly fast in a use case like that and thus he glass fibers will lay open. Generally speaking you are right, filament flow in laminar out of the nozzle but the part later on will experience stresses.
I'd also be concerned that too small of a nozzle size would expose more of the glass core due to the stiffer (presumably less viscous) material. That said I could see cored filaments worked as long as a large enough nozzle was used, but I'd expect 1.75mm to 0.4mm to be too much of a drop, unless we knew the core was 0.2mm.
@@MikeKasprzak This won´t happen. It´s laminar flow, it will simply stretch into a longer noddle but the ration between core and outer shell stays the same.
5:55 was a stab to my own heart! That was a perfectly good ziplock bag for dry filament storage 😬
Oh my god, I know!!! I was like "NononoNONOONO!!"
First thing I looked for in the comments... I guess some people are blind. There was absolutely no reason to destroy the bag.
@@atnfn you should cry over the bag to show just how dedicated you are
Honestly, a couple weeks ago I bought my first filament with such a ziplock and I didn’t notice it in time. Directly after I noticed tho and was super upset i stabbed into it… now I check every filament
Honestly until you said that I had no idea, all of mine are non-zip-lock style, my bad! You may see it in the next video all patched up with some duct tape :)
The important part, is now that the threading dial is green, you are saving the planet.
🙂
LOL, I must print everything in Green from now on!
green is like in green screen, where anything is possible>
Holy smokes Mike. You keep knocking those videos out. Love the channel so far. I'm a mechanical guy that's getting into 3D printing. Your content is what I'm looking for. Good luck on getting those 100k subs .
Thank you! You're going to love the flexibility 3D printing gives you to explore ideas that aren't normally possible with more traditional methods.
I'm on a mission and I'll work as many hours as I need to in order to make this a success, or die trying.... I think you're going to really enjoy the next video as well, it's going to include some more testing and some very unique ideas that are hard to produce with anything but 3D printing.
After getting my lathe fixed up with these parts, I decided it was time to treat it to a full clean and a new paint job, so it is now in pieces and I'm just waiting for some nice weather to start painting it. I was also thinking that it needs a new stand and I'm not sure if I should do a solid wood frame with maybe some traditional timber-frame connections or a welded steel frame. I could also cast some pieces from Aluminum and combine wood and metal. What do you think?
Awesome review. Thanks for going through all of the tests as well!
Thanks, It seems like there can be some uses for this material. Quite a few people seem to think this is a poor choice for the nut because it will wear the screw, but this for me was just a stop-gap solution so I'm not too worried about it.
those pieces are made of bronze for a reason: to avoid damaging the thread. which is expensive to replace. never use glass nor CF in contact to a surface that you want to preserve. I would just do a simple bronze casting. Also you already have the machine to make it even from a lump of bronze, which could be a bit hard because of the wear, but not imposible. if you want more precision, make a tap to make it match. if you want even more precision, make a interference-adjustable nut to eliminate backlash. 3d print would work for a short duration, and you want that. you could bore the right screw out of bronze using the temporal 3d print as a temporal replacement. dont destroy the machine using glass, please.
Nice! I'm still in the process of upgrading my printers to do high temp materials. That said, PLA never ceases to impress me, holding its own in your break tests. For your functional part, it was fascinating to see that the glass core filament worked so well, trading higher stiffness for some brittleness.
The problem i've had with PLA is that while it's impressive out of the printer, 2 years later, loaded prints have all failed. And i've had a printer for 7 years now i think. They have showed yellowing, crazing around pressure spots, and exploded into sharp shards, when initially prints are extremely tough. I rather deal with deficiencies of PETG and HIPS because they don't experience any changes with passage of time.
How are you going about upgrading your printer for high temp materials? Which printer are you using and what materials are you aiming for?
Thanks for the informative review. I have a couple old Atlas machines that could use some fit improvements and a couple gears which I plan to make with Tough PLA. I have repaired a couple traveling lawn sprinklers (tractors) with 3D printed Nylon worms and Tough PLA wheel gears that have lasted several years so far.
I also have a southern bend 9A lathe from 1940... and of course a 3d printer....This was a great video as it gave me some ideas on hard to get parts😊
Nice! This small lathe has some nice features, they're well designed and built, and with the right belt to drive the high-speed (I don't have a good one yet) it could be even better. I've just taken mine apart and I'm doing a deep clean first and then, I'm going to re-paint it, but there are some tags on mine so I'm not sure what to do there. Maybe I need to re-make a tag to re-apply after painting? it says RDR10606, it say below that with a separate tag Calibration Maintenance "A". I'll be doing a follow up video with some other 3D printed parts for this lathe, which are you looking for if I may ask?
I used 3d printed nuts(petg) on my prusa mk3 clone z-axis leadscrews, took some work to get the fit right, but they've been working non stop perfectly for more then 3 years. Also no backlash.
Good video. RE: warping on the bed. I switched from PEI/steel to glass build surface because ABS was pulling the PEI sheet up when it shrinks.
I've had this happen with long prints with a large footprint. Had one pull the sheet off the magnet and crash the effector last week...
Huh maybe i should keep using glass as well. I have been thinking of "upgrading" :D I guess i could prepare one glass with one of those black tack stickers to get the benefit of bottom texture when i don't want mirror bottom surfaces. I broke my original borosilicate glass after uhhh 6 years or so and then bought an IKEA FREBRO mirror and made a whole bunch of bed surfaces out of it, i think i managed to make 4. Learned glass cutting that day. I also love how i can just span a piece of plywood or cutting mat into the same clips, though i haven't had to yet, but i'll make a quick swappable toolhead system eventually. I installed Ultimaker bed glass clips, i have them jammed between the nuts and the bed permanently installed in the back of the bed, and below the nuts in the front of the bed. I also don't have bed springs any longer, instead i use nut wheels both above and below the carrier, and during manual bed tramming i jam them into the carrier so the bed won't become untrammed or vibrate.
Be VERY careful, it's easy to break the glass, ABS does not only warp when cooling, but shrinks too, you have to yank out the parts while the bed is still hot
You could likely design the parts better so that you don’t need as high stiffness. The original parts are designed to be made of metal and likely to be easy to manufacture. You might be able to better design it so that lower stiffness filaments can be used and that would then allow you to experiment with lubricating filaments like IGUS makes or PC-PTFE or PETG-PTFE, which contains solid lubricant in the filament and makes the parts self lubricating and have low coefficients or friction.
you can use a paper scanner, to take an exact image of the piece, and put it on your cad software, and calibrate the image dimensions. also. print a "calibration comb" first, instead a whole thread.
I think this demonstrates one of the great features of 3d printing. Testing, iteration and development. Not getting into the whole materials discussion aspect going on, i.e. glass fiber and metal wear. I'd think the next step was a nice quality resin print in lost wax material and have some new bronze nut blanks cast, since it is a bit of an odd shaped part to be accurate to the original.
Qidi carbon fiber and fiberglass filaments cant be beat... i have well over 10 spools of each and every cf anf gf filaments Qidi makes in my shop at all times. I primarily print in Cf, gf, and kevlar filaments. Ive tried every brand, tested every brand... andnQidi filaments as a whole are my absolute favorite. The finishes on Qidi filaments is incredible, the strength and high wear their filaments are unmatched. I was a polymaker fan boy, until i bought Qidi filaments. I still love polymaker filaments, but no where near as much as Qidi's. Excellent video my friend
great to see functional parts!!!
For my Z axis on a large scale 3D printer I used IGUS rods but 3D printed nuts (common ABS), because IGUS has nice rods that are affordable, but their nuts are crazy expensive.
The way I did was setting the nut area to be 100% infill and the diameter to be equal to the inner diameter of the rods (the diameter without the threads), then I took a cut from the rods (that was an offcut of when the rods were cut to length) and made some perpendicular cuts as an X on the rod, and used a file to bevel it, making a tap out of it.
Then I used the tap to make the threads on the plastic material. It was a bit snug on the rods, so I just put the rod on a drill and went back and forth until the friction and heat deformed the plastic to be just right. Then I lubed the rods with lithium spray grease and the nuts lasted for quite some time.
You gave me some inspiration to fix my lathe with 3d printed parts! I have a mini lathe but the thread spinner fell and broke to pieces so I haven't been using it much. But seeing that you did it, i will try my luck. It doesn't have to withstand forces much so it should be fairly easy to build a new thread dial. Very cool, i never through to try and fix it with a 3d printed part until now. I couldn't source another one so I gave up. But I will tey this. I may also try to build a 3d mount to drive it with some stepper motors eventually. If I could move the carriage back and forth maybe I could use a timing magnet to produce threads in synch with a stepper motor. That would be awesome. Not a full CNC machine, but an automated thread would be awesome. Ill have to think about the best way to make it happen now.
Very cool, I was hoping that it would give someone an idea or two. There were quite a few comments from people about how GF filament is a poor choice, for me it's less about the filament as it is about whether it is possible, and I believe that it is. Your project sounds really cool, I'd love to do something similar but I need to learn more about programming and driving steppers.
Love seeing this kind of content. Very interesting stuff.
Thanks! Lots more to come!
the precision is crazy
I've found most warping can be prevented with proper settings. I can't speak for ABS, but I run a lot of PETG and never had warping once I went with no cooling on the first 50 layers (on polyamide/kapton tape bed). Once you've dialed in heat and flow rate, there was never an issue with overhangs either.
I've found 3D prints are a VERY handy way to keep things going until the proper part comes along. Nice job!!
Thanks, that's my thought as well! We're not quite there yet with making truly industrial parts, but I think that's coming soon. I can feel that there is something coming and it's BIG. I think printing gives us a way to invent and innovate and challenge ourselves as well, good for the old brain.
@NeedItMakeIt have you tried a thinner layer of glue stick? Do several swipes on the build plate and then rub it in with 99% Isopropyl. A very fine layer is all that is needed for adhesion, way less mess on the build plate and printed parts.
To refresh the plate just wipe with the isopropyl between prints. I reapply glue stick every 8-12 prints. No issues.
I did that for a while, but I’ve switched to using “suave max hold” hairspray. I’ve tried about 10 different brands but this doesn’t foam, no residue, minimal odorants. And one single wet coat dried on the glass or PEI holds stronger than any stick glue I’ve ever used. Also can be refreshed with the isopropyl method you mentioned.
this even works with a slightly wet towel, no need for iso, because when heating up the bed all the water evaporates. I tried both and found the wet towel easier to use because it does not evaporate so quickly whilst spreading it out on the bed and you can save the iso for actual cleaning. I also use a wet towel to remove the marks after the print was removed, so it doesn't show up on the next one.
@@Noxoreos I have tried "reincorporation" using water, but I found that water will actually cause it to break down chemically. It will turn into something like a gel that stays sticky and tacky. The platter should look as nothing is on it at all and dry. Just fyi. Cheers!
@@KevinDC5 It possibly depends on the gluestick, but cheap gluesticks that contain pva don't break down like that. I didn't experience any. And yes the film is completely invisible, until you remove a part from the bed, which roughs the glue up and then re-doing ther makes it invisible again.
Awesome video. Super interesting!
A few comments:
1) I ~love~ the texture on the glass fiber filament. It hides the layer lines very well and looks fantastic, though I'd like it in a wood brown I think
2) Please give an update on how these parts hold up over time! I have my doubts about a plastic (or even glass) part that is mushed inside a steel machine, but I am hopeful.
3) Great video! Just discovered this channel, and this video is full of good information and presented well.
Thanks! Well the long-term plan is to replace the high-load parts with brass or bronze, I'm not 100% sure which direction to go to make them yet, I was thinking to machine them myself but I also want to try to cast some myself. I may also try machining them. I've taken the lathe apart to do a full cleaning an restoration, but so far I haven't noticed any change in backlash. I might do a follow up to this video testing some different materials in a way that relates to your question though, I have a few ideas of how to do this also.
You’ll get there, your content is good 👍
Thanks, I'm always trying to improve and I'm up for the challenge, so we'll see what happens. If I don't meet the goal, I'll have to do a failure challenge of some kind. If I do, I'll have to do a success challenge. Lots more videos to come! I'm only just getting warmed up!
Awesome Video, lol, Loved the smart comments about squids and why my decision to buy a New 2024 R7 was a Great idea...! I've had my R7 for about 2.5 weeks now and already put 1280 Fantastic miles on it and added a few much needed modifications that make this bike what I've Always wanted in a Fun, commuter bike that gets ridden at Every opportunity. Thank you for making this Awesome video and stroking my ego all at the same time, haha, I'm Very happy regardless, but it definitely made me smile, laugh and nod my head in agreement with you and my decision. 😅🤙🏼🏍️💨
Stefan would be proud of your testing.
That's very kind of you to say! I have plans to go much much further, I am taking a bit of time to get better setup with a test rig that would go everything all at one station. My thought is that we need to test parts which better represent real world parts, so that's the goal, to come up with something so that we can gain info that's directly applicable to real-life.
Hmmm. Glass fibers are abrasive bronze is auto lubricating. So you may se some wear coming very quickly with a glass reinforced nut. And keep in mind plastic will never be as stiff as metal whatever you do, especially ABS. So your nut will act like kinda spring under load anyways. You should compare plastic materials to brass and steel to make up your mind. There's feelings and there's materials physics which should be your reference. Personal testing are feelings. The best filament for the job should be IGUS Iglidur, but I guess it's still too flexible for metal lathe applications. I would use a lost PLA brass casting or a SLS 3d print instead. Currently your lathe quality is far to be as good as it should be.
It is also possible to get PTFE blended filaments as an alternative to the IGUS ones. Spectrum make PC-PTFE and PETG-PTFE and at least the PC-PTFE claims to have coefficients of friction equal to that of the best IGUS filaments.
PVDF is also another option.
@@conorstewart2214 There are several aspects to this subject, and the friction coefficient is one, but not the only one. Igus polymers have both a very low coefficient of friction and excellent resistance to abrasion. When using a filament reinforced with fibers, it's the screw that will have to withstand the abrasion. And since it's the most complicated part to manufacture, softer materials are usually chosen for the nut. However, I still believe that, regardless of the quality of the polymer, it will never match the precision or rigidity of metal, especially not in this application.
@@axelSixtySix the filaments I mentioned have very good abrasion resistance too. Self lubricating and low coefficients of friction tend to go with high abrasion resistance anyway.
PTFE blended filaments are alternatives to IGUS filaments, so IGUS filaments aren't necessarily "The best filament for the job", when there are other filaments with very similar properties that are cheaper and easier to print.
@@eighty-eighth_section PVDF is expensive and can release dangerous fumes.
Niiiiice, this filament is great. There are also different types of glass fillings. There is the "regular" fiber types but there are also spherical balls filling type. Their advantage is that mechanical forces behave better with round shapes, there is no notch effect. But you need to be careful because all those filament are highly abrasive, they will increase wear of your metal parts and probably damage them over time. An other method could be to print a master part and use a low melting point alloy like aluminium or even zinc. If tight tolerances are needed try to create bores, those have a very high tolerance. So for instance you can cast a fairly complex zinc part and then create bores and tap it hight tolerances at home.
Really great video!
I own a 9 inch standard modern utili lath And a millwright by trade I am into 3d printing also and taught myself Fusion 360 cad i must try this. good luck on your channel
It can certainly get you by for a time and even allow you to use your machine to make the final replacement parts. Some parts being 3D printed like the thread dial I think will last a long time, but the nuts... I'm just guessing, but I think they'll have a little more flex than you'd want for highly precise work. My lathe has small parts a larger lathe with larger parts could be a different story. The Standard Modern is a nice machine! I think we're getting very close to being able to 3D print structural parts at home, there is going to be a change in the tech to allow us to use SLS at home, I just saw that the first one is being released for home use in the next few months, it'll be great to be able to print truly structural parts at home without having to worry about layer adhesion etc. Nice work on Self-teaching Fusion, I'm used to it now, but when I first started, it wasn't that easy to wrap my head around.
Very interesting printing experiments here but the glass fill material will work with an abrasive action on your leadscrew. There have been some really useful experiments carried out with Acetal Copolymer plastic bar/rod where a piece of leadscrew is heated with a hot air gun and 2 half round segments of the Acetal plastic are squeezed together until no gap exists between them. The resulting plastic nut can be unscrewed from the thread after it has cooled and solidified. The process was nicknamed the 'Evanut' after the guy who came up with the idea. It has been shared many times on home model engineering sites. I have tried it with very successful outcomes. It is easily achievable to get near zero backlash with the 'Evanut' method.
If you are going down the route of making a new nut from yellow metal then bronze or gunmetal are far superior to plain brass.
Nice. I’ve been enjoying printing with that filament. 99.5% shrinkage; almost nothing. I’ve also been using the Phaetus aeworthy ABS-GF for a more general purpose 10% fiberglass filament; they have an equivalent to the GF25 now too.
I just find all these options print much better than CF-based composites.
Also with your load tests, you might want to investigate how different infill patterns and print angles affect the stiffness and robustness of the final part. With composites you get extra strength in the direction of the extrusion, which implies there is some potential for eeking out even more benefits.
+1 to all the comments mentioning hardness differences between the plastic nut and the leadscrew. Assuming that the leadscrew is regular high carbon steel, and possibly undhardened at that, the steel is significantly softer than the glassfibers. Once the "Shell" of the coextruded abs is worn through, that Glassfiber will grind your leadscrew within a few hours of usage... (Try rubbing a cutoff wheel at the leadscrew forces against the old leadscrew and see the kind of wear that produces).
In addition, i want to mention that even though this is supposedly coextruded plastic, it will still have less strenght (as in stress at failure) than just the base plastic itself. The only polymer type that gains structural stiffness by adding in cf or gf are the tougher, ductile ones. PCTG, Nylon and Tough PC... ABS and PLA are plenty stiff by themselves. Additional Stiffness will only amplify the negative attributes of high stiffness (awful shock absorption, layer adhesion, etc..).
Printed ABS is in my experience also one of the fastest wearing plastics right after pla... petg and pctg are way more forgiving on that front. Pure nylon is a also quite waer resistant, though obviously not an option for this project. The best material here would probably be a high strenght polycarbonate filament without fibre reinforcement. Should be printable on that QIDI printer.
The main advantage of fiber filled filaments is print quality, as you have documented in this video.
Another advantage of fiber filled filament is less warping as it breaks up long polymer chains. One disadvantage I have found is that the layer adhesion is better in pure PC vs Carbon Fiber PC.
Igus make self lubricating filament, which would be interesting to see if it was suitable for the replacement parts.
You should try polymide pa6cf filament from polymaker, it can endure temperatures over 190 and according to polymaker up to 215 degrees C, it's very stiff and has insane impact resistance. Its only negative aspect is the price, yet still cheaper than Peek.
How does the q1 pro compare to your x1c? I currently have an x1C waiting on my q1 pro to ship!
I would've thought bronze filament would have better lubricating properties while staying a bit durable for plastic.
Glass fibers, while stiff, are essentially abrasives, and more prized for their strength and chemical resistance; than as a metal alternative. The wall thickness, when forced into close proximity with the glass fibers and plastic; is what gives their mechanical resilliance.
Similarly, in injection molding the "fuzz" or roughened surface texture comes from a lack of pressure to force the glass fibers into the part surface against the polished mold surface.
So the molten resin is essentially allowing the glass fibers to "float", and not forced into close proximity with the remaining plastic surface.
Flame polishing may help the plastic to "wick" into the texture that is otherwise essentially sand paper.
Like your content, and this is not intended as a criticism; but I would love if you went into some technical specs, or some of your thought process when making these parts with the materials; instead of simply showing them printing or in use.
Amazing work!! Can you make a video explaining how to print threads. The logic and the howto.
I think that could be arranged.
Interesting video. Subscribed.
Have you tried Copperfill PLA or Stainless steel filled PLA (can also get PETG versions). Parts I made using these seem very strong. I'd like to hear your thoughts or for you to repeat your tests using them.
I haven't tried any of the metal filled, though I like the idea of adding real metals, I wonder if the copper would get a patina? I can certainly try some out, I'll have to come up with some standardized testing so I can run them each through the ringer and get some stats. One thing about the metal filled that I like is the weight, there is something about a heavy print that really feels good to me.
@@NeedItMakeIt You can patina the copper filled, yes. I think vinegar and salt application. I have tried bronze fill, copper filled and stainless steel filled. They print very accurately and high detail and are very dense and satisfying. Sadly a bit pricey.
@@TheAndyroo770 I can see there being some good use-cases for parts outdoors. It might be worth looking into a bit more. I bet they look amazing too. I find that PETG-CF is the best looking filament, but I also want to test against some others. I also wonder if bronze PLA would have good lubricity properties?
Interesting content. Cool stuff.
I've done this. it works fine even with pla but the screw that hold it will mess up the hole in little time. The best ive done is heat up the screw and use a delrin rod. You can pre drill the rod then just screw it on the hot screw. run it through with a drill or impact wrench. Cut off the extra material and voila you have a 0 tolerance nut that slice very well.
I'll probably get it made from brass, but this was a pretty good test, because I'm using the lathe and it's so much nicer, it was just terrible before. I think Delrin would be better than what I did, but it's all an experiment, can you do this if you were in a bind, yeah, it works, and could be a good temporary solution for people that have a broken part.
@@NeedItMakeIt To be honest brass is not your best choice of yellow metal for a transit nut on acme threads. Bronze or gunmetal is far preferable to plain brass.
hows the qidi q1 pro been so far? would you still recommend it?
nice tests
I've used the XY compensation in the slicer for threads too till you get the fit you are looking for. Could easily give clearance in Fusion as well which would be the way to go if you are sending out for a machining process. You will have to have different Gcode than your slicer produces. Fusion will do that. Two different animals. I would give them the screw to match the nut to. Chances are that the ACME thread that the screw was made from is not a precision ground screw like OEM would of done. A DRO would solve that inaccuracy at least as far as travel goes compared to your dial on the lathe. It may be acceptable depending on what you are doing.
Once you start putting more load on your tool you will find that any plastic is not that good at all. Repeatability will be hard to get but use your print to get by to make a metal one. I would single point that thread. Grinding a HS tool is not that hard to do. THere are good loads put on the tool making ACME threads especially. You could also make a tap out of the old unworn part of the screws to do a final cleanup.
Your thread dial needs to be held tight so it won't swing any while cutting threads.
You may find that that crappy fix of that screw won't work with a tight tolerance bronze nut or at least it will have a tight spot every turn.
Would nylon glass be a better option? The nylon is a better bearing material plus has stronger layer adhesion. Polymaker pa6gf is pretty stiff stuff and offer a more permanent install.
It would be worth a look, higher temp resistance as well, I believe that it would be more elastic, but correct me if you disagree. I can certainly put a test together, nylon-gf is a more standard material for industrial parts that needs to last and withstand high temps as well.
Depends on the glass fill ... the 25 percent stuff is very rigid. The 10 percent gf fill is fairly flexible. Happy to send you profiles for the q1 pro for a few gf nylon options i tuned.
@@zomie1 Thanks Zomie1. I'm also a little skeptical about the interior being GF and the shell being ABS on this product, with the nozzle being only a 0.4 and a fairly long trip to get to the nozzle through volcano..ish style nozzle, it seems to me that it would be hard to control the position of the glass. I suppose if the nozzle was a 1.75mm, the likelihood would be higher. Sure, that'd be great, I'll probably be about 1 month before I can get to the GF testing because I have so many other videos already in the works to finish up, but I'd love to have your fine-tuned stetting to begin with. Needitmakeit@gmail.com when you have a moment, and thanks!
good video as always, don't forget to dry your filament
Thank you, and speaking of dryers, the new dryers seem to be closed system, which is a bit confusing, wouldn't it make sense to evacuate the hot humid air at least every so often? I can see their design being better to reduce heat loss, but at the expense of being able to adequately dry some filaments. Can I get your thoughts on this?
@@NeedItMakeIt good question, I never use CF or GF filaments, I hate the idea of breathing this tiny fragments. But for my nylon filament, I just put them in a cheap oven and I open the doors for a few seconds every 30 - 45 min. On my polymaker copa, it works well.
@@chatroux399 I'll give it a go, I've been wanting to try it for a while, I was just not wanting to deal with the moisture issues that come with it. If it's easy enough, I'll try it out.
So, i have some of this filament in my x-max3 now making a 2kg dry box. But i made mistake. I have gotten into the habit of drying all of my new filament before first use. I do 8hr at 90°c. Well, be warned, the spools quidi uses do not like heat. I came home to find the spool severely warped. It was beyond use. I had to re-spool the whole roll. Thats when i ran into the stiffness problem. Now i have 5 small rolls instead of a single 1kg roll. Also the filament was stuck to itself in many places. Im not sure if it was caused by the dehydrator or if it came from qidi that way. If i hadn't already spent last night re-spooling it, i would have tried to contact them to see what they suggest.
This sounds like a nightmare! I haven't had the problem with anything recently, but I have had it with a spool of PETG. It bonded to itself when I was drying it at 60C. The issue was that the heater was pumping out hotter air at the bottom and it caused it to fuse. A way to circulate the hot air in a dryer will prevent this, or a way to rotate the spool.
I've inquired about something similar before. They gave me feedback that they have two types of spools. The spools used for filaments such as PLA and ABS can theoretically withstand up to 80°C, but in fact if we use such high temperatures it may cause the filaments to become soft. The other type of spools used for filaments like carbon fiber can theoretically withstand up to 125°C. I think they are also considering the limited temperature that the filaments themselves can withstand, so the spools of some of them can't withstand too high a temperature.
I've heard that glass fiber filled filaments are extremely abrasive. Not sure how that will affect the lead screws.
That was my concern as well. As soon as he wears through the outer shell of the fillament it could damage the lead screw.
If it was a regular mix like most CF filaments definitely a problem, but it being glass-core filament (possibly a glass+plastic core surrounded by a pure plastic), it's possible the outer plastic might protect it (until it wears). That said, I wasn't paying attention to the nozzle size, so depending on the thickness of the glass core, the "protective plastic" might have yielded to the stiffer glass core as it passed through the nozzle. Tangentially, I would expect a CHT nozzle to defeat the purpose of a filled-core filament.
The brass didn't seem to do that lead screw any favors either, I wonder how much time that amount of wear took.
@@MichaelTavel that all depends on how much it was used, the brass nut and the original lead screw were likely heavily used. Having plastic with very hard and sharp fibres in it will likely make it wear the lead screw a lot faster.
@@MichaelTavel Good question. You're also supposed to oil it so maybe they forgot to oil the screw.
Just as a sidenote, I got PLA warping in my bambu X1 on the old, black textured plate. When I switched to the new, gold textured plate, all my adhesion issues disapeared. I would highly reccomend getting a gold plate and ditching the smooth plate+glue combo the machine came with stock
That's a great tip, thanks, In my case, the warpage I have is when pulling up on the buildplate and away from the magnet, the bond is quite good to the smooth plate... with glue like you ay of course. I did an entire video on the subject because most people have no idea their parts are warping because even though the bond is good to the buildplate, it still can pull up and away from the magnet. I print mainly structural parts, they're more prone to warpage due to heavy walls and infill as well. It may not be something everyone experiences.
@@NeedItMakeIt well in that case, all I can reccomend is a hotter chamber, or clamping down your buildplate
@@jackgamer6307 A thicker plate could help as well, warmer chamber does help, but it is an issue with PLA to cool the overhangs well enough, Personally I don't print enough with PLA to warrant looking into it too deep, but it's just something that people should be aware of if they print heavy parts.
@@NeedItMakeIt Never had PLA warp so bad to pull my plate up. Once I switched to the gold plate, I started printing at 50° bed with open top and door (X1C).
Also, I don't think a thicker bed is an option for most printers, and if it is, it's only avalible trough 3rd parties
@@jackgamer6307 It is completely dependent on your part size, shape and print settings, to some extent the filament/brant etc. If you print a long thin part that's nearly solid it will want to do this. Unless you put your stuff on a surface plate it's hard to notice the warp though, this is something I only really picked up on about 6 months ago while I was trying to make more accurate parts. Textured or no texture won't do much to reduce the internal stresses due to the cooling of the plastic. I agree that the textured surface of the plate does a better job of keeping the part stuck to the buildplate though, that's something that I've had pretty good success with too. Sometimes I prefer the smooth surface depending on what I'm printing though.
remember to use a hardened steel at least (preferably even harder) nozzle when printing with fiberglass. usual brass nozzle will wear over single-digit prints
Good point. I think most newer printers are coming with a bi-metal nozzle, thanks for mentioning that, and technically the extruder should have hardened gears as well, it's quite a hard thing to measure unless you have two identical printers printing the same parts over a long period of time with different materials, so how much wear there is exactly on extruder gears, I'm only going from what I've read. I'd imagine it would be a good idea though.
Might be a silly question, think the glass fiber ABS would cause more or less wear on the lead screw than the brass?
Normally I would think less but after seeing what the brass did too it I’m questioning my initial reaction.
The brass nut was likely used for a long time, he doesn’t say but if he is fixing an old lathe it could have been heavily used in the past. Sharp and hard glass fibres will likely wear it out much faster.
Great video i was wondering if you could try out the 5015 fan mod on the ender 3 v3 ke
If your threads are to tight would it be possible to run the correct sized tap through the piece to bring the threads to specs?
I think that's a great idea, it's not something that occurred to me, but it would be better. For me the threads are both non-standard sizes, and the cross-slide is also a LH thread to make things worse, but it could be done that way with a standard ACME thread for sure, that's a solid idea!
I’ve used ABS-GF with excellent results. Rough surface finish but the GF-core of yours probably addresses that. A friend said his E3D Obxidian nozzle was destroyed by printing GF filament, but I’ve had no issue with mine. Another excellent option for high-load/high-wear parts is PA6-CF/GF. The specs on Polymaker’s PA6-CF are out of this world, and it prints beautifully as well. MUCH higher tensile strength than ABS, especially if annealed in a water bath (80C for 4-6 hours).
I love your testing rigs. I use a hi-lift jack and similar digital scale for tensile testing. I’ve printed a bunch of test parts in PA6-CF to see how my numbers compare with Polymaker’s, but I haven’t done the measurements yet.
Also: Vision Miner “nano polymer” bed adhesive works wonderfully for ABS and doesn’t build up like glue stick does. I still use glue stick for PETG, however.
Well, I must say that warpage isn't as far of a problem to me, than what is shown here.
I tested multiple meterials in very a similar way on a "00" rated surface plate and I managed to get all my test samples completely flat.
I'm using a P1P in an enclosed box made from fabric and aluminium foil.
The Materials i tested were, ABS, PLA, PLA+, PLA-Silk, PLA-CF5, PLA-CF15, PLA-CF20, PETG, PETG-CF15, PETG-CF20, Qidi ABS-GF25, PC, PA-6, PA-12 and PA6-CF15, PA12-CF20.
I was able to tune all of their settings to avoid warping completely. Anything with a highter percentage of CF or GF was easier to print without warping. Oftentimes it very much depends on the part itself and the more material is layed down, the harder it is to counteract warping. Also parts may be stronger under certain conditions, when they are actually not printed solid.
Print speed, cooling and temperature are the most important factors to counteract warping. If you feel like you need a stronger bed adhesive, then the settings are probably not good enough, because that means you have a lot of internal stress in the print, which also makes it weaker. Parts printed solid usually also have more internal stress.
I think that's the main reason why most people don't experience too much warpage, when we begin to print towards the solid range, the stresses can begin to overcome either the bond with the buildplate, the attraction between the plate and the magnet, or they'll warp during the cooldown. As people want to print larger parts and more solid parts, it will become more important to tune like you've done for the best results. Printing PLA in an enclosure is possible of course, but when it comes to overhangs on parts like I've made here, it becomes way too hard to achieve good results with PLA. I have run some tests after the video, however those tests were all complete failures. Slowing the print speed helps quite a bit, but does not solve the problem. Long-term I don't think that FDM is the solution, I believe that we're going to see a shift to more industrial style printers at home, small scale. Printing solid parts is a good temporary solution though.
Great iterations. Let's see how long will the glass fiber will hold strong and when will it start to be loose. Let us know.
What's the calibration you did on the filament?
i wonder how does a brass nut erode a hardened steel lead screw. I would assume the brass would give out way faster and since its a natural lubercant
Great stuff! The brass T-nut is only threaded as long as brass needs to be. Couldn't you make the threads longer for more stability and durability? A direct replacement is always nice though! Just a thought if you had the room without having to space the chuck out 1/2" or something, heh heh.
Try printing out of PC or a super hard TPU instead, 70 or 80D is super abrasion resistant, can be very smooth, and very very strong. Your GF filler is super abrasive and high friction. 80D filament is (almost) unobtainium but if you can get it it's the same hardness as a construction hard hat.
Ive got 70d or so, and just slightly harder would be heaven!
There is another youtube channel that tested (my tech fun), TPU was by far the best. PC was not that great from their example at least. Then add whatever grease is compatible with it.
@NeedItMakeIt I noticed at 7:34 you tried pulling the print right off the heated bed. One trick I use, is I have a piece of steel (stainless steel work bench) that I take the plate off and place the build plate on it. I've found this rapidly cools the build plate and I quickly get the satisfying pop and crackle of the build realeasing from the plate.
I’m confused as to why you tried to print threads especially out of an abrasive. Was it not feasible to just purchase a lead screw nut and create a 3d printed housing for it to fit it to your lathe?
I grew up about 16 miles from where that was made in South Bend, Indiana. I think Grizzly bought them out at some point
Love it, that's really cool. I am attached to this little lathe and I want to bring it back to life completely.
Awesome! Please include the table/graph after all your tests :)
You earned a sub. :)
That's awesome! now I'm strangely craving a Mr. Sub...
@@NeedItMakeIt Never had one, its getting tougher around here to find a good sub. I'm from the State you can order a Grinder and a cabinet and people know exactly what you mean. I've been to places and order a coffee milk and had them call me a liar and swear it doesn't exist. :)
@@noanyobiseniss7462 It sounds pretty good to me! To me a grinder would be a bench grinder, but I know what you mean.
I used PLA for the thread drive gears and haven't had any problems with them at all.
Couldn't you cast the parts out of something like say ZAMAK / Pewter using a good portion of the old Lead Screw ( slathered in a Release Agent ) as an insert?
That's not a bad idea at all, I think they normally do that with a cast iron casing to keep the overall shape and contain the flow of the metal. I think it's possible. Now that I have the model and it works really well, I want to try to have it CNC machined, I have no idea if my model will translate perfectly to fit the screws, but I'd like to try. I'd also like to try to machine my own from Brass.... and I can also try casting one. I have some casting equipment, though it would probably be Brass for now. Great idea, I hadn't thought of that.
Cool! I wonder how abrasive the glass is on the steel? I'd love to see a 3d printed lathe, though of course it's not a great idea it could be fun.
I was thinking about putting together a test for this. I think for a lathe with minimal use like mine, it isn't a big problem, for something that's being used non-stop, that may be a different story. I'm in the process of getting some parts CNC machined from Brass and Bronze and I'll have a follow up to the video as well. I am also cleaning and then re-paining the lathe, so it should be a pretty nice unit if everything comes together.
Great video. As a suggestion, instead of asking people to subscribe to make the best channel ever, ask them what content they want to see that would make them subscribe. Your goal is not their goal. People will subscribe if you provide them the content they are looking for and they look forward to seeing the next one. Good luck!
Thanks, suggestion noted. Maybe it was bit bold; that's how it came out and I decided to keep it. The way I am in general is quite blunt and I can be too honest sometimes.
I want to bring the best 3D printing content to everyone that I possibly can of course, that's key. I believe that it's important to state my goals, if people know the goal they know that I'm going to work as hard as I can to find a way to be successful, and to do that, I need to make good and eventually great content.
I appreciate your candidness and I will certainly think about it, I can't promise that I will change the way that I am or the way I would word things because I believe that I should be myself and not an actor.
5:55 The bag is resealable please dont cut it open in the middle I did the same with my QIDI filament too before i realized it too late
I also shed a tear for this. 🤣
Could you put graphite in the filament to make it self lubricating
I'm not sure, that's very interesting, I believe that there is a bronze filled filament available already, that could be a good alternative. I've never tried metal filled, but it'd be interesting at least.
10=/=12 Noted! Had a similar issue when trying to print a replacement part for a ski pole for someone. Looked like Acme thread, turned out to be metric trapezoidal.
Wow, those results look awesome overall. Having the slightly rough surface could be a good thing if you print with tight tolerances and wear the part in with the lead screw. Could compact the surface and make it even more wear resistant. Just a theory. I imagine some sticky grease would help prevent any wear and take up even more slack.
The flatness of the glass fiber print is really impressive! The bending and breaking test is super interesting too. Stiff and brittle should be good for threads.
LOL, brutal it too so many attempts to get the thread to work, why doesn't Fusion show many many TPI are on the ACME thread like it does for others? Now that I have the model and I have the lathe working with little backlash, I'm going to take that model and see if I can have one CNC machined, I have no idea if it will fit like the plastic version, but I'd like to give it a go. I know the plastic isn't the best solution in the end, but the dial I think works well, it won't take too much abuse and just needs some paint. I need to learn to thread on the lathe so that I can make some replacement parts too. I thought the stiffness was good, the flatness was good, it was printed on the Q1 in a heated chamber, and so was the ABS. I guess I should have tried PC as well, maybe I'll do a quick sample now to see how it compares off camera just for fun. It's pretty stiff as well. Overall it was a good experiment and I think 3D printing can be used more than we think. Printing 100% solid helps quite a bit as well, I've never had results like that with PETG before, normally it shatters into 100 pieces all over the shop.
@@NeedItMakeIt you forgot nylon completely
@@binyominmartin3308 Sadly, there are hundreds of filament options, if there is interest, I can always do a follow up video with more suitable materials. I unfortunately don't have the resources... yet, to purchase and keep each on hand, but I hope to get to that point and really pull out all of the stops to do more complete testing. It sounds like there is some interest in a follow up video so I'll start to think about what it should look like and what tests I should perform. I think Igus is a good candidate, also Nylon, POM is apparently toxic to print, so I'll leave that one alone.
@NeedItMakeIt pom? I was
thinking cf nylon or gf nylon since nylon is the most common engineering grade material
@@binyominmartin3308 POM is Acetal or Delrin, it's also very common but it'd be machined rather than printed. Nylon seems to me that it would be too flexible, unless you add the GF and people seem to be against the glass because they think it will wear down the screw too fast. Maybe that's the case based on lots of use and no form of lubrication. In any case, Nylon is a good one to try out and Igus because it is engineered for these kinds of applications. Nylon being prone to moisture absorption is something that has prevented me from wanting to use it.
If you think about, the glass fibres being in the centre of the filament is meaningless when you're taking a 1.75mm diameter filament and extruding it through a 0.4mm nozzle. So you're still going to end up with reduced layer adhesion as a result of the glass 'contamination'. Good to see the project worked oat for you though!
I think the GF isn't really giving you what you expect, it does give you stiffness and it seems to be pretty stable, but it's not tough like you'd see with any GF products. Those long strands are missing in the same way they're missing in a CF filament.
How many of these can you print for the price of the metal version. I would say as soon as it starts getting slop or too much play. Print another
this is a great example of hobbyist 3d printing being used in real world applications.
IGUS make filament for exactly this… drive nuts and bearings. Low friction plastics which don’t wear out.
That's a good option to test out. I'm wondering how it would do on a screw which occasionally has to deal with metal dust and particles?
What slicer are you using? I use Simplify 3D, with Simplify 3D you can change the inside and outside diameter of holes to adjust the fit.
Go with clean Nylon (ABS not wear resistant, lower temperature of melt, and glass fiber is abrasive). Or you can go with Nylon GF. I love ABS but it not for current case.
Agree
Nylon is good, TPU is even better.
Tell us more about your test prints and the resulting configuration settings. One involved flow, I would need to refer back to your video.
Most prints were from PETG, that's just because I didn't want to waste the GF filament. They were 6 walls and 35% Cubic set to 0.08mm LH, 0.4mm nozzle. I had calibrated the filament fairly precisely so I was pretty confident that the flow and PA would be good and dimensionally they came out nicely. The issue of course was that I thought the 7/16" ACME was standard 10 TPI, but it's actually 12 and it was messing with my head. Had I used the correct TPI from the start I'd only have needed one test print from PETG and then into the GF filament.
With the GF, within Orca the settings for that filament were already there, the Flow for it was pretty low to my surprise, maybe that's because of the glass. It was set to .91, the PA was pretty close already as well. The flow had to be increased, I have it at 0.918 at the moment and that seems to give a very precise part. After calibration I was using 0.915, but I wanted to have it just a little larger so I increased it just a tad bit more, and it's been working really well... that is until I started taking the lathe apart to clean everything and do a new paint job. I'll have another video coming about making some replacement parts for the lathe as well. I'm curious if my designs can translate into a CNC machined part or if I needed to use a resin printer to try and achieve even more accurate prints before trying to have a part made.
There are filaments out there that you can print and then send out to be sintered and returned as a full metal part. I forget the name of the filament but when I priced it for 316 stainless it was about 150 for the roll which included the sintering and shipping back to you. Its a great deal and easy way to make real metal parts on your home 3d printers such as a Bambu Lab.... check out material miner
I've heard of the filament, but didn't realize that it worked in that way, that's an interesting process. I am in the process of having some of the parts CNC machined to see if what I printed can translate well to a CNC machined part and other parts I am having 3D printed in metal just to see how it looks and performs. I try to do everything myself, but I'm willing to try something new because when you can make intricate parts from metal, it opens up a lot of options. I think if someone is inventive, they can use 3D printing at home to come up with the idea, fine tune it and then send it away to have it made for a part that can last a lifetime and depending on what it is it could maybe even become an heirloom or part of one anyway. I guess I need to wait and see, I'm curious about the process, the pricing seems far better than what I was expecting, that last time I tried this process was 3 years ago and I suppose the tech has improved quite a bit since then. With the process you're suggesting you'd need to know the exact shrinkage and warpage of the part, or how is this done accurately do you know?
What if you put epoxy in the original nut and put a little bit of grease or oil on the rod and then put it in while it sets .?idk. Sick to see what's possible with 3d printing
I think that's another good option, it might even work better, maybe even cooking spray. I guess it's really a matter of finding a way to position it around the screw in the right location for the pour, but it's possible and could make for a good follow up video. I like your idea a lot!
I think what you want is a glass fiber nylon part with a plain nylon (or pom, if your printer can handle it) threaded insert. glass fiber nylon is much tougher than glass fiber abs, plain nylon or pom inserts will be much slippier and not wear down the lead screw so much
Ah, that's a good idea, like how they'd use a cast iron body and melt in a different lower melting and softer material around the screw for a good fit.
Consider threading away from the chuck with an inverted tool, assuming it's not an older screw on style chuck. This method changed my life,,,,,way less stressful
Unfortunately it is a screw style chuck on this lathe. After I finish doing a full restoration, I may consider selling it and buying a little bit larger lathe with a different mount for the chucks, I think that would be really handy. I also want to work on converting a lathe to a CNC lathe myself, that's a big job with my current knowledge of how to control steppers.
I would rather use the PETG ones as it has much lower friction resistance than ABS, less prone to wear. And that glass reinforcement filling will wear down the threaded rod over time. If strength is a concern, use natural or white filaments as they tend to be stronger than the ones with (lots of) fancy pigments in them. (I know the white is pigmented too, but usually they are the strongest of the colored filaments.)
Nice tips, it was recommended to use IGUS filament as well, what are your thoughts on that? It is designed to be a bushing, though I'd need to run some tests to see how it really compares over time. I'm a fan of PETG, but it does flex quite a bit, to compensate I'd make the nut larger because there is quite a bit of room that's not being used under there.
FWIW, you can get a 7/16-10 Left hand acme tap for not THAT much money, especially if you're using brass.
I liked it. Going to subscribe... Good luck on your goal to 2025
Yep PLA is a strong material, you don't actually need glass fiber enforcement. The only drawback of PLA is temperature resistance.
It likes to creep under load as well. Definitely strong though!
Fantastic video..Ive finally got all the bugs worked out on my Qidi Tech Q1 Pro and cant wait to try more crazy filaments in it. How does it do with PC. I havent tried pc yet at all ever and want to run in the Q1 pro.
LOL, I press print and then it prints whatever I'm using wonderfully, this printer is on part with the X1C on print quality, sometimes it looks better, but at that level it's hard to tell. I'm using Orca so maybe that's part of it, it has had no issues with PC at all, it seem to eat PC for breakfast, I think the only one issue that I've had is when switching from a harder filament to TPU, when using their on-screen load sequence the TPU doesn't like to push the harder filaments through so well, so you have to 'work it' . What I do instead is pre-heat extruder 50 and then I retract 50, that gets most of it out and I'm G2G.
Now you just need one of those fancy SLS metal printers for the last forever final product and looks like you already have all the tools to adjust a metal part.
would be interesting in the metal impregnated filament would do for making parts such as this.
The glass fiber will eat away at your lead screw, and a real machinist is used to working with backlash. Only CNC type machines have ball bearing lead screws which have "0" backlash.
That's a valid point. This was as I mentioned at the beginning of the video a test to see if it was possible as a short-term solution. The eventual goal is to have this made in Brass or Bronze. I have the part already on-order and I have a special LH tap which does match this thread size and pitch so I should be able to tap it and get a pretty good fit for the final solution. I'm not a real machinist, you're right about that. I am a real Woodworker, we don't deal with Back-lash so much, it's best to minimize it, because as you saw from the samples I displayed the wear was so severe that I'd have to turn the handle just about all of the way around to account for it. Pretty soon, you'll see the final solution along with quite a few others issues solved, including the lathe itself being a mess, it is current in pieces and I am cleaning each and every part and taping and re-painting each part as well, so it should be not only a nice looking machine, but a functional one too, that is if it all works out they way its supposed to. Thanks for taking the time to share your thoughts, I appreciate it!
You should definitely get safety glasses, especially when breaking material this close to your face on eye level.
But is the ABS-CF nut really better than the PETG one at all? Because better material properties in a lab test don't always translate into a better behaved part.
If there is enough interest, I can do a follow up video, I was thinking to take a new lead screw and mount several different materials to it with loads and see what happens over days and weeks of use. It's been suggested quite a few times to use Igus, so I'd like to try that one. Nylon would be another.
Roughly what speed are you going on those prints?
So, why not just use the GF25 as an insert with a machined steel holder (or reamed out and slotted original part).. ?
19:29 pretty much the same with metal. stiff and hard metal normally snaps where soft and flexible metal just bends but holds together
Yeah, reminds me a lot of some cast iron pieces, I would have loved to do a test and add in some different metals, but I know they'd just blow the plastics away, most of them anyway.
Tough resin on an SLA printer would be better but I would cast the part in brass using a lost resin casting method for the best results
I'm open to this for sure, I have some casting equipment, but I've only case about 6 parts to-date, with the exception of casting aluminum bars in a graphite mold. I'd love to try it at least and see how it turns out. I'd probably need to do it with vacuum casting, would you agree?
@@NeedItMakeIt yes, to my knowledge there’s no other way to get the details of the threads to come out. If I were on a budget though I would just outsource it to pcbway or something
@@esurfrider7687 I was thinking that I could get it resin printed slightly oversized 1%+/-, then I can do a burn-out process investment casting and then cast it at home from brass. I don't have a vacuum casting method, and I'm not sure that it's going to capture all of the detail needed. PCBWay seems like a better option doesn't it
@@NeedItMakeIta vacuum is essential when pouring investment to capture all the details of the 3D printed part, any bubbles in undercuts and overhangs will result in extra metal ruining the threads. And also when pouring metal without a vacuum could result in voids or less detail as the metal cools before settling into the mold. Also you mentioned an important point about size, just like with the 3D printing there may also be a slight thermal contraction that will alter the dimensions of the part, thats just something you would have to experiment like with 3D printing.
@@esurfrider7687 I agree, I've only done a few castings using plaster and I think you're right, it need the vacuum, when I sand cast, these aren't problems but you can't get the detail you need, it'll be quite a rough surface. It could be good to sand cast to approximate shape and then final machine on the lathe with special tooling. I'll try to see if it can be made from PCBway or another, my best guess is that the originals were tapped and not single point threaded. The tooling is very small to get in there to begin with.
You should also try this with IGUS's I-glide plastic.