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Old timer watched me set up a job and told me my fixturing was garbage

Guy must have been 70, been running Haas machines since they came out. He pointed at my soft jaws and said I was clamping way too much surface area, actually making the part less stable. I changed to using just 3/8 of an inch of contact on each jaw and my chatter problems vanished overnight. Also stopped using those goofy step jaws for everything I do now. Has anyone else gotten a random tip from a guy who looked like he walked out of 1985?
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2 Comments
kim_west
kim_west10d ago
My buddy got a similar tip from an old machinist and it saved his whole setup.
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sandrat24
sandrat2410d ago
Sixty years of experience teaches you things no manual ever will. Those old machinists know the little tricks that save hours of frustration. I had a retired tool and die maker show me how to check runout on a worn lathe once, and it changed how I approach everything. They've seen it all and don't hold back the good stuff.
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