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"a carefully machined backplate"....What procedure and..........

March 30 2007 at 10:46 AM
wved  (Login wved)

Response to Bison chucks are quite good.

materials do y'all "real machinists" use for making a backplate? I made one for a 5" chuck out of T6 aluminium but the runout was about .003 after mounting it on the lathe. Perhaps this was an issue for the cheap 3 kaw chuck I bought but I ended up recutting it for my 5" 4 independent jaw chuck. The reason I made it so thick is because I could give it a 1 1/8" diameter bore which allowed me to directly machine my custom R9 pistons without live centers.

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