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这种弹簧过去我们是在钳台上绕制的,总感到不很好。钳工王效锡同志改进一种工具,可以在车床上绕制有初应力的弹簧。这样一来,初应力的大小可以掌握,绕制的质量有了保证,效率又可以提高1.5～2.5倍。这种工具非常简单,总共只有3～4个零件,制造十分方便。它既适用于大批生产,也适于修配厂的小批生产,操作方法是这样的: (1)先把白钢丝绕成同要求有初应力弹簧螺旋方向相反的普通弹簧,再
This spring used to be weighed on the bench, always feeling bad. Locksmith Wang Xiaoxi comrades to improve a tool that can be wound in the lathe with the initial stress of the spring. As a result, the size of the initial stress can be mastered, the quality of the system has been guaranteed, the efficiency can be increased by 1.5 to 2.5 times. This tool is very simple, a total of only 3 to 4 parts, manufacturing is very convenient. It applies to mass production, but also suitable for small batch production plant repair, operation method is this: (1) the first white steel wire wound with the same requirements of the initial stress spring spiral direction of the ordinary spring, and then