What are the key points in the wire harness production process

The general workflow of medical device wiring harness processing includes cutting wire, stripping, stripping head, pressing terminal, dipping tin, inserting shell, welding, casing, testing, appearance testing, packaging and warehousing. It can be said that each step is very important, need to pay attention to a lot of issues, which is related to the quality of the whole set of harnesses.1. Cutting the line stipulates that the length of the line in the tolerance range, too long and too short can not be run to the next step; 2. Peeling is also the length of the regulations, can not be hurt to the inner core line; 3. Stripping the head of the length of the provisions of the specifications directly related to the terminals, shorter than the long terminal crimp does not meet the standard; 4. Pressing the terminal is important that the pull force must be qualified, terminal Appearance must be qualified ok; 5. Dip tin on the full tin and part of the tin, can not have a broom head, slit, big head phenomenon, otherwise can not pass; 6. Insert the shell is easy to insert the wrong insertion in a timely manner, but also very important; 7. No false welding, empty welding, leakage welding, welding; 8. Sleeve, including the set of heat-shrinkable tubes, pvc tubes, twisted tubes, yellow wax tubes, etc., the specification and the process requirements are stringent; 9. Detection, including on-off detection, resistance and voltage Detection, etc., does not comply with the provisions of the defective products; 10. Appearance inspection is a supplement to the pre-check, the overall appearance of the wiring harness inspection, unqualified must be returned for repair; 11. Reasonable packaging and storage of each wiring harness, otherwise qualified products will become defective, which is also very important.

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