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Thread: Ball Bearing Collet Nuts
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12th August 2015, 09:45 PM #1
Ball Bearing Collet Nuts
I recently received a "Buyer's Guide" from Ausee. It has Collet Nuts with Ball Bearings in it. What is the advantage of these. I am thinking of getting ER40 hex and square collet blocks. These are $46.20 each. Not worth my time to make them at that price, even if I can. They are not supplied with collet nuts and I was wondering if it was worth getting a couple. I already have a spare so no real problem if there is no benefit. They don't list an ER40 normal nut.
Thinking back to the thread on removing tangless morse tapers, there is also screw in tangs available for MT2 (M10) and MT3 (M12).
Dean
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12th August 2015 09:45 PM # ADSGoogle Adsense Advertisement
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12th August 2015, 10:32 PM #2SENIOR MEMBER
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I have one of these ball bearing collet nuts. To be honest I can't say I have noticed any difference clamping wise over a standard ER40 nut. Maybe there are benefits if you have tool pull out. If not one has to ask what problem they are trying to solve in the first instance.
I also own the ER40 hex and square collet blocks. I have found them useful and much less of a PITA than stuffing around with a dividing head for rough work. And the fact they hold round in the vise. Certainly worth the purchase.
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12th August 2015, 10:33 PM #3Pink 10EE owner
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I bought both the collet blocks and a ball bearing collet holder... Still trying to work out the advantages of the ball bearing collet holder..
The collet blocks are really nicely made, you will be happy with them..Light red, the colour of choice for the discerning man.
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12th August 2015, 11:02 PM #4
Thanks for your input. I will hold off on the collet nuts then. I seem to have compiled quite a list. I am about to add it all up. I am sure I will be happy with them.
Dean
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12th August 2015, 11:12 PM #5
I too have the same collet blocks.
I also bought the bearing collet nuts, Now I already had 3 or 4 Sandvik bearing collet nuts before I ordered these ones. And I can say this much.
1. The quality is pretty well on par with the sandvik equivalent
2. The price is 1/10th the Sandvik equivalent
3. I have found that I don't need to over tighten the collet nut like I had to on standard nuts.
4. They don't marr the top of the collet like the standard nut.
Well that's it so far........
MattWarning Disclaimer
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15th August 2015, 10:29 AM #6
Ball bearing collet nuts
Hi Dean,
See the following blog post for a good explanation..
http://blog.cnccookbook.com/2010/09/...collet-chucks/
My take is that they will provide a small improvement without getting too far out on the bleeding edge of costs. They do feel nice to tighten.
The above blog is about CNC related stuff. He has a lot of hobbyists using his software and looking at his blog so don't let the "CNC" bit put anyone off. Lots of good information there.
Cheers
The Beryl BlokeEquipmenter.... Projects I own
Lathes - Sherline 4410 CNC
Mills - Deckel FP2LB, Hardinge TM-UM, Sherline 2000 CNC.
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15th August 2015, 11:01 AM #7
Hi,
Thanks for the link. I will have a good read of it tonight, I hope. Now I have to go and do some work. We have a guy coming to pick up our bull. We are changing breeds. I will miss him. I hope the new one is as friendly as him. Got to get some pictures. Cheers.
Dean
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