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All Springer/NP/PCP Air Gun Discussion General > Machine Shop Talk & AG Parts Machining

5C Collet Rant

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subscriber:
Tony rants about collets:

Firewalker:

--- Quote from: subscriber on March 19, 2023, 11:14:53 PM ---Tony rants about collets:



--- End quote ---

he does indeed!

sb327:
Can you just use an emergency and bore it to the size you want?

https://www.prolinemax.com/products/precision-5c-emergency-steel-collet-1-16-pilot-hole-lathe-fixtures?variant=42543633694954&currency=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic

Dave

Ronno6:

--- Quote from: sb327 on March 20, 2023, 12:08:51 AM ---Can you just use an emergency and bore it to the size you want?

https://www.prolinemax.com/products/precision-5c-emergency-steel-collet-1-16-pilot-hole-lathe-fixtures?variant=42543633694954&currency=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic

Dave

--- End quote ---

That's one way, I suppose.
It still drives me to drink that work holders do not come in the sizes of the material to be held...........
But aluminum round bars have tolerances that range from +.001 all the way up to +.007...... one ebay seller even says +.07"...I think NOT...
I can see that the alum rod would want to have a few thou oversize so that it will clean up at the stated diameter, but just not by being held in a collet...
I guess that's what jaw checks are all about..............

OTmachine:
Sounds like you need a jacobs flex collet chuck.  Or just up the ante a bit and buy a W & S Chucker or #2 Turret Lathe since you seem to be in production mode.

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