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  • 工业风扇高强度螺栓安装技巧
  • 本站编辑:杭州雅田机电有限公司发布日期:2020-03-04 20:04 浏览次数:

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At present, the connection between the output shaft and the wheel hub of Industrial Fan Motors on the market is divided into two types, one is the high-strength bolt connection, and the other is the structural self-locking of the tensioning device, even if the bolt at the output shaft end is loose, the hub and the output shaft can still be securely fastened together. Whether it is bolt connection, or structural self-locking and bolt connection, we can find common ground, will install bolts, so now talk about high-strength bolt safety methods. The installation of high-strength bolts should be carried out after the adjustment of the central position of the structural components of industrial fans. The side of the nut with the round countertop shall be oriented to the chamfered side of the Washer when the high-strength bolt joint fittings are assembled. The chamfered side of the Washer under the bolt head shall be facing the bolt head when assembling the high-strength Bolt Joint. High-strength bolts on one joint shall be installed from the middle of the Bolt Group and tightened one by one. The initial screw, the compound screw, the final screw should be from the middle of the bolt group to expand around one by one screw, each screw a different color of paint should be used to mark, to prevent screw leakage. When installing high-strength bolts, do not force through (E. G. BY HAMMERING) . If the hole can not be penetrated freely, the reamer should be used for trimming. The maximum diameter after trimming should be less than 1.2 times the diameter of the bolt. In order to prevent the Iron Pin from falling into the lamination seam, all the bolts around should be tightened, and the lamination seam should be pressed against the reaming hole. Gas Cutting and reaming is strictly prohibited. When installing high-strength bolts, the friction surface of components should be kept dry and should not be operated in the rain. After final tightening of high-strength Bolts, the bolts should be exposed to 2 to 3 buttons, which allows 10% of the bolts exposed to 1 or 4 buttons. Of course, in the future, the bolt connection of the structural parts of industrial fans will only be used for protection. More and more people will use the special tensioning device of king ventilation to form structural self-locking, or adopt more advanced connecting methods with the development of technology, to ensure the safety of industrial fan operation.

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