Homemade Milling Cutter with APMX or APMT Carbide Inserts - Part 2
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- čas přidán 20. 08. 2024
- Making the Milling Cutter with Carbide Inserts.
The Cutter has 26mm in diameter, 100mm long, 2 carbide inserts with 11° relief angle. The Inserts are APMX or APMT type. Maximum speed on my machine - Arboga is 2900 RPM and maximum feeding speed is 13 IPM. But with this cutter it would be even more better to go faster... I should buy a new - faster machine, ha ha ha.
Making a endmill manually and on conventional machines needs good skill which you have. Good job.
Arshad Amin Awan
Oh, thank you very much. Best regards, Zmago
dividinghead
homemade... lol, in a moment, I can only pull the milling machine out of the kitchen cabinet :D
great job :)
great job. looks like it works well too. personally the cost of a holder isn't enough to justify me making my own, but if i had more spare time it would be something i'd like to have a crack at.
+Travis Hammond
Thanks for watching. It's exactly like you said. The benefit of spare time and curiosity how it will work...
Regards, Zmago
after all, I have to say: very clever :) Good job
lower the speed a little, 2300, add more depth of cut .100 feed it @26 ipm air blast for cooling you will love it
Looks great. Nice job you did !
+TheLimalha
Thanks.
Best regards, Zmago
Beautiful tool making!
fla playa
Hi. Thanks for watching, and for the nice comment.
Regards; Zmago
Sure thing.. Guessing by the crescent moon shape an Sc you are in SC. Keep up the good do it yourself in America like all of us do.
+fla playa
Hi.
Actually I'm from Slovenia - Europe.
SC Patent is my company name and it means "Solve & Create & Patent"
Thanks for nice words.
Best regards; Zmago
Slovenia? Wow.. I was way off. You adapted to English and were very polite.. 98% of my native speaking reply's are rude, horrible and stupid. I bet life has been rough there so I wish you great success. Merry Christmas Sc Patent.
+fla playa
Hi. Yes I agree. Some of them don't have any manners...
I also wish you a Merry Christmas and all the best in the 2017...
Be well; Zmago - SC Patent
very good
Great video with great information. Unfortunately the feed rate is so slow that it isnt taking a proper chip. At 7:02 you can clearly see it just smearing the chips into workpiece... I reckon you could probably feed 20 times faster or more with this tool. On the right machine though...
+Sphynk
Hi. Thanks for watching and for the comment.
Yes, this machine is nearly not enough for such milling. It's not enough rigid and the lack of speed...
Zmago
Quite amazed by the tool you made though. Thanks again for the video!
You probably better off make one deep cut with rougher plus sides and finish full depth with endmill.
I can see your inserts wearing out soon when not solid and rubbing.
That's really nice man good job :)
+Manny Calavera
Hi. Thanks a lot.
Regards, Zmago
Great job! Nice video.
Awesome toolmaking.
+oppanheimer
Hi.
Thanks.
Regards; Zmago
nice work ...really i like you and what you did
+Rafik Alhaji thank you very much. It's nice to hear that... Zmago
I'm curious as to the fit of the insert. It seems to me that you would want a slight interference fit between the seating faces (the ones you cut at 11 degrees) and the screw hole in order get a solid seat against them.
Siegfried Gust
Hi.
Actually it's very tight fit and the inserts doesn't move at all as I can "feel". What's going on between cutting I can't tell, but if it would be moving than I would see some damages. But for now, and I have been using it a lot and being very "hard" with it, it doesn't show any deformation. Actually I still have the same first inserts in use since the first cut...
The side walls of the inserts definitely must line hard at the walls of the holder, so it doesn't move between cutting, but to prevent the brake of the inserts must have the same angle. Because of the micro vibrations if it would seat too much at the side on the wall it would break definitely. That's what I was explained in one video about the insert nomenclature. Unfortunately I don't have link to that video where it was explained specially about this topics.
Thanks for watching and for the comment.
Be well; Zmago
It's not been hardened so it will be ruined after a few tries. Good effort though.
Could of drilled through coolant holes for your edges also.
果然是外行人的作法！不過能用就好，如果待過刀具廠就知道作法跟細節更講究了
Хорошая работа!!!
bravo 👍👍
marvellous
Abdallah Adam
Adam, hi.
Thanks.
Zmago
well done =)
+CHRI BO_H
Hi.
Thanks for watching and "thanks" for the comment.
Best regards, Zmago
I think the mill might need tramming, it seems like the back side may be dragging going from right to left, but not left to right.
+rompdude
Hi. Yes you're right. I have tried several times but this machine is far far away from true... Years of use has done some damages...
Thanks for watching and for noticing that. Very good observer!
Best regards, Zmago
I have been watching a few of your videos.... Nice looking stuff. I actually learned a couple idea from your stuff, Thank you.... I kindly ask, as per, this video at the 2 minute mark, the roto-bur looking rasp cutter, why did you use that, vs. a typical endmill, Of course, it worked just fine, I am just wondering, just in case I might learn something else from you. Keep up the fine work, Sir. DRU
+Dru Bradley
Hi. First of all, thanks for watching and for nice comment...
Lot of people asking me the same question. That was the time when I started getting it in the machinery business. And at that point I didn't have any carbide end mills to use it. I only had few HSS mills that was already damaged, so instead I used carbide burr and milling it into hardened steel was lot easier than with HSS mills. Sorry, that was the only reason.
Since than I'm always using the carbide end mills. Or sometimes in special situation also the carbide burr because of that special dimension of diameters...
Best regards Zmago
Right on. I suppose that is what most folks will do when starting out, "making do, with what is on hand"... I know I have anyway. I watched 90% of your videos, that was some interesting stuff to watch, will you be doing more soon? Either way, nice work, Dru
+Dru Bradley
Thanks again.
I do interesting things every day, but don't have so much time to record everything. I'm trying but... And I also have many things already recorded but lack of time to make nice videos from these shots...
But yes, I will definitely make some new interested stuff.
Thanks again. Be well, Zmago
No center drill on threaded holes? Isn't location important? No chamfer either?
Burke Moras
Hi. Please see at 3:23 minutes at timeline. You will see there is a center hole already made, but that process I didn't put it into the video. Otherwise it was made correctly by the center drill through the carbide insert that was placed on the socket. Of course it is very important. About the chamfering, I don't remember now. But if screw goes nicely into the thread, than it's ok also without...
Thanks for the comment and for watching.
Best regards, Zmago
Sorry, I didn't mean to be a jerk, thanks for the quick reply, I just thought I'd point it out in case there's any apprentices out there who try without that step and wonder why their inserts don't seat properly xD
Burke Moras
I absolutely agree with you, and I try to make every video as effective, educational as it gets, but sometimes I think it gets too long and of course skip some process...
It was a good question, anyway.
Thanks
I don't mind longer videos, I love to see all the details. I work in a machine builder shop, I'm no toolmaker lol. I love to see how things are done in different types of shops, practices vary a lot from place to place. Machine building has much lower tolerances than fixtures or toolmakers. Our machine tools are crappy but I'm always trying to get better and I love learning from people in other facets of the trade.
I always wondered why more people don't do this
+Aaron Gerow
Hi.
Exactly!
Thanks for watching.
Regards, Zmago
When I do shoulder milling using apmt16 insert it's forming 0.2 taper. Please let me know how to correct
can you mill a shoulder with these inserts? full height. lets see. Obviously you would be using a small width of cut in that case.
meocats
Hi.
Again, the main problem is in the torque of this machine of mine. It is small machine with a small motor-not enough strength with lower speeds... also there is not enough high RPM speed to test it to the limit...
But yes, no problem to mill a shoulder or slot with full width, but like you said it needs to be done by lower depth per cut (on this machine max 1mm as I have tried and it is already struggling...) with fastest RPM which is 2900.
Regards; Zmago
use the full height of the inserts but the width of cut very small.
+meocats
Hi,
You mean the side cuts... making shoulder.
Our Slovenian fraze are a little bit different than your fraze of machining. Sorry for that.
I will make the video... and see how it goes...
Thanks.
Hi. I have just published the new video. It vas fun making it. Please have a look. Regards; Zmago
czcams.com/video/smaulgO6hdc/video.html
Part 2: czcams.com/video/T8zZD6ixr9w/video.html
what type of steel did you make that cutter out of and did you heat treat it?
Sir back side angle []
why did u use a carbide bur to cut with?
Keep on rollin
Hi. At that time I didn't have any other carbide cutter to use. This is already hardened steel and with the ordinary HSS cutters I had some troubles. So it was very convenient to use the carbide bur instead....
Thanks for the comment.
Regards; Zmago
Was it just surface hardened material? It looked like you later drilled and tapped with ordinary HSS tools.
+somebody else
Hi.
Yes the material is only prehardened to some level. Not full. That's what they say in the store... maybe it's just like you said - just the surface. It was not problem to drill into, but I'm using the Hss-Cobalt drills, which are very hard. For tapping, I'm using the taps for stainless steel mostly...
Later of camera I heated it again to red level...
nice clip dude, is there back lash of this kind of indexer by the way?coz I want one too.
Cyrus Chann
Hi.
Thanks for watching and for the comment.
Actually this rotary table / indexer has very little backlash. It is pretty good. But of course you must be precise vhere to stop it. Then lock it. The scale is with degrees, minutes and seconds. Very precise.
Regards Z
Zmago Vidrih thank you very much for your comment, what do you think, is it a good idea to modify into a CNC rotary table? is that back lash in acceptable level? thanks
Cyrus Chann
Well, I'm not sure about that. If it would rotate only in the same direction, than maybe, but still to avoid the chartering between machining it's good to lock it down... Must figure it out how to do that...
I feel like without proper hardening and grinding this isn't a good route to take.
+Weeble Wobble
Hi. This steel bar is already hardened...
But what do you mean with "grinding" ?
Thanks for watching and for the comment...
Zmago
+Sc Patent like surface grinding after hardening to ensure the holder is seating the inserts properly.
Ok. I can still do that, thanks.
Matt Lunardi its no problem at all.. not if you know your shit
На такую фразу 3 пластины идут, так что тут себе дороже
you can buy these off ebay for less than 10usd shipped china
meocats my mill and I are allergic to Chinese tools...
its not economical otherwise.
Type of Steel used?
Steel 42CrMo4 by DIN, or steel 4732 by JUS
Sandman Actual even low carbon steel can be easily carburized
How does this tool perform with steel?
+gordonfrank
If you have seen the video, that was cutting into the steel...
+gordonfrank
That was cutting into the Steel 42CrMo4
How to reduce chatter?
+Saurabh Masiwal
My machine is not rigid enough, so it always go with chattering. I could slow down the feeding speed and would be better. And also with less depth of the tool... But that's not what I wanted to reach. I believe that better (more rigid) machine would perform with less chatter...
Sc patent lower your spindle speed and crank the feed to having 0,15mm chipload and at least 0,50mm depth of cut which is the minimum for those inserts
The terrible music finally stops at 6:50 nice tool tho
i hate those inserts worst geometry ever
why?
They are more meant for high torque low rpm use.
Nice video. I would ask one thing of you. Please kill the music entirely and explain the steps and why. I don't even rate apprentice level work and as AvE says, most of my projects look like an apprentice went at them with a dull beaver. I'm sure people more skilled than me can watch this and understand how and why you do each step the way you do. When I watched this as far as I did, to me it was just music and somebody using a power tool. I'm confident that whatever it was that you were doing was great but I don't really get into music videos so I stopped it, wrote this comment and now I'll look for a different creator that describes the work they are doing. Keep making the music videos, I'm sure lots of people love them.
I agree with you now. That was a long time ago when I posted the video. I can't remember why I put the music with the video, maybe it seems necessary at that time. I sincerely apologize for this. And for some other videos as well. I have stopped posting stupid music, since it is not even good music, but I have stopped it for the same reason you have explained and because I have become slightly wiser. So, I will leave the music on with this particular video, and not make a new one without. If you need more description of what video shows, don't watch machinist videos. Maybe it is not for you. I'm not a machinist neither, but I did that without any blueprint... so I'm also sorry for any of my mistakes in the past that might offended you by watching this free channel where you can actually learn a few things if you were not be bothered by music. And please don't mention that AvE guy. He is too much vulgar for the CZcams anyway... Thanks for your opinion anyway and for watching it as far as you did. Regards Z