The reasons for discoloration of hardware part plating
The hardware part plating has the functions of improving mechanical capacity, corrosion resistance, and improving electrical performance.
Precision stamping parts inspection in each process
by：Fortuna
2021-02-03
A, inspection basis: precision stampings wi, that customers drawings or recognition model, process planning, etc.
Decision criteria: 'product defect classification table', the sampling standard, relevant inspection standards.
Three, inspection items and inspection tools: 1.
Visual inspection: general use visual, touch, such as limit samples for validation.
2.
Dimensional inspection: general use caliper, micrometer, plug gauge measuring tool.
3.
Structure inspection: general use cable machine, torsion, pressure vessel, such as measuring tool.
4.
Precision stamping properties inspection: such as electrical, physics, chemistry, mechanical properties of commonly used testing instruments and specific method to verify.
Precision contact: wish you a prosperous business, and treasures will be plentiful, if want to know more dynamic, can scan the qr code, pay attention to the public.
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