Heat treatment method-clamp method for straight protection plate of high cast iron shot blasting machine

A heat treatment method and shot blasting machine technology, applied in the field of heat treatment, can solve problems such as deformation, and achieve the effect of solving deformation

Inactive Publication Date: 2016-01-27
TIANJIN JINJIN AGRI & SIDELINE PRODUCTSSPECIALIZED COOP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

We adopt hoisting heating and hoisting quenching method, which can better solve the problem of deformation, but can not solve the problem of high hardness. How to solve the problem of deformation in oil tough Zehuo has become a big problem

Method used

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  • Heat treatment method-clamp method for straight protection plate of high cast iron shot blasting machine

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Embodiment Construction

[0009] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0010] The specific method is:

[0011] The total thickness of the straight guard plate is 20mm, and the four corners and the middle of the long side are padded with 20x60 stainless steel strips, which can lay down 7-8 layers, and then the four corners and the middle are clamped with clamps and placed on a quenching hand plate for heating.

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Abstract

The invention relates to a heat treatment method-clamp method for a straight protection plate of a high cast iron shot blasting machine. The heat treatment method-clamp method specifically comprises the steps that the total thickness of the straight protection plate is 20 mm, and four corners and the middle of the long side are underlaid through stainless steel strips of 20*60; and seven layers to eight layers can be knocked, and a clamp is used for clamping the four corners and the middle to put the long side on a quenching hand disc to be heated. In the heating process, small bending during casting is straightened, forced strengthening of a mechanic part during quenching is ensured, and the good effect is achieved.

Description

technical field [0001] The invention relates to the field of heat treatment, in particular to a heat treatment method for a straight guard plate of a high cast iron shot blasting machine—a fixture method. Background technique [0002] Because the workpiece is thin and long, it is easy to deform and warp during casting, especially during heat treatment. Due to the high brittleness of high-chromium cast iron, it cannot be straightened at room temperature, but can only be straightened naturally at high temperature. We adopt the method of hoisting heating and hoisting quenching, which can solve the problem of deformation better, but it can't solve the problem of high hardness. How to solve the problem of deformation in oil tough Zehuo has become a big problem. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a heat treatment method for the straight guard plate of a high cast iron shot blasting...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/46C21D1/62
Inventor 魏永贺
Owner TIANJIN JINJIN AGRI & SIDELINE PRODUCTSSPECIALIZED COOP
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