Method for measuring temperature of grinding region of surface grinding

A technology of temperature measurement and surface grinding, which is applied in the direction of grinding machine parts, thermometers, measuring devices, etc., and can solve problems such as difficulty in achieving the best results

Inactive Publication Date: 2012-06-20
UNIV OF SHANGHAI FOR SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In order to avoid the above phenomenon, the current surface grinding process mostly relies on the experienc...

Method used

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  • Method for measuring temperature of grinding region of surface grinding
  • Method for measuring temperature of grinding region of surface grinding
  • Method for measuring temperature of grinding region of surface grinding

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] Such as figure 1 Shown, the thermocouple temperature measuring sensor 18 used in the present invention is by wire 4 and wire 5 Connect the two ends of the conductor grinding workpiece 1 of different materials and the thermocouple material constantan sheet 2, and insulate the grinding workpiece 1 and the constantan sheet 2 with a mica sheet 3.

[0023] There is a groove 11 on the side of the grinding workpiece 1; the constantan sheet 2 and the mica sheet 3 are installed in the grinding workpiece groove 11, and the wire 4 and wire 5 Connect the conductor material grinding workpiece 1 and the thermocouple material constantan sheet 2 respectively, and use the mica sheet 3 to insulate between the grinding workpiece 1 and the constantan sheet 2; use special glue to bond the two separate grinding workpieces 1 on the Together. Grinding workpiec...

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Abstract

The invention relates to a method for measuring the temperature of a grinding region of surface grinding. The method comprises the following steps: (1), making a thermocouple temperature sensor, (2), calibrating the thermocouple temperature sensor, and (3), measuring the temperature of the grinding region. During the grinding process, firstly a wire I and a wire II are connected into a collection card with a cold-end compensation function and a computer, then the grinding test is carried out after setting the rotation speed (Vs) of a grinding wheel and the rotation speed (Vw) of a working table, the top part of a ground work piece and the top part of a constantan sheet as thermocouple material are mutually lapped or welded together to form a thermocouple node, and finally the detected value of temperature of the grinding region is displayed and recorded by the computer through the shielded-type collection card with a cold-end compensation function and a shielded cable. The method can measure the temperature of the grinding region relatively and accurately when the work piece is ground by a surface grinding machine, and can protect the work piece from grinding burn and large residual stress by optimizing the process parameters of the surface grinding operation. The method has significance of improving quality of ground surface of the work piece and increasing the grinding efficiency.

Description

technical field [0001] The invention relates to a grinding temperature measurement method, in particular to a grinding area temperature measurement method used for surface grinding. Background technique [0002] In the precision grinding process, the temperature in the grinding zone has a great influence on the surface quality of the machined parts and the cutting performance of the abrasive grains of the grinding wheel. When the temperature in the grinding zone is high, the metallographic structure of the surface layer of the part will change, resulting in grinding burns. The higher instantaneous temperature in the grinding area will form thermal stress during the grinding and cooling process, which will cause greater residual stress on the surface of the ground part, and even cause cracks on the surface. In order to avoid the occurrence of the above phenomenon, the current surface grinding process mostly relies on the experience of the operator to select the processing pa...

Claims

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Application Information

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IPC IPC(8): B24B49/14G01K7/04
Inventor 迟玉伦李郝林
Owner UNIV OF SHANGHAI FOR SCI & TECH
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