Posted by Chewie [172.68.90.97] on Thursday, March 22, 2018 at 15:07:49 :
In Reply to: production machining error? posted by DJ in WA [172.68.141.67] on Thursday, March 22, 2018 at 13:07:08 :
The off balance theory has some merit to it, but shaving a gear before hardening eliminates noise. How much I don't know, but since it added two more operations (back then) to the process, not every company did it..