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Detection method for cam outline detection system

A technology of cam profile and detection method, which is applied in measuring devices, instruments, and optical devices, etc., can solve problems such as inability to adapt to the production of automatic cam lines, and achieve the effects of good system dynamic performance, small screw load and high precision.

Inactive Publication Date: 2011-07-06
CHANGZHOU INST OF TECH
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  • Description
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  • 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 for cam outline detection system
  • Detection method for cam outline detection system
  • Detection method for cam outline detection system

Examples

Experimental program
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Embodiment Construction

[0021] see Figure 1-2 , The cam profile detection device of this embodiment includes: a numerical control turntable for driving the cam 10 to rotate horizontally and coaxially around a vertical axis 1-1, a screw nut pair 3 arranged horizontally on the side of the numerical control turntable 1, and a set The laser measuring head 2 on the movable nut 3-1 of the screw nut pair 3 and on the side of the cam 10 2, the grating scale displacement sensor 4 for measuring the horizontal displacement of the movable nut 3-1, for detecting The encoder 5 for the rotation angle of the cam 10, and an industrial computer; the industrial computer controls the actions of the numerically controlled turntable 1 and the screw nut pair 3, and according to the laser measuring head 2, the grating scale displacement sensor 4 and the encoder 5 The measured data yields the outer contour data of the cam 10. The numerical control turntable 1 is connected in transmission with a turntable motor 6. The motion...

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Abstract

The invention provides a detection method for a cam outline detection system which has a simple structure and high detection precision and efficiency. The adopted cam outline detection system comprises a numerically controlled rotary table, a screw rod and nut pair, a laser measurement head, a grating bar displacement sensor, an encoder and an industrial control computer; the numerically controlled rotary table is used for driving a cam to horizontally and coaxially rotate around a vertical mandrel; the screw rod and nut pair is horizontally arranged on one side of the numerically controlled rotary table; the laser measurement head is arranged on a movable nut of the screw rod and nut pair and positioned on one side of the cam; the grating bar displacement sensor is used for measuring the horizontal displacement value of the movable nut; the encoder is used for detecting a rotary angle of the cam; and the industrial control computer controls the operation of the numerically controlled rotary table and the screw rod and nut pair, and obtains data of the outer outline of the cam according to data measured by the laser measurement head, the grating bar displacement sensor and the encoder.

Description

Technical field [0001] The invention relates to a cam profile detection device and a detection method thereof. Background technique [0002] Cam mechanisms are widely used in various automated machinery, precision instruments, automated control systems, etc. It is necessary to detect the cam with high precision and efficiency, and correctly process and evaluate its various errors, and feedback the quality information of the cam in a timely and fast manner. The traditional optical mechanical measuring instrument and manual data processing methods can no longer adapt to the wide range of cams. The use of automatic production lines is needed. With the rapid development of the automobile industry and engineering machinery and the continuous improvement of manufacturing technology, how to improve the detection accuracy and efficiency of cam processing accuracy is a technical problem to be solved in this field. Summary of the invention [0003] The technical problem to be solved by th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/24G01B11/14
Inventor 丁仕燕干为民
Owner CHANGZHOU INST OF TECH
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