Hi guys,
Got a question for you. I was trying to make a .071 inch slot with a .062 end mill. Had a guy at work help me with speeds and feeds. First attempt at .02 DOC resulted in the end mill breaking at the very end of the slot. Next attempt another end mill broke near the beginning.
Went to work today and talked to a few people and they told me to check my runout on the spindle. I put a 1/4" end mill in a DA180 collet holder and checked it out. Its a little over .0015 which I was told is no good for tiny end mills. What is the factory spec run out for the spindles on these? How difficult is it to repair this. Is it just a few bearings? Or does the whole spindle need to be pulled and sent in to someone? Thanks all.
Rob
Got a question for you. I was trying to make a .071 inch slot with a .062 end mill. Had a guy at work help me with speeds and feeds. First attempt at .02 DOC resulted in the end mill breaking at the very end of the slot. Next attempt another end mill broke near the beginning.
Went to work today and talked to a few people and they told me to check my runout on the spindle. I put a 1/4" end mill in a DA180 collet holder and checked it out. Its a little over .0015 which I was told is no good for tiny end mills. What is the factory spec run out for the spindles on these? How difficult is it to repair this. Is it just a few bearings? Or does the whole spindle need to be pulled and sent in to someone? Thanks all.
Rob