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I'm currently running tests on CPVC flanges. The assembly requires the flanges be assembled with a rubber gasket inbetween and 8x 5/8 nuts and bolts per set. The bolts are tightened in a cross pattern, torqued in steps of 20, 40, 80 and 110 ft-lbs. I have had 20 tests done so far using a torque...

Hello, I usually use DIN16901 as a reference for giving tolerances to injection molded parts. But recently, I've been given a part that is to be blow molded. I'm wondering if there is a similar set of standards or guidelines for blow-molding tolerances? Thanks

Hello, I have a situation where I have a part that needs to be modified for blow-molding. Basically, the original design didn't leave enough space between the main body and a limb, so the solution (without changing overall dimensions) is to push the wall of the main body facing the limb in by...