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.
CN103344449AInactive Publication Date: 2013-10-09BEIHANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
BEIHANG UNIV
Publication Date
2013-10-09
Estimated Expiration
Not applicable · inactive patent

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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.
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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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