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What should be paid attention to when hydraulic wrench adjusts the valve
source:Industry News release time:2021-09-17 Article author:Rosit Popular:Air band saw
What should be paid attention to when hydraulic wrench adjusts the valve
The reason why hydraulic wrenches are so expected by professions such as industry and machinery is mainly because the volume of hydraulic wrenches is not too small but it is very sensitive and small. 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. Let's take a look at the hydraulic wrench adjustment valve (material: cast iron, cast steel, stainless steel, etc.) what should be paid attention to when the door?
First of all, what should you pay attention to when using hydraulic wrenches for maintenance and repair of directional control valves? When performing regular maintenance and repair operations, be sure to check whether the oil seal of the valve stem shows oil leakage? If so The main reason is that the oil seal is damaged due to external pressure. The oil seal should be replaced after opening the cylinder head.
Secondly, the flow rate (unit: cubic meter per second) control valve is prone to many problems during maintenance and repair: the valve (function: cut-off, diversion, voltage stabilization, shunt, etc.) usually has the following factors (factor) :1. The pressure correction equipment (shèbèi) cannot work normally, usually because there is a lot of fine dust in the valve core (subject to the valve body) or the sleeve part to form a block, and the dust can be divided and cleaned, usually in the flow ( Unit: cubic meters per second) of the exit site. 2. How to clean the adjustment shaft of flow rate (unit: cubic meter per second)? It can be adopted to reverse the adjustment shaft of flow rate (unit: cubic meter per second) to achieve this effect.
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