Method for monitoring wear state of ordered microgroove multilayer abrasive grinding wheel based on radioactive signal

A wear state, grinding wheel technology, applied in the direction of abrasives, bonded grinding wheels, abrasive surface adjustment devices, etc., can solve the problems of misjudgment caused by coolant pressure and easy to be disturbed by external environment, etc.

Active Publication Date: 2020-10-13
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology

This method can monitor the wear state of the grinding wheel online, but it is easily disturbed by the external environment, especially the sudden change of the coolant pressure is likely to cause misjudgment

Method used

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  • Method for monitoring wear state of ordered microgroove multilayer abrasive grinding wheel based on radioactive signal
  • Method for monitoring wear state of ordered microgroove multilayer abrasive grinding wheel based on radioactive signal
  • Method for monitoring wear state of ordered microgroove multilayer abrasive grinding wheel based on radioactive signal

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Embodiment Construction

[0020] The specific embodiments of the invention will be further described below in conjunction with the accompanying drawings.

[0021] see Figure 1 to Figure 5 , a method for monitoring the wear state of an ordered micro-grooved multi-layer abrasive grinding wheel based on radiation signals, the structure of the ordered micro-grooved multi-layer abrasive grinding wheel is: a large number of grinding blocks are arranged on the outer circumferential surface of the grinding wheel hub 1 3. There are micro-grooves 2 arranged between adjacent grinding blocks 3, and the micro-grooves 2 are arrayed on the outer circumference of the grinding wheel and arranged in an orderly manner at equal intervals; the grinding block 3 uses an electroplating process to consolidate the abrasive layer 4 on the hub 1 The outer circumference includes the abrasive layer 4 and the electroplating layer 6, and the abrasive layer 4 is multi-layered, and the electroplating layer 6 is a bonding agent; the ab...

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Abstract

The invention discloses a method for monitoring the wear state of an ordered microgroove multilayer abrasive grinding wheel based on a radioactive signal. A large number of abrasive blocks are distributed on the outer circumferential surface of the grinding wheel, binding agents in the majority of abrasive blocks are electroplated Nickel-28 layers without radioactivity, and binding agents in partof the abrasive blocks are electroplated Nickel-63 layers with radioactivity; and the monitoring method comprises the steps that the radioactive signal on the grinding wheel is monitored in real timethrough a signal detector, and according to the correlation between the radial thickness of the abrasive blocks on the grinding wheel and the intensity of the radioactive signal, when the intensity ofthe detected signal is rapidly weakened, it is indicated that the electroplated Nickel-63 layers are being worn sharply, namely, abrasive layers are worn seriously, and the grinding wheel needs to betrimmed; when the detected signal reaches a certain threshold value, it is indicated that the protruding height of the trimmed abrasive layers meets the requirement, and grinding can be carried out;and according to the intensity of the radioactive signal, whether the grinding wheel needs to be trimmed or can be used for grinding is judged. The method can monitor the wear state of the grinding wheel in real time, trims the grinding wheel in time, and improves the grinding efficiency and quality.

Description

technical field [0001] The invention relates to a method for monitoring the wear state of an ordered micro-groove multi-layer abrasive grinding wheel, in particular to a method for monitoring the wear state of an ordered micro-groove multi-layer abrasive grinding wheel based on radiation signals. [0002] technical background [0003] Grinding is an important method to achieve precision machining of key parts. As an important field in advanced manufacturing technology, grinding technology has been used in many industries such as national defense and military industry, aerospace, chip manufacturing, engineering equipment, and automobile industry. widely used. However, in the actual grinding process, the grinding wheel itself will be gradually worn while grinding the workpiece, especially the multi-layer abrasive grinding wheel. After the abrasive layer is worn and the height of the abrasive grains is reduced, it is not only impossible to effectively grind the workpiece. Proce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B49/00B24B49/16B24B53/06B24D5/06B24D3/06
CPCB24B49/00B24B49/165B24B53/06B24D5/06B24D3/06
Inventor 毛聪刘超孙鹏程汤爱民王佳丽隆鹏张德嘉
Owner CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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