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  • Users: mechintern
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  1. mechintern

    Plastics thread seating torque

    I am trying to find out how much torque I should apply to a plastic nut which is fastened to plastic threads. Both are made of PC/ABS plastic. I have done some failure testing of 100 parts, and they failed at an average of 150 inch pounds. I have found sources that suggest using 75% of the...
  2. mechintern

    Vacuum Leak Testing

    I am performing a leak test where an encapsulated electronic device is submerged about 10 cm under water. A vacuum pump then pumps air out of the seal chamber to 20inHG. I was wondering if this is a better test than submerging the unit under 2 meters of water. Basically we are dealing with a...

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