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Numerical control system for detecting cam contours

A technology of numerical control system and cam profile, applied in the direction of digital control, measuring device, using optical device, etc., can solve the problem of not being able to adapt to the production of automatic cam line, etc., and achieve the effect of good system dynamic performance, high cost performance and small measurement error.

Inactive Publication Date: 2012-07-25
CHANGZHOU INST OF TECH
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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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  • Numerical control system for detecting cam contours
  • Numerical control system for detecting cam contours
  • Numerical control system for detecting cam contours

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Embodiment Construction

[0021] See Figure 1-2 , the numerical control system that is used for cam contour detection of the present embodiment comprises: the numerical control turntable 1 that is used to drive cam 10 to rotate around vertical mandrel 1-1 level coaxially, the lead screw nut that is horizontally arranged on the numerical control turntable 1 side Auxiliary 3, a laser measuring head 2 set on the movable nut 3-1 of the screw nut pair 3 and on the side of the cam 10, a grating scale displacement sensor 4 for measuring the horizontal displacement of the movable nut 3-1 , an encoder 5 for detecting the rotation angle of the cam 10, and an industrial computer; the industrial computer controls the action of the numerical control turntable 1 and the lead screw nut pair 3, and according to the laser measuring head 2, the grating ruler displacement sensor 4 And the data that encoder 5 measures obtains the outer profile data of cam 10. The numerical control turntable 1 is connected with a turntab...

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Abstract

The invention provides a numerical control system for detecting cam contours, which has a simple structure, high precision and high efficiency. The numerical control system comprises a numerical control turntable, a screw rod nut pair, a laser measuring head, a grating scale displacement sensor, an encoder and an industrial personal computer, wherein the numerical control turntable is used for driving a cam to horizontally and coaxially rotate around a vertical mandrel; the screw rod nut pair is horizontally arranged on one side of the numerical control turntable; the laser measuring head is arranged on a movable nut of the screw rod nut pair and is positioned on one side of the cam; the grating scale displacement sensor is used for measuring the horizontal displacement of the movable nut; the encoder is used for detecting the rotation angle of the cam; and the industrial personal computer is used for controlling the numerical control turntable and the screw rod nut pair to act and acquiring external contour data of the cam according to data acquired by the measurement of the laser measuring head, the grating scale displacement sensor and the encoder.

Description

technical field [0001] The invention relates to a numerical control system and a detection method for cam profile detection. Background technique [0002] 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, how to improve the detection accuracy and efficiency of cam machining accuracy is a technical problem to be solved in this field. Contents of the invention [0003] The technical problem to be solved by the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/19G01B11/24
Inventor 丁仕燕毛建秋唐国兴刘天军干为民
Owner CHANGZHOU INST OF TECH
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