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Arc plasma surface texturing heat treatment strengthening technology method

A technology of arc plasma and surface texture, which is applied in heat treatment equipment, heat treatment process control, manufacturing tools, etc., can solve the problem of single texture form, and achieve simple and feasible process, convenient application and good controllability Effect

Active Publication Date: 2018-06-19
SICHUAN UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

The textured form formed on the surface of the workpiece after heat treatment is mostly point-like, so this heat treatment method has the disadvantage of single textured form

Method used

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  • Arc plasma surface texturing heat treatment strengthening technology method
  • Arc plasma surface texturing heat treatment strengthening technology method
  • Arc plasma surface texturing heat treatment strengthening technology method

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Embodiment Construction

[0027] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, taking the heat treatment of the workpiece (6) made of 45 steel as an example, the specific implementation of the present invention will now be described in detail with reference to the accompanying drawings.

[0028] The object of the present invention is to provide a kind of arc plasma surface textured heat treatment strengthening process, comprising the following steps: Step 1: Determine the process parameters required for surface textured heat treatment strengthening, according to the surface hardness of 45 steel after heat treatment is greater than 650HV The goal is to determine that the structure of the material after heat treatment is martensite, and the spatial distribution of the structure is as follows image 3 shown. In the finite element analysis software ANSYS, a set of process parameters such as the scanning speed of the plasma beam, the dista...

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Abstract

The invention provides a technology method for conducting plasma surface texturing heat treatment strengthening on the surface of a workpiece. Through control over the scanning speed of an arc plasmabeam, the area, where heat treatment strengthening is not needed, of the surface of the workpiece has high scanning speed, the area needing to be subjected to heat treatment strengthening has low scanning speed, and workpiece surface texturing heat treatment is achieved. The method comprises the following steps that firstly, technology parameters needed for surface texturing heat treatment strengthening are determined; secondly, the workpiece position is fixed; thirdly, the initial position of an arc plasma generator is set; fourthly, the position and speed control procedure of the arc plasmagenerator is compiled; fifthly, the arc plasma generator is started and debugged; and sixthly, the compiled procedure is called, and an automatic running button is started.

Description

technical field [0001] The invention relates to a plasma arc plasma surface textured heat treatment strengthening process method, which can carry out textured heat treatment on the workpiece surface to improve the hardness and wear resistance of the workpiece surface. Background technique [0002] The existing plasma surface heat treatment process is mostly an integral heat treatment on the surface of the workpiece. Although it can effectively improve the hardness and wear resistance of the workpiece, due to the large gap between the hardness of the hardened layer and the hardness of the base material, under the action of alternating loads It is easy to cause surface cracks or even peel off the whole surface. The surface texture heat treatment strengthening process can not only improve the hardness and wear resistance of the workpiece, but also have higher fatigue resistance than the integral heat treatment under alternating loads. [0003] In the existing plasma surface di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/09C21D11/00
Inventor 余德平邱吉尔段亚洲钟彦杰向勇姚进
Owner SICHUAN UNIV
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