Tiny thing that saves me time - cleaning collets before every tool change

I used to just swap tools and go, figured a little dust or chips didn't matter. Then last month I had a run of 50 parts where the finish came out terrible, like visible chatter marks all over. Chased it for 2 hours, changed speeds, adjusted coolant, nothing worked. Finally pulled the collet out of the holder and there was a tiny sliver of aluminum wedged in there from the previous job. Cleaned it out, put it back, and the next part came out perfect. Now I keep a little brush right next to the machine and hit every collet before I swap. Adds maybe 10 seconds per change but saves me from pulling my hair out. Has anyone else had a dumb simple fix like that turn a bad day around?

2 comments

2 Comments

ward.piper1mo ago

Cleaning collets is a great habit, but the real time saver is keeping a little air gun nozzle handy to blast the spindle taper before every tool change too. That 5 seconds stops chips from getting crushed between the holder and the spindle face which causes runout you'll chase forever.

margaretk891mo agoMost Upvoted

@ward.piper do you find any specific collet brands collect more crud in the taper than others?