A Standard Trajectory Test and Analysis System for CNC Machine Tool

A standard trajectory, test and analysis technology, applied in general control systems, control/regulation systems, program control, etc., can solve the problems of high installation conditions and insufficient depth of CNC machine tools, and achieve simple methods, low costs, and easy setup and operation. Effect

Active Publication Date: 2017-02-01
XI AN JIAOTONG UNIV
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Problems solved by technology

[0003] At present, the research on the kinematic characteristics of CNC machine tools is not deep enough. The existing systems applied to the accuracy detection of CNC machine tools are limited to the single-axis positioning accuracy test of machine tools (laser interferometer) or the circular motion test of machine tools (ballbar). They are all based on external sensors and require high installation conditions

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  • A Standard Trajectory Test and Analysis System for CNC Machine Tool
  • A Standard Trajectory Test and Analysis System for CNC Machine Tool
  • A Standard Trajectory Test and Analysis System for CNC Machine Tool

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings.

[0018] A standard trajectory test and analysis system for CNC machine tools, consisting of hardware and software, refer to figure 1 , the hardware part collects the built-in encoder, grating ruler signal and external position sensor signal of the CNC machine tool, which can realize synchronous acquisition of multi-channel signals, and use the data acquisition card to realize the built-in encoder, grating ruler signal and external position sensor signal of the CNC machine tool Carry out synchronous or asynchronous acquisition, and use the software of standard trajectory test analysis to realize the analysis and processing of information.

[0019] The synchronous acquisition of multi-channel signals refers to the synchronous acquisition of multi-signal formats that can realize 1vpp signals, TTL signals, and Endat signals. The highest sampling frequency of synchronous acq...

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Abstract

A standard trajectory test and analysis system for CNC machine tools, which is composed of two parts: hardware and software. The hardware part collects the built-in encoder, grating ruler signal and external position sensor signal of the CNC machine tool, which can realize synchronous collection of multi-channel signals; the software part performs standard Track test analysis, complete standard circular track test, space circular track test, diamond track test and linear reciprocating test, obtain circular error map, space circular error map, rhombus error map and transmission error map, realize the motion accuracy and motion characteristics of CNC machine tools Detection, the present invention can provide the standard circular trajectory test, space circular trajectory test, rhombus trajectory test and linear reciprocating test method of the machine tool. Commissioning and acceptance provide effective tools.

Description

technical field [0001] The invention belongs to the technical field of motion precision and motion characteristic detection of a numerically controlled machine tool, and in particular relates to a standard trajectory test and analysis system of a numerically controlled machine tool. Background technique [0002] As important equipment, high-speed and high-precision CNC machine tools have a decisive impact on the development of a country's high-tech industries such as aviation, aerospace, metallurgy, mining, chemicals, ships, energy, transportation, precision instruments, and high-precision medical equipment; CNC machine tools are widely used in the manufacturing and processing of key components of automobiles, aircraft, ships, generator sets, etc. The dynamic characteristics of the CNC machine tool is an important factor affecting the machining accuracy of the machine tool, which directly affects the machining quality of the workpiece. How to detect the machining accuracy o...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/406
Inventor 姜歌东窦成东史建强王恪典陶涛张东升沈健徐仁恺
Owner XI AN JIAOTONG UNIV
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