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column information in the field of hydraulic machinery, relying on friends [20 years] industry deep plowing experience, focus on the output of hydraulic technology innovation, market trends, application cases and other high value content. With the aim of "professional, timely and deep", we provide one-stop information service for engineers, purchasing decision makers and industry researchers, helping users to accurately grasp the pulse of hydraulic technology development.
Analysis of the causes of hydraulic machine vibration: 1. Sudden loss of load: when blanking, punching, trimming and other processes are carried out, the impact and vibration of the moving beam frame and pipeline will be caused when the cracking and deformation resistance of the data is suddenly reduced. 2. suddenly return after pressure, four columns...
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1. Before installing the mold of the single-arm hydraulic press, check whether the mold is deformed or damaged, check whether the mold is rusty, and clean the plane on the mold connecting plate; 2. Check whether the connection between the slider and the base of the special single-column hydraulic press for straightening is flat...
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Reasons for the failure of the 1. speed control system 1. The throttle of the throttle valve is blocked, causing the flow to be not small or unstable; 2. The spring of the constant speed control valve is too soft, and the pressure difference before and after the throttle valve is too small. Cause the flow of the speed control valve is unstable. 3...
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Fast hydraulic press for the speed of the correct adjustment method: 1, throttle speed control method. Hydraulic machine manufacturers can use quantitative pump oil supply, the use of throttling elements to change the parallel branch of the oil distribution, and then change the flow into the implementation of the components to real...
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Reasons for the failure of the 1. speed control system 1. The throttle of the throttle valve is blocked, causing the flow to be not small or unstable; 2. The spring of the constant speed control valve is too soft, and the pressure difference before and after the throttle valve is too small. Cause the flow of the speed control valve is unstable. 3...
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① as a result of the single arm hydraulic machine hydraulic pump flow is insufficient, resulting in insufficient flow in the system, should check the hydraulic pump suction air within the impact of the hydraulic pump flow, it is necessary to take measures to prevent air inhalation, variable pump due to variable body work adverse effects of pump flow...
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1. bolt connection bolt connection is the basic equipment in servo hydraulic machine, but when the operation is improper, such as the connection is too tight, the bolt may be due to the long-time effect of electromagnetic force and mechanical force, showing metal fatigue, so as to induce shearing, thread sliding and other components...
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1. For the installation of the machine base of hydraulic press equipment, it is necessary to ensure the coordinate position of the two machine base, and the relative elevation, vertical level and horizontal level should meet the installation specification requirements. 2. The upper beam, lower beam and movable beam of hydraulic press, due to its weight...
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Analysis of the causes of oil leakage in the hydraulic system of 1. single-arm hydraulic press 1. Oil leakage caused by hydraulic system pollution The pollution of the hydraulic system will lead to increased wear of hydraulic components, decreased sealing performance, low volumetric efficiency, and internal leakage. hydraulic components of the movement of...
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