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Forming method of temporary metallic mold

A metal mold and molding method technology, applied in other manufacturing equipment/tools, turbines, engine components, etc., can solve the problems of low mold times and high production costs, and achieve the effects of low cost, easy processing and low cost

Pending Publication Date: 2021-10-29
SUZHOU ZHONGYAO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a molding method of a temporary metal mold, which is used to solve the problems of high production cost or low mold times of the temporary mold used in the initial stage of product development

Method used

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  • Forming method of temporary metallic mold
  • Forming method of temporary metallic mold
  • Forming method of temporary metallic mold

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Goal is to form figure 1 A temporary metal mold shown, specifically, in the mold frame 11, a front temper straightener 12, and a store insert 13, in front of the front modes 12, except for the product cavity, there is also an adhesive The aperture 14, in addition to the product cavity, in addition to the product cavity, in addition to the product cavity, the material of the product is HDPE (high density polyethylene), and the melting point is approximately 135 ° C.

[0041] The pretty tutore 12 is similar to the molding method of the compulsion 13, in which the product type cavity formation process is used as an example, the forming method of the temporary metal mold is explained.

[0042] like figure 2 As shown, the molding process generally includes: first filled the metal powder and the binder into the model to heat the metal green body, then release sintering, followed by roughing according to the mold design of the product, cleaning the degreasing with polymer material...

Embodiment 2

[0053] Example 2 Comparative Experiment

[0054] Example 1, Comparative Example 1 and a modulus of ratio 2 were intensified, the processing duration, cost, and modules were tested, and the experimental data was shown in Table 1.

[0055] Among them, the hardness test is specified by the Rockwalk hardness meter;

[0056] The length of the five model inserts of the processing is processed as an example;

[0057] Cost is an example of the cost of 5 model inserts of the same processing;

[0058] Module Test For processing of modes inserts for injection molding.

[0059] Table 1

[0060]

[0061] Through the above experiment, the technical solution provided by the present invention is not as low as 3D printing product, but the alignment ratio 2 is significantly dominant, while the length and processing cost of processing, the first embodiment is approximately, but the ratio ratio 1 Nice should be less and low, the most important thing is that the mold in the modulation test is fully ...

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Abstract

The invention belongs to the technical field of metallic mold machining processes, and particularly relates to a forming method of a temporary metallic mold. The method comprises the steps that firstly, a model is filled with metal powder and a binder, a metal green body is formed after heating, then demolding and sintering are conducted, then rough machining is conducted according to the mold design of a product, high polymer materials are used for infiltration after cleaning and degreasing are conducted, and finally, finish machining is conducted to obtain the temporary metallic mold. According to the technical scheme provided by the invention, through metal powder filling and sintering, rapid forming of a metal block is achieved; compared with high-density metal adopted in the prior art, the formed metal block is low in cost and easy to machine, the machining time can be shortened, and the cutter loss can be reduced; then through the infiltration of the high polymer materials, the strength required by the mold time exceeding 1000 times can be rapidly obtained, and the surface smoothness and compactness required by a mold core are met; and the forming method of the temporary metallic mold is beneficial to operation, low in cost and particularly easy to popularize and use.

Description

Technical field [0001] The present invention belongs to the technical field of metal model processing process, and more particularly to a molding method of a temporary metal mold. Background technique [0002] Mold forming is a widely used product forming method, especially for a part of plastic products, injection mold forming is a large amount due to its wide use, convenient processing, and high efficiency. Of course, in addition to different needs, in addition to the pure polymer material, various products mainly formed in a polymer material, such as a metal or ceramic powder mixed with a metal or ceramic parts, manufactured by metal or ceramic parts. Preparation of work to obtain product green, then performing degreasing and sintering to obtain ultimate products; can also develop high temperature melt injection techniques for high temperature die such as die-casting formation, using the principle of injection molding. [0003] The design and generation of the mold in the inje...

Claims

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Application Information

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IPC IPC(8): B22F5/00B22F3/26B22F3/11B22F1/00
CPCB22F5/007B22F3/26B22F3/1121
Inventor 张善寿范振洋尹学荣
Owner SUZHOU ZHONGYAO TECH CO LTD
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