What does that mean. I am sure that I used to be able to cut aluminum tubing. Now, even at .002" runout, the tube (2.5" long, 1.5" OD) just keeps popping out when I try to square it. I am sure that this used to work for me. I tried a new cutter. I tried sandpaper between jaws and tube. Nothing is working!
Monday, September 28, 2020
When Self-Centering 3-Jaw Chucks Stop Holding the Workpiece
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Jaw faces might not be parallel with each other. Splayed?
ReplyDeletenot a machinist but have you tried reinforcing the inside of the tube? In the past how much was left inside the 3 jaw chuck. try as much tubing as possible inside a 3 or 4 jaw chuck. The only reason I responded is that no one else even suggested anything and you didn't indicate you figured it out.
ReplyDeleteW: Good thing to check.
ReplyDeleteaugustrr: As deep in the jaws it will go.