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Mold manufacturing process in investment casting

A manufacturing process and investment casting technology, applied in manufacturing tools, casting molding equipment, casting molds, etc., can solve the problems of easy-to-get respiratory diseases, easy to emit into the air, affecting workers' health, etc., and reduce damage to workers. Healthy body, smooth surface, no potholes

Inactive Publication Date: 2013-07-03
伟成金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] Use wax to make the mold of the utensils to be made, and then smear mud on the wax mold. The main component is ammonium chloride. As we all know, ammonium chloride is easy to volatilize ammonia gas, a gas with a pungent smell. Working in an environment with irritating gases affects the health of workers and is prone to respiratory diseases; in addition, irritating odors are easily emitted into the air, causing air pollution and affecting air quality; at the same time, the quality of wax mold making directly affects the later stage. The level of mold quality

Method used

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Embodiment Construction

[0018] The following are preferred embodiments of the present invention, but they do not limit the protection scope of the present invention.

[0019] The invention discloses a mold manufacturing process in investment casting, which includes the following steps: 1. Dissolving the prepared mold material into a liquid state, setting the liquid temperature of the mold material at 80°C to 95°C, removing impurities, and then Pour a 10mm-20mm thick wax plate in a stainless steel basin and cool it naturally;

[0020] 2. Knock the cooled wax plate into (20~50mm)×(20~50mm) irregular small pieces;

[0021] 3. Pour liquid wax water at 80°C to 95°C into a stainless steel bucket, then add the wax block that has been beaten in step 2, and stir at the same time. When stirring, add a little wax water according to the paste state of the mold, and wait until the paste Until there are no particles in the mold material, when stirring, lift the impeller of the mixer to make a paste;

[0022] 4. ...

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Abstract

The invention discloses a mold manufacturing process in investment casting. As magnesium chloride is adopted as a hardening agent, no volatile gas exists, so that the air pollution is reduced, and the damage to the physical health of a worker is reduced, and meanwhile, the production cost can also be reduced; and a manufactured and obtained mold wall cavity is smooth in surface and has no hole.

Description

technical field [0001] The invention relates to a manufacturing process, in particular to a mold manufacturing process in investment casting, which is used for making molds for forming utensils. Background technique [0002] The investment casting process is a molding method in which molten metal is poured into a mold and solidified to obtain a metal blank with a certain shape, size and performance. [0003] Use wax to make the mold of the utensils to be made, and then smear mud on the wax mold. The main component is ammonium chloride. As we all know, ammonium chloride is easy to volatilize ammonia gas, a gas with a pungent smell. Working in an environment with irritating gases affects the health of workers and is prone to respiratory diseases; in addition, irritating odors are easily emitted into the air, causing air pollution and affecting air quality; at the same time, the quality of wax mold making directly affects the later stage. The level of mold quality. Contents ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C7/02B22C9/04
Inventor 潘吉裕
Owner 伟成金属制品有限公司
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