We are seam welding 0.75 mm thick aluminium coated CRCA sheet. Product is fuel tank. We are not able to control leakage.Leak test pressure is 0.5...
Here the cycle time is
Time between getting the part----to------analyze -----action planning and implementation .
Case 1. Change in control plan for process imrovement.
Customer approval is not required but customer can be informed. Records of revision...
For automotive parts traceability must be kept irrespective of regulatory or customers requirement.
It depends upon the type of product.
If product design is your own and there is no competitor in the market you can restrict otherwise no.
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