The mechanical differential shaft of the plate-type air expansion shaft consists of an optical shaft, a slip differential sleeve and a hold-down spring adjusting mechanism. The working principle is that the torque force of each sliding differential sleeve on the shaft is adjusted by the pressing force of the pressing spring adjusting mechanism at the two ends of the shaft. The expansion part is a plate, and the expansion height can reach 4mm to 5mm; the whole plate is expanded by the plate-type air expansion shaft, the fulcrum is evenly dispersed, the stress is even, and the plate-type air expansion shaft is suitable for machines with higher rolling precision or articles with lighter rolling precision. 

    The air expansion shaft is better than the normal shaft is better than the discharge of the entire shaft to unload. After the direct deflation, you can take away the material, because its width is not large, so the operation is more convenient. This is also a lot of light weight material, the width of the machine selected by the air expansion shaft.

      The name of plate-type air expansion shaft is much, but the working principle of the same. The plate-type air expansion shaft and plate-type air expansion sleeve is very convenient to use, fast, only need to provide their own air source, air pressure control in the range of 6-8kg/cm2, need to lock the external parts, as long as the air gun against the plate-type inflation shaft on the air nozzle inflation can be completed, the key bar will protrude against the external parts, need to relax the paper unloading, Press the sliding air core on the air nozzle by hand to deflate, the key bar will return to its original appearance, and the external parts can be taken out of the professional production of plate-type air expansion shaft.

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