Stretch pad parts manufacturing Stretch pad parts are mostly hydraulic cylinders and pneumatic cylinder parts. Therefore, the machining accuracy and roughness of the part will directly affect the function and service life of the stretching pad. Therefore, the matching dimensions of the parts and the roughness of the friction pair should be strictly controlled so as not to affect the overall function of the device. In addition, the castings in these parts should be strictly guaranteed to ensure the internal quality of the base metal, especially the coils and pistons. If the materials fail to meet the design requirements, the overall function of the equipment will be seriously affected. Therefore, the internal quality of the castings of the stretch pad parts is also the focus of quality control.

The key to the assembly of the stretch pad assembly is the pressure test. The three sealed chambers of the stretch pad must ensure the pressure requirements. After the tension pad is assembled, the "adjustment nut" and "limit nut" are adjusted, and the "adjustment nut" and "flange" that require post-assembly processing are secondarily processed to ensure the dimensions of each part based on the mounting surface and mutual The difference meets the drawing requirements; set the top dead center position of the travel indicator; verify that the tension pad and the base connecting bolt are pre-tightened as required, and whether the bolt is loosened as required; verify that the oil chamber is filled as required.

Quality control is an important means to ensure product quality. Mastering the focus of products in the manufacturing process has important guiding significance for quality control work. The production cycle of mechanical press is about 12 or 18 months. Persevering and meticulous in the whole production cycle, focusing on quality control, will effectively reduce the frequency of maintenance and the incidence of failure after the mechanical press is put into operation. The quality of the equipment is guaranteed to the utmost extent.

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