metalsurgeon
Plastic
- Joined
- Jan 4, 2017
I've been working on shaft 'blanks' that get a spline rolled on 3 sections. The journals that get the rolled spline are toleranced +/-.0007". Our machine has been holding the tolerance with devastating accuracy,and I am using a 35 degree inserted diamond for finishing, but seem to be having some consistency issues after changing my dulled finishing Insert. The holder uses a camlock and a secondary clamp. After changing the insert I've been backing off my X wear offset .004" because that's a bit better than the average inconsistency I am seeing after an insert change (ranges between .001"-.0035"). So every 25 parts or so I find myself sneaking back up on the finish size and would appreciate any advice on how I can get better than .0035" size consistency after a insert change.