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To the requirement of stamping materials

by:Fortuna     2021-02-12
Metal stamping parts with sheet metal surface and internal performance of stamping has great influence on the quality of the finished product. To the requirement of stamping materials are: accurate, uniform thickness, smooth surface, no spots, no scar, no scratch, no surface crack, etc. , yield strength and uniform, no obvious directivity, high uniform elongation, showed low, low work hardening. In the actual production, commonly used to approximate the manufacturability of stamping process test, such as deep drawing performance test, bulging performance test and other test materials stamping performance, to ensure the quality of the finished product and high qualified rate. Stamping safety measures are: 1, to realize mechanization and automation in and out of the material. 2, set up mechanical protection device to prevent injury. Application mould cover, automatic material return devices and hand tools front-rear 3, set up the electrical protection, power devices. Or the air curtain set photoelectric protection switch, hands, or more hands series start switch, prevent wrong operation equipment, etc. 4, improved the structure of the clutch and brake, and in a dangerous signal was given and the press of the crankshaft, connecting rod, the punch can immediately stop on the in situ. Production safety in production dozens, hundreds of stampings per minute, in a short time to finish feeding, punching and out pieces, discharge waste, safety in production is a very important problem. A: moulds made by metal stamping parts
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