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Detection method of numerical control system for detecting contour of cam

A technology of numerical control system and cam profile, applied in general control system, control/adjustment system, program control, etc., can solve the problems of not being able to adapt to the production of cam automatic line, and achieve the effect of high cost performance, fast speed and high measurement accuracy

Inactive Publication Date: 2013-12-04
泰州恒鸣管业科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To achieve high-precision and high-efficiency detection of cams, correct processing and evaluation of its errors, and timely and rapid feedback of cam quality information, traditional optical-mechanical measuring instruments and manual data processing methods can no longer adapt to the wide range of cams. The need for automatic line production

Method used

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  • Detection method of numerical control system for detecting contour of cam
  • Detection method of numerical control system for detecting contour of cam
  • Detection method of numerical control system for detecting contour of cam

Examples

Experimental program
Comparison scheme
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Embodiment 1）

[0017] See Figure 1-2 , the cam profile detection numerical control system of the present embodiment includes: a numerical control turntable 1 for driving the cam 10 to rotate horizontally and coaxially around the vertical mandrel 1-1, and a guide rail synchronous belt assembly 3 horizontally arranged on one side of the numerical control turntable 1 , be located on the synchronous belt 3-1 of this guide rail synchronous belt assembly 3 and the laser ranging head 2 on one side of the cam 10, the grating ruler displacement sensor 4 for measuring the horizontal displacement of the laser ranging head 2, An encoder 5 and an industrial computer for detecting the rotation angle of the cam 10; the industrial computer controls the action of the numerical control turntable 1 and the guide rail synchronous belt assembly 3, and according to the laser distance measuring head 2, the grating ruler displacement sensor 4 And the data that encoder 5 measures obtains the outer profile data of c...

Embodiment 2）

[0038] On the basis of Embodiment 1, this embodiment has the following modifications:

[0039] In order to eliminate the processing or installation error of the mandrel 1-1, which affects the accuracy of cam profile detection, the detection method of the cam profile detection device includes:

[0040] A. Detect the outer edge data of the mandrel 1-1: when the mandrel 1-1 starts to rotate a circle, the distance between the laser measuring head 2 and the outer circle of the mandrel 1-1 is the first distance Always control within the measuring range of the laser measuring head 2, and simultaneously detect and record the rotation angle θ i corresponding to the first spacing , and the mover 3-1 is horizontally aligned with the hard zero position The spacing of the second spacing ;

[0041] B. Fit the cam 10 on the spindle 1-1 without clearance, if the outer contour data of the cam 10 is known , then at the same time when the cam 10 is controlled to rotate one revolution, ...

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Abstract

The invention provides a numerical control system for detecting the contour of a cam, which is simple in structure, accurate in detection and higher in efficiency. The numerical control system comprises a numerically-controlled turntable for driving the cam to horizontally and coaxially rotate around a vertical mandrel, a guide rail synchronous belt component horizontally arranged on one side of the numerically-controlled turntable, a laser range finding head arranged on a synchronous belt in the guide rail synchronous belt component and positioned on one side of the cam, a grating scale displacement sensor for measuring the horizontal displacement of the laser range finding head, an encoder for detecting the rotating angle of the cam, and an industrial computer used for controlling the numerically-controlled turntable and the guide rail synchronous belt component to act and calculating the data of the outer contour of the cam according to data measured by the laser range finding head, the grating scale displacement sensor and the encoder.

Description

[0001] This application is a divisional application with the application number: 201110096390.3, the application date is April 17, 2011, and the name is "Numerical Control System for Cam Profile Detection". technical field [0002] The invention relates to a detection method of a numerical control system for cam profile detection. Background technique [0003] Cam mechanisms are widely used in various automatic machinery, precision instruments, automatic control systems, etc. To achieve high-precision, high-efficiency detection of cams, correct processing and evaluation of its various errors, and timely and rapid feedback of cam quality information, traditional optical-mechanical measuring instruments and manual data processing methods can no longer adapt to the wide range of cams. The need for automatic line production is adopted. With the rapid development of the automobile industry, engineering machinery, etc. and the continuous improvement of manufacturing technology, h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/406
Inventor 丁仕燕汪蓉
Owner 泰州恒鸣管业科技有限公司