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Method of rapid manufacture of stamping die for arc spraying covering-piece for automobile

A technology of automobile cover parts and manufacturing methods, which is applied in the direction of manufacturing tools, forming tools, metal processing equipment, etc., can solve the problems affecting the precision of molds, complex processes, strength, poor surface wear resistance, etc., to ensure the overall performance requirements, reduce the The effect of cost and process simplification

Inactive Publication Date: 2004-04-14
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These methods have been well applied in actual engineering, but there are still some shortcomings, such as low-melting point alloy molds need to be cast in a special melting box, the process is complicated, and stamping samples are required first, which is not suitable for the development of new models , the thermal expansion and deformation of the sheet metal sample during casting will affect the precision of the mold; the casting temperature of zinc-based alloys is generally above 400°C, which requires high casting technology and models, and is generally only used to make stamping dies; epoxy resin mold manufacturing process Relatively simple, but slightly inferior in strength and surface wear resistance

Method used

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  • Method of rapid manufacture of stamping die for arc spraying covering-piece for automobile
  • Method of rapid manufacture of stamping die for arc spraying covering-piece for automobile

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Embodiment Construction

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and the embodiments given by the inventor according to the technical solution of the present invention.

[0025] 1) The technical approach of mold manufacturing

[0026] see figure 1 , the technical approach of utilizing the present invention to carry out rapid manufacturing of stamping dies is as follows: ① polishing the surface of the RP prototype or its transitional model or the non-metallic model or part sample obtained by numerical control processing, and then evenly coat a layer of Release agent; ②Carry out metal arc spraying on the above-mentioned model or sample after substrate treatment to form a metal thin shell with a certain thickness; Cavity bending and shearing resistance; ④ Pour epoxy resin-reinforcing fiber-metal powder mixture and other backing materials into the sprayed mold cavity and the prepared metal mold frame, and embed inserts as requir...

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Abstract

The invention discloses a fast manufacturing method for punching die of metal arc painting car covers. The invention mainly uses metal arc paint technology, combines with glass steel forming, epoxy forming, electrical brush plating. The method includes: paint mother die preparation, basic process, metal arc paint, back materials filling, electrical brush plaiting. The final die is grad layer structure, each layer has different mechanism performance, easy to display material speciality. The invention simplifies the craft and reduces the cost.

Description

technical field [0001] The invention belongs to the field of advanced manufacturing technology and relates to a rapid mold manufacturing method, in particular to a rapid manufacturing method of a stamping die for an electric arc sprayed automobile cover part. Background technique [0002] The so-called rapid mold manufacturing technology is aimed at the traditional CNC machining steel mold. Rapid molds (or simple molds) generally have the characteristics of short molding cycle and low cost, and are suitable for trial production of new products or small batch production. In the past, the techniques that were often used to make simple molds for automobile panels mainly included low-melting point alloy molds, zinc-based alloy molds, and epoxy resin molds. These methods have been well applied in actual engineering, but there are still some shortcomings, such as low-melting point alloy molds need to be cast in a special melting box, the process is complicated, and stamping sampl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/10
Inventor 朱东波王伊卿卢秉恒何仲云史东才
Owner XI AN JIAOTONG UNIV
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