Toolpost Miller

Toolpost Miller

This topic has 5 replies, 4 voices, and was last updated 4 May 2017 at 22:50 by NICHOLAS ELLIS.

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4 May 2017 at 17:29 #296402
NICHOLAS ELLIS
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@nicholasellis10828
I have purchased a chinese spindle motor, with variable speed, which can be mounted as a toolpost miller, gear cutter etc.'The unit looks fine but comes with a #n ER11-A collet which is for a rather too small 1/8" shaft.

This collet holder is mounted on the motor shaft, which is 1/4" and looks as if it is held on by 2 grub screws.

However If I slacken off or remove these screws It will not budge, even with a puller. If it is threaded, which I doubt, there is no way to hold the shaft to undo it.

I was hoping to buy a similar holder for an ER 20 collet, so I can use it with Thornton cutters, for cutting wheels for clocks.

Does anyone know how to remove this collet holder please? Your comments woild be most gratefully received!

N,Ellis
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4 May 2017 at 17:29 #18501
NICHOLAS ELLIS
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@nicholasellis10828
setting up with a spindle motor
4 May 2017 at 18:24 #296412
Nick Wheeler
Participant
@nickwheeler
I set mine up as it came:

and

That's the vertical slide left over from my mini-lathe mounted to a Wm250, and the spindle motor mount bolted directly to it.

To answer your question, I think the collet holder is machined directly into the spindle.

Edited By Nicholas Wheeler 1 on 04/05/2017 18:25:54
4 May 2017 at 18:48 #296420
Nick Hulme
Participant
@nickhulme30114
Posted by NICHOLAS ELLIS on 04/05/2017 17:29:23:

I have purchased a chinese spindle motor, with variable speed, which can be mounted as a toolpost miller, gear cutter etc.'The unit looks fine but comes with a #n ER11-A collet which is for a rather too small 1/8" shaft.

ER11 Collets are available up to 7mm
4 May 2017 at 20:22 #296433
Martin King 2
Participant
@martinking2
Hi guys, can you pls post a link for this spindle supplier?

Martin
4 May 2017 at 22:50 #296452
NICHOLAS ELLIS
Participant
@nicholasellis10828
CNC ROUTER MILLING Air-Cooled 0.4KW Spindle Motor & PWM Speed Controller & Mount

Look for this on ebay. Nick
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