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The standard use of hydraulic wrenches protects not only the tools but also the safety of the operat

source:Industry News release time:2021-09-29 Article author:Rosit Popular:Air band saw

　　The standard use of hydraulic wrenches protects not only the tools but also the safety of the operators!

　　The standard use of hydraulic wrenches protects not only the tools, but also the safety of operation and control personnel! Why do we repeatedly emphasize (qiáng diào) standard operation control? Because we often go to customer sites to visit or service (fú wù) colleagues found that although we When training customers (functions: knowledge transfer, skill transfer, standard transfer), the importance of standard operation will be seriously emphasized every time, but in the operation, many people still use hydraulic wrenches very casually. Do not pay attention to whether there is a safety hazard in this use. The hydraulic wrench transmits power to the working head through the high-pressure oil pipe and the hydraulic pump, which drives the working head to tighten or loosen the nut. The hydraulic pump can be driven by electricity or compressed air. The working head of the hydraulic wrench is mainly composed of three parts, the frame (also called the shell), the oil cylinder and the transmission parts. The output force of the oil cylinder, the piston rod of the oil cylinder and the transmission part form a motion pair. The distance from the center of the oil cylinder to the center of the transmission component is the hydraulic wrench amplification arm. The oil cylinder output multiplied by the arm is the theoretical output torque of the hydraulic wrench. The actual output torque is smaller than the theoretical output torque. For example, if the position of the reaction force arm is placed, if the position is so large that the partial load is too large, it may cause damage to the wrench. Although this kind of damage may not be reflected (tǐ xiàn) at the time, it is very After many times, the overloaded part may break (fracture) in high-pressure use and cause personal injury. There may be problems (Emerson) due to improper sleeves or sleeves not in place. Therefore, attention must be paid to it during use.

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