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You are here: > Home > News > Industry News

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Comprehensive development of hydraulic wrenches.Hydraulic impact wrench Production

source:Industry News release time:2022-05-26 Article author:yu Popular:Air band saw

　　

　　The working head of hydraulic wrench is mainly composed of three parts: frame (also called housing), cylinder and transmission parts. Hydraulic wrench is the abbreviation of hydraulic torque wrench. It is a professional bolt tightening tool that is powered by hydraulic pressure and provides high torque output. It is used for bolt installation and disassembly. It is often used to tighten and loosen bolts larger than one inch. The hydraulic wrench is composed of a working head, a hydraulic pump and a high-pressure oil pipe. The cylinder (compressed air), the piston rod of the cylinder (compressed air) and the transmission part pair, the center distance of the cylinder is the hydraulic wrench arm cylinder output amplifying drive component, multiplied by the arm, is the theory of hydraulic wrench output torque, Due to friction, the actual output torque of the hydraulic wrench is less than the theoretical output torque. The hydraulic wrench pump is the power unit of the hydraulic wrench. It provides the hydraulic wrench with high-pressure hydraulic oil as the power. The hydraulic wrench is the organization of the hydraulic system (Hydraulic systems). The hydraulic wrench pump is a high-pressure pump, the maximum working pressure is generally 70MPa, common electric hydraulic pumps (Hydraulic pumps), pneumatic hydraulic pumps (Hydraulic pumps). When the hydraulic wrench works, the piston moves, generally in the pressure state of 10 to 32mpa medium (substance that plays a decisive role), and the intermediate pressure flow (unit: cubic meter per second) is 2.2 times higher than the high pressure (32-70mpa) )flow. The three-stage pressure flow (unit: cubic meter per second) curve (Curve) is synthesized (explanation: several parts are merged into a whole), and the speed of the three-stage flow pump is almost twice that of the two-stage flow pump. It can be seen that the speed of the three-stage pump is much faster than that of the two-stage pump.

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