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Method for establishing temperature field model of intermittent grinding workpiece edge

A technology of workpiece edge and establishment method, which is applied in the field of workpiece grinding, to achieve the effect of improving the product quality and market competitiveness of enterprises and avoiding grinding burns

Active Publication Date: 2021-08-13
上海市高级技工学校
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Problems solved by technology

There is a lack of research on the mechanism of intermittent grinding burns

Method used

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  • Method for establishing temperature field model of intermittent grinding workpiece edge
  • Method for establishing temperature field model of intermittent grinding workpiece edge
  • Method for establishing temperature field model of intermittent grinding workpiece edge

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Embodiment Construction

[0047] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein can be arranged and designed in a variety of different configurations.

[0048] Please refer to Figure 1 to Figure 5 , an embodiment of the present invention provides a method for establishing a temperature field model of an intermittently ground workpiece edge, comprising:

[0049] Taking the grinding workpiece as the heat source A, the temperature field model of the plane continuous grinding area is established.

[0050] Add the mirror hea...

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Abstract

The invention discloses a method for establishing a temperature field model of an intermittent grinding workpiece edge, which comprises the following steps of: establishing a temperature field model of a plane continuous grinding area by taking a grinding workpiece as a heat source A, and increasing a mirror image heat source A '; and establishing a temperature field model of an intermittent grinding area by using mirror image heat source method. According to the method, the temperature field model of the intermittent grinding workpiece edge is established on the basis of the grinding temperature field theory and the mirror image heat source method, and the model can effectively reflect the temperature field distribution condition of the grinding area at the workpiece edge during intermittent grinding; the method is of great significance to analysis and research of intermittent workpiece burn mechanisms, on-line monitoring of grinding burn phenomena and avoiding of grinding burn of part products, and is beneficial to improvement of product quality and market competitiveness of enterprises.

Description

technical field [0001] The invention relates to the technical field of workpiece grinding, in particular to a method for establishing a temperature field model for intermittently grinding workpiece edges. Background technique [0002] The energy consumed by cutting per unit volume in the grinding process is much larger than that in turning, and almost all the energy is converted in the grinding area, which is converted into grinding heat, which makes the temperature of the grinding area rise sharply. The high temperature generated in the grinding area may lead to a variety of thermal damage forms, including workpiece burns, metallographic transformation of the workpiece, secondary quenching of the workpiece surface, softening of the surface layer, tensile stress, cracks, and reduction of fatigue strength. Grinding burns can lead to rehardening of workpiece surface material and residual stress, which can seriously affect the performance of parts. Grinding burns on mass-produ...

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Application Information

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IPC IPC(8): G06F30/20G06F17/11G06F119/08
CPCG06F30/20G06F17/11G06F2119/08
Inventor 朱欢欢迟玉伦李厚佳张梦梦包幸生张辰逸吕毛毛杨文越
Owner 上海市高级技工学校
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