eccentric cutting in a three jaw chuck

[bearhunter]

I know there is a formula to calculate a shim size to cut a eccentric in a three jaw chuck. the shim is placed under one jaw to make the offset you desire to cut. For the life of me I can not remember the formula. please help

 

[ornerynorsk]

You can trig it out.

 

[pardal]

I do it by drawing in CAD , If you want I can show how I did it.


please contact me at k281969@hotmail.com
Pardal

 

[BILLBERN]

there's a nice freeware program called eccent.zip at

http://www.geocities.com/mklotz.geo/#shop