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A kind of arc plasma surface texturing heat treatment strengthening process 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 a simple and feasible process method, good controllability, and convenient application Effect

Active Publication Date: 2019-10-11
SICHUAN UNIV
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  • Abstract
  • Description
  • 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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  • A kind of arc plasma surface texturing heat treatment strengthening process method
  • A kind of arc plasma surface texturing heat treatment strengthening process method
  • A kind of arc plasma surface texturing heat treatment strengthening process method

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Embodiment Construction

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

[0028] The purpose of the present invention is to provide an arc plasma surface texturing heat treatment strengthening process method, including the following steps: Step 1: Determine the process parameters required for surface texturing heat treatment strengthening, according to the 45 steel heat treatment surface hardness 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 attached 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 distance between the plasm...

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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 texturing heat treatment strengthening process method, which can perform texturing heat treatment on the surface of a workpiece to improve the hardness and wear resistance of the surface of the workpiece. Background technique [0002] Existing plasma surface heat treatment processes mostly perform integral heat treatment on the surface of the workpiece. Although it can effectively improve the hardness and wear resistance of the workpiece, the difference between the hardness of the hardened layer and the hardness of the base material is too large, which is affected by the alternating load. It is easy to cause surface cracks and even the entire surface to peel off. The use of surface texturing heat treatment strengthening process can not only improve the hardness and wear resistance of the workpiece, but also has a higher fatigue resistance than the integral heat treatment under the action of alternating lo...

Claims

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Application Information

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Patent Type & Authority Patents(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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