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Single degree of freedom numerically controlled machine tool loading device and loading test method

A technology of CNC machine tools and loading devices, which can be used in measuring devices, testing of machine/structural components, instruments, etc., and can solve problems without precedent.

Inactive Publication Date: 2013-10-09
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is still no precedent for applying linear motors and torque motors to the follow-up loading test of single-degree-of-freedom CNC machine tools

Method used

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  • Single degree of freedom numerically controlled machine tool loading device and loading test method
  • Single degree of freedom numerically controlled machine tool loading device and loading test method
  • Single degree of freedom numerically controlled machine tool loading device and loading test method

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0057] The present invention will be described in further detail below in conjunction with accompanying drawing: see figure 1 — Figure 13 ,

[0058] (1) A single-degree-of-freedom CNC machine tool loading device of the present invention is composed of two parts: a follow-up loading mechanism and a control system. The main shaft applies the load, and the control system is used to realize the functions of servo motor control, load calculation and signal processing of the mechanical part of the follow-up loading mechanism.

[0059] The follow-up loading mechanism includes three parts: X / Y-axis horizontal loading module, Z-axis vertical loading module and torque loading module. The three loading modules can be used independently, and the corresponding loading modules can be selected for testing according to the type of loading test.

[0060] (1) X / Y axis horizontal loading module

[0061] Such as figure 1 As shown, the X / Y-axis horizontal loading module is composed of the fo...

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Abstract

A single degree of freedom numerically controlled machine tool loading device is formed by a servo loading mechanism and a control system, wherein a mechanical part of the servo loading mechanism exerts load on a machine tool spindle through a port of the numerically controlled machine tool spindle; the servo loading mechanism comprises an X / Y axis horizontal loading module, a Z axis vertical loading module and a torque loading module, and the three loading modules can be independently used; the control system is used for achieving the functions of servo motor control, load calculation, signal processing and the like on the mechanical part of the servo loading mechanism. A single degree of freedom numerically controlled machine tool loading test method comprises the five steps that firstly, specific test requirements and a test scheme are determined; secondly, connecting operation of the machine tool spindle is completed; thirdly, installation operation of the loading modules and a machine tool work table is completed; fourthly, the load is exerted on the machine tool spindle, and the magnitude of the load is measured; fifthly, results are calculated and outputted. According to the loading device and loading test method, loading is carried out on two collinear directions of the machine tool spindle, and a single degree of freedom loading mode of a numerically controlled machine tool is effectively expanded.

Description

technical field [0001] The invention relates to a single-degree-of-freedom numerical control machine tool loading device and a loading test method, which belong to the technical field of machine tool performance experiments, and are used for loading of unidirectional force along X, Y and Z axes and Z-axis torque in the reliability test of numerical control machine tools test. Background technique [0002] CNC machine tools are the key equipment of modern machinery manufacturing industry. The current consumption of CNC machine tools in China ranks first in the world, but the high-end CNC machine tools in the domestic market still mainly rely on imports. One of the main reasons affecting the competitiveness of domestic high-end CNC machine tools is product quality, and one of the most important quality problems of domestic machine tools is product reliability. [0003] In the reliability test of CNC machine tools, the most commonly used loading method is single-degree-of-free...

Claims

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Application Information

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IPC IPC(8): G01M99/00
Inventor 郭江真王丹樊锐陈五一
Owner BEIHANG UNIV
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