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Ball screw performance testing testbed based on motor servo loading

A ball screw and ball screw pair technology, applied in the field of ball screw pair performance test devices, can solve the problems of unstable loading process, complex structure of loading device, low loading accuracy, etc., and achieve convenient measurement and compact mechanical assembly , the effect of a wide range of speed regulation

Inactive Publication Date: 2015-01-07
UNIV OF SHANGHAI FOR SCI & TECH
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of this invention is to solve the shortcomings of the existing ball screw performance test bench loading device str...

Method used

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  • Ball screw performance testing testbed based on motor servo loading
  • Ball screw performance testing testbed based on motor servo loading
  • Ball screw performance testing testbed based on motor servo loading

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Embodiment Construction

[0031] The application principle of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0032] Such as figure 1, as shown in 2, the ball screw performance test bench based on motor servo loading of the present invention includes a bed 1, a rolling guide rail 11 and a guide rail slider 10, a guide rail pressing plate 6, a load front support 13, and a load rear support 21 , workbench 4, drive ball screw pair 2, load ball screw pair 3, linear motor 45 for dynamic loading, load AC servo motor 12, grating scale 46 for measuring linear displacement, photoelectric sensor 38 for zero return, Buffer 42 to ensure test safety, torque sensor 15 to measure frictional torque, and infrared temperature sensor 39 to collect temperature.

[0033] Rolling guide rails 11 are fixedly installed on the upper end surfaces of the left and right sides of the middle groove of the bed 1, and the seven guide rail pressure plates ...

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Abstract

The invention relates to a ball screw performance testing testbed based on motor servo loading. Rolling guide rails are arranged on a bed body, a movable pair is formed by the rolling guide rails and guide rail sliding blocks, the guide rail sliding blocks are fixedly connected with a workbench, a load ball screw pair is arranged in a middle groove in the bed body, a load nut seat is fixedly connected with the workbench, linear motor permanent magnet guide rails are arranged in outer inner grooves symmetrically formed in the bed body, a movable pair is formed by the linear motor permanent magnet guide rails and linear motor sliding blocks, and the linear motor sliding blocks are fixedly connected with the workbench. The ball screw performance testing testbed can simulate static or dynamic loads through a rotary servo motor or a linear servo motor, meanwhile, the locating precision, repeated locating precision, reverse errors, temperature rise and friction torque of the load ball screw pair are examined, the feasibility of the ball screw performance testing testbed in practical work is verified, the testbed has the advantages of being flexible in loading mode, high in loading precision and stable in loading process, and load lead screws of different lengths and the identical specification can be used for tests on the same performance testbed.

Description

technical field [0001] The invention relates to a ball screw pair performance test device, in particular to a ball screw performance test bench based on motor servo loading. Background technique [0002] The ball screw is one of the most commonly used transmission components in precision machinery. It is a screw transmission component composed of a screw (screw), a nut and a ball. Its main function is to convert rotary motion into linear motion. It has high precision, reversible The characteristics of high performance and high efficiency, the quality of its performance directly determines and affects the performance of the CNC machine tool. Therefore, the necessary performance test of the ball screw is conducive to early detection of problems, reduction of defective yields, and reduction of unnecessary Reduce downtime and improve machine quality. However, as test techniques and conditions play an increasingly important role in modern scientific research and product produc...

Claims

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Application Information

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IPC IPC(8): G01M13/02
Inventor 俞洁皓白国振徐增豪杨勇明荆鹏翔
Owner UNIV OF SHANGHAI FOR SCI & TECH
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