thank you israelkk
I suppose you mean for crush grinding like, but we use water vertical grinders and we have fixtures to hold the springs in position whilst grinding. At first i thought it was the quenching oven, where we heat the springs before quenching that was causing the problem, but it...
I have recently joined this spring manufacturer, but it seems has got a problem when it comes to spring squareness.
There is too much resetting of springs(which i would call rework) due to springs being skewed(not square). I will explain the process now. The springs during manufacture a passed...
Scragged/preset spring should show permanent set on subsequent loading. Try long duration preseting, the spring shld be compressed three times, holding it at the solid height for 2 minutes in the first two strokes and for 48 hours at the last stroke. Permanent set shall not exceed 3 mm of free...