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Processing method capable of enabling size of steel mold cavity to be stable

A technology with stable dimensions and processing methods, which is applied in the field of mold processing, can solve problems such as poor product dimensions and unstable workpiece dimensions, and achieve the effects of stable dimensions, simple structure, and cost-saving production

Inactive Publication Date: 2018-12-14
苏州钜升精密模具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the size of the workpiece will be unstable in actual production. After the workpiece is used for a period of time, the size will be larger than the actual processing, resulting in poor product size and scrapping

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0013] Specific embodiment one, a kind of processing method that can make steel model cavity dimensionally stable, is characterized in that its steps are:

[0014] (1) For the blank material, select the blank material according to the specific size of the required steel model cavity;

[0015] (2) Milling machine processing, the preliminary milling process is carried out on the selected blank on the milling machine;

[0016] (3) CNC processing, the billet processed by the milling machine is processed by CNC to further improve the processing accuracy of the billet;

[0017] (4), heat treatment, after the parts are processed by CNC, they enter the heat treatment process, the purpose is to improve the structure of the steel, improve its mechanical properties, and make it have a longer service life;

[0018] (5) Baking, put the heat-treated parts into a computer box-type dryer, set the temperature to 150 degrees, and bake for 24 hours. Stencil elimination, so as to achieve the pu...

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Abstract

The invention relates to a processing method capable of enabling the size of a steel mold cavity to be stable, and belongs to the technical field of mold machining. The processing method capable of enabling the size of the steel mold cavity to be stable is characterized in that a baking process is additionally arranged between a heat treatment process and a grinding machine process of steel mold cavity processing, residual austenite in a workpiece after heat treatment can be eliminated, and therefore the purpose of stabilizing the size of the workpiece is achieved. According to the processingmethod capable of enabling the size of the steel mold cavity to be stable, the structure is simple, so that the size of the steel mold cavity is more stable, the production cost is saved, the servicelife of the steel mold cavity is prolonged, and the processing method is suitable for popularization and application.

Description

technical field [0001] The invention relates to a treatment method capable of stabilizing the size of a steel mold cavity, and belongs to the technical field of mold processing. Background technique [0002] During the processing of the traditional steel mold cavity, the cavity bar is an indispensable part of the package IC integrated circuit mold, and the accuracy and dimensional stability of the cavity bar are very high, so it needs multiple processes to complete. The existing steel model cavity processing process is blank → milling machine → CNC → heat treatment → grinding machine → EDM → fine grinding → polishing → deburring → electroplating. In the prior art, the size of the workpiece is unstable in actual production. After the workpiece is used for a period of time, the size will be larger than the actual processing, resulting in defective product size and scrapping. [0003] In order to solve the above-mentioned technical problems, the present invention designs a tre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/24
CPCB23P15/24
Inventor 罗文骏
Owner 苏州钜升精密模具有限公司