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According To What Parameters To Select The Hydraulic Motor?

Aug 15, 2019

The basis of choice and general method of hydraulic motor

(1) The main basis for the selection of hydraulic motors is the requirements of the host to the hydraulic system, such as torque, speed, working pressure, displacement, shape and connection size, volume efficiency, total efficiency and quality, price, supply and ease of use and maintenance.

(2) There are many kinds of hydraulic motors. Different characteristics, should be for the specific use and operating conditions, refer to the table below to select the appropriate hydraulic motor. Low-speed operating conditions can be operated with low-speed motors, or high-speed motor-plus deceleration devices can be used. In the choice of two options. It should be selected according to the structure and space situation, equipment cost, drive torque is reasonable, etc.

(3) After determining the type of motor used, according to the required speed and torque from the hydraulic motor product line (see table below) to select several specifications to meet the needs, and then carry out comprehensive analysis, that is, the first use of a variety of specifications of the characteristic curve to detect (or calculate) the corresponding pressure drop, flow and efficiency; Then, use technical and economic evaluation to determine specific specifications if the original cost is the most important. A motor that meets torque requirements and lowers the flow of the system and lower pressure should be selected, so that the hydraulic source, control valve and line specifications can be small. If the operating cost is the most, the total efficiency of the motor should be selected, if the life is the most important, you should choose the least pressure-down motor, the final selection of products are mostly the compromise of the earth description scheme.

NIM3-400 (9)(001)

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