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CNC Progress and Collet Chuck

A project log for Reviving a Shoptask 1720 XMTC Gold 3-in-1

This thought project is notes on reviving my 1998 Shoptask 1720 XMTC Gold late-mill-drill

Alastair YoungAlastair Young 08/27/2021 at 04:180 Comments

I now have a functioning CNC setup, and have started to learn how to use it in lathe mode. See the sub-project: linuxcnc


I also picked up an ER-40 collet chuck that fits directly to the lathe spindle nose - no adapter required. This is the only chuck I've ever seen listed that fits the Shoptask. I don't have any collets for it yet, but is seems to be perfectly concentric - at least I get the same runout of 0.0005" on the ER-40 taper as I do on the MT4. Spindle maintenance time...

I found it here: HHIP 3901-5038 ER-40 Collet Chuck, 132 mm Diameter x 42 mm Height

Sequential pawn efforts. 

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