Case Studies

Process Capable Tolerancing Case Studies.

  • Further illustrations of the solenoid original and redesign Smart Solenoid tolerance stack
    The case study briefly summarizes the analysis and redesign of the tolerance stack for a Smart Solenoid End Assembly. In carrying out the study the company had taken tolerance stack failure severity to be a FMEA rating of four (S = 4) and the customer required a 'worst case' analysis...
  • Assembly recommendations for light-metal screwings A "cost saving" fallacy
    The final step in the assembly of a product selling for £100 is to fix a lid on the cast case with eight 4mm self-tapping screws. It is suggested we save 4p by having the screw holes cast in, instead of having them drilled in a separate operation...

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