Method for testing repeated positioning accuracy of machine

Abstract

The invention discloses a method for testing the repeated positioning accuracy of a machine. Four target points with typical features are found in a working area. Then, followed are four steps: Step 1, respectively fixing two dial indicators on X-stroke and Y-stroke guide rails at one target point, so as to measure the precision numerical value of X-axis and Y-axis strokes; Step 2, making fine adjustment of points of the dial indicators in the X and Y rectangular coordinate system, and regulating the indication numerical value; Step 3, randomly finding four different starting points near each target point, and testing the repeated positioning accuracy from each starting point to the target point; and Step 4, repeating the steps 1-3 and testing the other three target points. In this way, bottlenecks that the repeated positioning accuracy cannot be measured after installation of mechanical structures are fixed, and theoretical basis is provided for calculation of electrical parameters of products by means of feedback of measurement results of the repeated positioning accuracy of mechanical structures.

Description

technical field [0001] The invention belongs to the technical field of electrical automation, is applied to the repeat positioning accuracy test of a servo-driven mechanical structure, and in particular relates to a test method for mechanical repeat positioning accuracy. Background technique [0002] In view of the weak technical level of domestic mechanical processing and installation, the gap between the processing and installation and the original precision requirements is obvious. Through the implementation of the control and detection mechanism of the automation system, the repeated positioning accuracy is tested, and the calculation and control of the position of the electrical engineering control mechanical structure is optimized and improved. The invention realizes the test of the repeated positioning accuracy of the mechanical structure and the distribution of the devices. Contents of the invention [0003] The purpose of the present invention is to provide a tes...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a test method for mechanical repeat positioning accuracy, which solves the bottleneck that the repeat positioning accuracy cannot be measured after the mechanical structure is installed, and realizes the test of the repeat positioning accuracy of the mechanical structure

[0005] The invention discloses a test method for mechanical repeat positioning accuracy, which solves the bottleneck that the repeat positioning accuracy cannot be measured after the mechanical structure is installed, and can provide a theoretical basis for the calculation of electrical parameters of products through the feedback of the measurement results of the mechanical structure repeat positioning accuracy

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