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Method for detecting thread

A thread and threaded hole technology, which is applied in the field of thread detection using the principle of pneumatics, can solve the problems of missing tapping or shallow teeth of workpiece thread holes, and there is no particularly effective detection method, so as to achieve the effect of easy operation

Inactive Publication Date: 2008-01-23
天津勤美达工业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, for the diameter control of processed products, various enterprises widely use pneumatic measuring instruments to detect the size of the product diameter, but there has been no particularly effective detection method for the problem of missing or shallow threads in the threaded holes of the workpiece.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Prepare the workpiece A to be tested, connect the instrument to the air source and plug in the power supply, after the power-on display shows a green light, adjust the calibration knob until the alarm display light shows a critical value, that is, the moment the green light turns off and the red light turns on, and the buzzer sounds at the same time After the probe is calibrated with the calibration ring gauge, start to use the probe to detect the workpiece. The buzzer beeps and the green light is on if it is qualified, and the workpiece A is judged to be qualified.

Embodiment 2

[0014] Prepare the workpiece B to be tested, connect the instrument to the air source and plug in the power supply, after the power-on display shows a green light, adjust the calibration knob until the alarm display light shows a critical value, that is, the moment the green light just goes out and the red light turns on, and the buzzer sounds at the same time After the probe is calibrated with the calibration ring gauge, start to use the probe to detect the workpiece. When the threaded hole has no thread, the buzzer beeps and the alarm shows that the red light is on. It is determined that the workpiece B has no teeth or the teeth are shallow and have not been tapped in place.

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PUM

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Abstract

The invention provides a method for measuring thread, which comprises the following procedures: (a) connecting a pneumatic thread tester with an air supply, and turning on the tester; (b) calibrating the probe with a standard ring gage after the Power On indicator is on; (c) measuring the work piece by the probe. When the thread hole has thread, the buzzer beeps, and the green light becomes on, the work piece is acceptable; when the thread hole has no thread, the buzzer alarms continuously, and the red light becomes on, the work piece is has no teeth or the teeth are too shallow and not tapped to place. The method takes use of the pneumatic principle, can rapidly and accurately judge whether a thread hole has threads or whether the threads are in position, and is easy to operate.

Description

technical field [0001] The invention relates to a thread detection method, in particular to a thread detection method using the pneumatic principle. Background technique [0002] At present, for the control of the diameter of processed products, various enterprises widely use pneumatic measuring instruments to detect the size of the product diameter, but there has been no particularly effective detection method for the problem of missing or shallow threads in the threaded holes of the workpiece. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a thread detection method that can effectively solve the problem of missing taps or shallow teeth in the detection of workpiece threaded holes. [0004] A method for detecting thread of the present invention, it comprises the following steps: [0005] (a) Connect the pneumatic thread detector to the air source and plug in the power supply; [0006]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B13/00
Inventor 左立志
Owner 天津勤美达工业有限公司