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[CN 201620878474.0] tungsten steel thimble device for cold heading machine of composite rivet contact
[CN 201620878474.0] Title of Tungsten Thimble Device for Composite Rivet Contact Cold Heading Machine: Application Number of Tungsten Thimble Device for Composite Rivet Contact Cold Heading Machine: CN 201620878474.0 Applicant: Application Date of Fuda Alloy Materials Co., Ltd.: 2016-8-13 Patent Type: Utility Model The utility model discloses a tungsten thimble device for composite rivet contact cold heading machine, including tungsten thimble, needle sleeve, thimble and screw cap, the needle sleeve has a stepped hole, the small hole section of the stepped hole is located at the head end of the needle sleeve, the large hole section of the stepped hole is located inside the stepped hole, the head end of the tungsten steel thimble is from the needle sleeve The small hole section of the stepped hole penetrates outward, and the tail end of the tungsten steel thimble is provided with a tungsten steel thimble limiting head that is matched with the inner section of the large hole section of the stepped hole section, the top rod is slidably arranged in the large hole section of the stepped hole, and the tail end of the needle sleeve is fixedly arranged on the nut. The utility model has the advantages of simple structure, long service life and stable product quality.
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