Front Driver Axle Box - Pennsylvania A3 Switcher, Part 38
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- čas přidán 24. 05. 2024
- This episode on Blondihacks, I’m makin' an axle box! Exclusive videos, drawings, models & plans available on Patreon!
/ quinndunki
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With the wheels being pressed on to the axle, the bottom of the axle box has to be open so the loco could be lowered down on to the wheel set...
Oh of course- you are correct, that is the reason. 🤦♀️
1:00 I heard a cat meow in the distance so I meowed back.
Then I realised it wasn't our cat wandering around the house chatting 😂
Man, I love saturdays... and if you're thinking youtube doesn't like slow projects, I think plenty of us are here for that slow build. This is part 38, and you've already admitted to putting in well over, I think you said, a couple thousand hours. The sense of pride you must have in what you've built so far must be amazing, and through watching you show clips of it, we get to share in a tiny bit of that. And as far as the interest for each piece or video, you make every video interesting and entertaining. This piece is boxlike but, as you've said, considerably complex, which makes it considerably interesting. Your channel is amazing and easily one of the top machining channels with no contest. It's also my personal favorite, at the moment, and I'm sure many would agree. Don't ever doubt how much you bring to the table Quinn ❤❤
I don't really know why I find these videos so interesting (I don't even own any proper machining infrastructure... yet), but sure as shooting I'm here within hours of every video and watch all the way through.
I never used CZcams at all until about 2018 I think, or maybe earlier, and just did random binges on different channel themes. I landed on machining at some point and I think it's been like 5 years or so and I never get tired of it. It's so satisfying to watch and it makes me seriously consider picking it up as a hobby if I ever get enough money for the initial investment and a place to put it all.
I second that, Josh!
Quinn's so detail oriented, a slower pace fits perfectly with that style of delivery and is a large part of why I'm here.
Of course more incremental changes mean more videos which is just a happy side benefit.
Slow build projects. Need I mention project binky on the bad obsession motorsports channel 😹😹
I just about spit out my drink when you talked about the "Well actually's" and I am so guilty of being in that club. lol!
When you cut open the block, it really showed how nice that surface finish from the boring bar was.
Thirty minutes just dialing in the part for the lathe work...this is just one of the reasons why I enjoy watching you work...I would not had the patience to do that :)
The axle boxes are open on the bottom because (at least on full size locomotives) nobody wants to deal with quartering and pressing on drive wheels with the axle in situ - they just load the axle/driver assembly in as a unit from underneath and bolt the bearing caps on. The bearing cap isn't really doing any bearing stuff, it's just there to hold on to the oil soaked rag that keeps the axle lubricated - gravity is doing all the 'holding it together' work. Similarly, the lower caps on the frame underneath the axle box aren't there to do anything but hold the frame together longitudinally despite having the whacking great big hole in it from the axle box.
Gonna be a long ride, but I'm here for it. Sprocket had a lot to add this episode. 🐱
Sprocket! 😻
Today I made my first chips. I am a woodworker and I bought a mitre gauge that didn’t fit my table saw and I had to modify the aluminum slide of my old mitre gauge to replace the slide of the new one. I drilled and tapped aluminum and used my drill press kind of like a vertical lathe to modify the geometry of a screw head.
Thanks Quinn, my years long study of your videos helped me to even attempt it. When I chamfered the screw head with a file I was like „that separates us from the animals“ and of course a big „Yahtzee“ after parting it off.
That sounds like a truly sublime experience, honestly. I love it when things come together because you did your homework. 💪
@@autochton thank you. I was totally flying by the seats of my pants there, but I am truly happy with the outcome.
In the UK the axleboxes are normally separate and run in horn guides in the frames. Usually the bit that closes the gap in the frames is called the horn ties
Yes but model
@@dsgs2776 We make our models the same way. It's a trade-off - with separate axleboxes like we have are difficult to get the holes in the right place, long axlebox like this one is a complicated part to make. Although I guess the UK designs also have these sometimes but call them cannon axleboxes and they are only used for radials, which adds more complexity!
I am always impressed with the level of descriptions and educational explanations. I learn a ton every time I watch!
Sprocket’s meow sounds just like one of our cats. Its confused me several times watching your videos 😂
Quinn makin Faberge
i watch it any day
The bars under the axle boxes are called "Binders". They help keep the frame rigid aswell as keep the journal from falling out.
I'm very much enjoying the Sprocket cameos! Fascinating stuff, Quinn. I believe the human eye can detect just a few millionths of an inch difference in surface quality, which is far below any possible detectable error.
I know it will be some time yet, but it is going to be fun to see this thing under steam pulling a load at the track. Anyway back to the present. Very nice work Quinn.
I love those tiny scale giant chunks of brass. Another beautiful piece!
Thanks, and Meow back to Sprocket.
Watching yesteryear's "Fixing A Power Feed and...": Sometimes I wait years for something to sink in, and Quinn's breakdown of the multivibrator sorta PWM-ish circuit in the powerfeed made such sense all of a sudden. I have several oscillating hollow state devices that use the neon bulb as a resistive device--it was explained more succinctly in the video. Makes me want to review some older videos with more electronics content. Greater knowledge increases the enjoyment of making things. Thanks! W0XO
Keep em coming. This is what I like to see on the Channel
here's a little nugget of information: the "endcaps on the undersides of the openings there" at 23:30 are called binding straps, they're there because they are the lower structural component of the frame that holds the axle channel together so it doesn't fracture above each axle
I chuckled to myself when seeing the final part and thinking how it could look to a casual observer as if a ball nosed end mill simply made that curved channel in the middle 😊
It is amazing to see the scales of machines that we use and the capabilities of them. I use a huge CNC mill at work and have never considered a 2mm cut big but with smaller machines it's considered pushing a machine to take such a cut. It is awesome.
I might be wrong, but I'm pretty sure you could speed up the dialing in of square stock, by starting with the concentricity and measuring close to the chuck. That way correcting alignment doesn't affect the concentricity as much, because you are moving the other end.
I love Blondihacks Saturdays!!!! ❤
Hi guys watching from Liverpool England, as a master machinist of 40 years I have watched this series with interest. Sure with the machinery I have at my disposal I would do things slightly differently that being said for a very skilled hobby machinist you are amazing. Please keep up the great work very informative for the hobby craftspeople well done 👏 ✔️
Nice progress Quinn! I love your subtle humor!
Hello everyone watching, from Lincolnshire UK 🇬🇧
Hello from Calgary
Hello from Glasgow
Hello from Huddersfield
Cambridgeshire.
Perth, Western Australia
1:43 in Busselton Western Australian worth staying up for! 😊
You're like the "Bob Ross" of machining. Always calm and measured. Don't take this the wrong way, but I laughed out loud both times when you said, "This is where it gets interesting." Also, I love the idea that there is a social media group with the nickname, "The Well Actuallys."
Big fan of your machining videos - they're very relaxing. I'm also a big fan of your retrocomputing content (through your website and the RCR). Would you ever consider making a "bonus video" on the YT channel about your retrocomputing projects?
I might do that!
Appreciate you spelling "Axle" properly as so many misspell it as "Axel"
Quinn finished her drink and sighed. “You’re very boring” she complained before grabbing her bag to leave . “Wait” I pleaded “you haven’t seen my spring pass…!?”
Outstanding workmanship and precision. Two thumbs up for the little lady.
Love it when you make something very complicated look so easy even though you had to be very careful on your dimension or scap the whole thing.
You are truly my hero! Love this build.
Fantastic part! And very well executed!
CNC Lathe Machinist here, Those Hi Polished/Hi Positive inserts are great for anything considered "non ferrous" (Really, anything aluminum/nonferrous works well on aluminum/wood/plastic/brass/copper), on a manual machine they are great for taking incredibly small passes off even on steels, but steels will dull them quickly. Funny enough, I use them on Titanium as well.
This is a great series. I can't wait to see how it turns out. 👍🏻
Such a cool part! Maybe my favorite so far.
You're far more than a hobby machinist
Thanks! I enjoyed this segment.
Yay!! It's Blondihacks time!!!
That was very good work Quinn. Well done.
Always good to hear from another member of the 'Well actually-ies'
On full size locomotives, those brackets on the bottom of the frame are called binders.
Quinn, you do a great job showing progress, piece by piece on your videos.
Nicely done Quinn,it’s coming along fine. Thanks for the video.👍👍
Very nicely done. I'm in the shop almost everyday doing mold or tool and die work and most of it is about making a single feature accurately. It's so nice to be able to see somebody make an entire part with all of the features made precisely.
Slow but thorough progress you say, sign me up! Something, something lustre must surely remove 'some' material though, right? ;) Thanks Quinn, helps a lot!
its more it pushes the ever so tiny ridges left from machining prior around a bit.
@@BloopTube Correct, it acts as a burnisher for the close surface while cutting the proud surface.
Another way i like to think of surface finish and tool marks, is that its kind of like vacuuming plush carpet. You can easily see tool marks (even without cutting) because it can push around the orientation of the surface pattern. Because the orientation at the micro scale is so uniform, and change to that pattern becomes easily visible at the macro scale. So i guess as machinists like to say everything is flexible like rubber, i suppose i could say every surface is fluffy like carpet 😂 also i would say machined surfaces are fluffier due to micro burrs between the paths of individual cutting edges. Perhaps easily noticeable when cutting non machining metals such as mild steel etc. probably why MS always leaves such an ugly surface finish...
Very Nice work you have done. Cheers!
Interesting design! all that bearing surface. and the compensation on that front axle. I like this build!
Thank you Quinn (and sprocket), I always learn something from your videos, they're always interesting and I always look forward to watching one when I see the notification.
Nice! Yeah, I love me some aluminum inserts in brass.
Thanks for all the epic content! 🤘
Thanks Quinn
Great work , Quinn
Thank you! I finally figured out my problem. My old eyecrometer is out of calibration. 😁Love your videos. Amazing hobby.
I've always used a mill cutter to get the drill straight again if the spot drill wanders
Nice to see you hitting a very complex part on multiple set ups and dimensions. I’m still learning my DRO, on my combo machine.
Really enjoying this. Thank you 😊
Ya I am one of those that purchased the book. Great reference when watching your videos.
Getting this dialled in at the lathe would challenge me, I know that… Now there’s an update to the old apprentice baiting… “go find the steady rest for square stock” 😎
There is an actual term for that. Called a - wait for it... a cathead! Glad to be of service for this one.
That was fun to watch. I'd love to get into machining, but I don't have the space and I do have way too many interests already.
Looking forward to seeing the work on the pistons. :)
"too many interests already"... I can relate. Its like drowning in a plethora of awesome things that it becomes impossible to commit to just one subject and refusing to give up other interests. Its ADHD for hobbies. Oh look, Warhammer 😂
Wow a lot of work was involved in making that part. 😊
Thanks for another great video
that's a lot of detail. good job
IMHO every Saturday is a big day when Quinn posts! (At least its a Saturday in my neck of the temporal woods:)
Most accurate representation of a precision stick of butter at 5m.
Wonderful job, you really are very good 😊
Another fascinating installment. I don't know what I'm going to do when it's finished?
Great idea for a band name: the Well Actuallys.
"End caps on the undersides" are pedestal straps.
Excellent work as always.
Binders may be another name for them too.
Yay, nice! Beautiful work as always! (PS: I remember you every time I use my Quinn calipers! :p )
Outstanding work on the front axle box, Quinn. I always enjoy watching you do your work. You've come a long way. And now you're getting to all those moving parts! How fun is that? 😊
And I see you've got several replies about why the axle box is open across the bottom, so I won't bother to add another one. You'd have figured it out soon regardless! 😅
Missing chamfers? Somebody once said that chamfers are what separate us from the animals. Not quite sure who that was. Lol.
I was an animal that day
@@Blondihacks 🤣🤣🤣
Cool part(s)!
Just excellent...
Thankyou 👍
I'd love to have a channel that explains computer programming as well as you explain machining.
Can't beat 'candifloss' flakes from side milling.
I'm kind of surprised that there isn't any lubricating mechanism for the suspension joint to the axle box. I guess it just doesn't do enough moving around to warrant a dedicated lubricator, and you can just apply lubricant during routine maintenance.
Très bon travail very good job
Hello, watching from Tennessee US
I won’t comment on the parallel issue but I might send you a parallelogram about it.
In the event you faced too much off the heads of your fixturing screws, drill off the rest of the head. The remaining stud should unscrew easily with no tension against it.
17:30 Aw man!! Three drinks in fifteen seconds. I can't keep up with y'all anymore.
Howdy to Sprocket!
Brilliant
I think Sprocket was wanting to do some QC for your project, or it was din-din time... possibly BOTH!
23:21 pedestal binders in the U.S.
Good Morning!
Lovely Job. ;)
الفكرة جميلة جداً وأنا احببت ذلك أتمنى لك حظاً سعيداً مع تقديري.
I love these videos, and I've always had a place in my heart for steam locomotives. The processes you show are fascinating, but my next logical question would be: Were the real locomotives built to this level of precision?
The larger components like frames and suspension were not, no. They were hammered and hot riveted into a locomotive-like shape. However the running gear, wheels, valves, etc absolutely were made to these levels of precision and more. They turned 6’ drivers to sub-one-thousandth accuracy every day. For a model, because it’s much smaller, you have to increase the precision level to achieve something that looks built to “normal” precision at a larger scale. The smaller your model, the higher precision required for things to look realistic.
5:25: Stick of butter!
Nice work. It looks so much easier when you make things. It’s getting together now
Here for the Purr-cision🐱
Hey Quinn, your parallel was crooked! 😂 lol. I commented this after your statement just to be annoying!
Hi, Quinn!
cool pare Quinn