The Shop > Tools
milling spindle upgrade
lordedmond:
Reverse is useful for left hand drills to get out stuck studs, and as been mentioned running out taps
It's useful but not essential
Stuart
bertie_bassett:
well my collets arrived from arc, seems to be a small issue though.. . they don't fit!
not quite sure whats happening but they go in about 50mm or so then stop dead. looks like there is a small 'pin' inside the spindle that should fit in the slot on the collets? seems either the pin is damaged and too big, or the slot is too small.
so. . what size should the slot in the collet be?
lordedmond:
If it's r8 then this may help
http://www.cnccookbook.com/img/MillStuff/R8Dimensions.jpg
Stuart
bertie_bassett:
thanks, yes its r8. width seems right and I think depth is ok, getting 1.7mm at the edge so should be 2.4 (0.98) full depth. - no im not going to calculate it.
seems I need to try and look up the spindle bore, see whats going on
vtsteam:
A couple of mine get a little tight when putting them in -- they were like that new, too. Sometimes I have to wiggle them or bump them past the sticky point with my palm. Most of my collets don't do it, just a couple. But definitely no forcing, and nothing like a hammer. Just a couple palm bumps sometimes.
I hope your quill isn't bent from the fall.....
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