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Method for manufacturing high temperature resistant casting resin-die

A technology of casting resin and high temperature resistant resin, applied in casting and molding equipment and other directions, can solve the problems of difficult machining of molds, long processing cycle and high processing cost, and achieve the effect of shortening manufacturing cycle and high precision

Inactive Publication Date: 2012-09-12
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the machining process of the mold, it generally needs to be completed by CNC programming and CNC machining. The machining of the mold is difficult, the processing cycle is long, and the processing cost is high, resulting in high manufacturing costs of the mold.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1, the specific manufacturing steps of the lost foam foaming resin mold:

[0012] 1. Make the three-dimensional modeling of the mold: use the casting drawings provided by the customer to design the structure of the lost foam foaming mold, and use the PRO / E three-dimensional software to draw the three-dimensional modeling of the mold on the computer.

[0013] 2. Production of rapid prototype of the mold: use the three-dimensional shape of the mold to carry out numerical control programming, and use ABS to process the rapid prototype of the mold on the CNC machine tool.

[0014] 3. Production of silicone rubber molds: use the rapid prototyping of molds and silicone rubber overmolding technology to make silicone rubber molds for manufacturing lost foam foam resin molds.

[0015] 4. Production of the lost foam foam resin mold: In the cavity of the obtained silicone rubber mold, first use a brush to coat the surface layer resin material mixed with high temperature...

Embodiment 2

[0016] Embodiment 2, the specific operation steps of lost wax precision casting wax pattern mold:

[0017] 1. Make the three-dimensional shape of the mold: use the actual object provided by the customer to design the structure of the lost-wax precision casting wax mold, and use the PRO / E three-dimensional software to draw the three-dimensional shape of the mold on the computer.

[0018] 2. Production of rapid prototype of the mold: use the three-dimensional shape of the mold to carry out numerical control programming, and use PVC to process the rapid prototype of the mold on the CNC machine tool.

[0019] 3. Production of silicone rubber molds: Silicon rubber molds for manufacturing lost wax precision casting wax molds are made by rapid prototyping of molds and silicone rubber overmolding technology.

[0020] 4. Production of lost wax precision casting wax molds: In the cavity of the obtained silicone rubber mold, first use a brush to coat the surface layer resin material mixe...

Embodiment 3

[0021] Embodiment three, the specific manufacturing steps of lost foam foaming resin mould:

[0022] 1. Make the three-dimensional shape of the mold: use the physical object provided by the customer to design the structure of the lost foam foam mold, and use the PRO / E three-dimensional software to draw the three-dimensional shape of the mold on the computer.

[0023] 2. Production of rapid prototype of the mold: use the three-dimensional shape of the mold to carry out numerical control programming, and use ABS to process the rapid prototype of the mold on the CNC machine tool.

[0024] 3. Production of silicone rubber molds: use the rapid prototyping of molds and silicone rubber overmolding technology to make silicone rubber molds for manufacturing lost foam foam resin molds.

[0025] 4. Production of the lost foam foam resin mold: In the cavity of the obtained silicone rubber mold, first use a brush to coat the surface layer resin material mixed with high temperature resistan...

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Abstract

The invention provides a method for manufacturing a high temperature resistant casting resin-die, advantageous in comprising the following steps: 1. making a structural design for a die by drawing a three-dimensional modeling for the die through a three-dimensional software; 2. processing the three-dimensional modeling into a rapid prototype in an NC machine tool after conducting an NC programming; 3. manufacturing a silicone-rubber die for the high temperature resistant resin-die by using the rapid prototype and silicone rubber turnover-formwork technique; 4. first brushing a surface-layer resin material over the cavity of the silicone-rubber die, then after the solidification of the surface-layer resin material, brushing a back-layer resin material on the surface-layer resin material, pressing to make the two layers of resin material adhere to each other and the aggregate thickness thereof reaching 20mm+ / -5mm, and taking the two solidified layers of resin materials out of the silicone-rubber die after the back-layer resin material is solidified to obtain the high temperature resistance casting resin-die. The high temperature resistance casting resin-die of the invention, having high machining precision, short manufacturing cycle and low costs, can be applied to the manufacturing of foaming mould by lost foam or the precision casting of wax die through lost wax.

Description

technical field [0001] The invention provides a method for manufacturing a resin mold for high-temperature resistant casting, which belongs to the technical field of casting mold processing. Background technique [0002] In the casting production process, high temperature resistant molds are often required (such as foam molds for lost foam casting or wax molds for lost wax precision casting, the heat resistance temperature of both is about 50-300°C). The manufacturing process of the traditional lost foam foam mold or lost wax precision casting wax mold is generally to use the casting drawings or objects provided by the customer to design the mold structure, and first cast it into an aluminum alloy blank similar to the mold size. It is then machined and assembled. In the machining process of the mold, it generally needs to be completed by numerical control programming and numerical control machining. The machining of the mold is difficult, the processing cycle is long, and t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C7/00B22C7/02
Inventor 张勇
Owner SHANDONG UNIV OF TECH
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