Spinning technique of pulley
A spinning process and pulley technology, which is applied in the production process of spinning pulleys, can solve the problems of small thickness of the tooth bottom, wrinkles, and influence on the strength of the pulley, and achieve the effect of improving the qualification rate, large force area and uniform force.
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[0027] A kind of pulley spinning process, as attached figure 1 As shown, 1 is the blank to be processed, and 1'is the large arc transition part of the blank. The large arc transition can avoid the formation of fracture and wrinkle defects during the spinning process; the spinning machine is equipped with a core mold fixture, and the blank 1 Install on the core mold fixture; install the pre-forming wheel 2 on the spinning machine so that the working surface of the pre-forming wheel 2 is in contact with the outer edge of the blank 1.
[0028] As attached figure 2 As shown, the main shaft of the spinning machine rotates to drive the core mold fixture and the blank 1 to rotate; the pre-forming wheel 2 rotates and moves horizontally to spin the blank 1 to spin the large arc transition part 1'of the blank into The pre-formed part 2'is a first-grade semi-finished product.
[0029] As attached image 3 As shown, the primary forming wheel 3 is installed on the spinning machine so that the...
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