The problem exists due to bolts being out of DIN spec and leakage occuring. Now we are being asked to revisit some calculations that haven't been done in a long time. While it is annoying, I gotta get it done. Just part of the job sometimes.
I am struggling with the yield strength. The copper...
Unfortunately, this is a system I can't change (oem production). I just got stuck with a calculation that hasn't been done in over a decade and going back through my old college books not finding much to help me.
The other awesome part is that the copper we are using has a varying yield...
I have to use a copper crush washer to seal against coolant. The bolt is an M12x1.5 simple DIN 908 zinc plated bolt. There is a small interference of 0.1mm between the copper washer and the bolt (worst case), where the bolt surface starts to radius. I need to somehow model or calculate the crush...