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Production process of high-welding-precision corrosion-resistant mirror surface stainless steel casting

A technology of mirror stainless steel and welding precision, applied in the directions of casting molds, casting mold components, manufacturing tools, etc., can solve the problems of unprovided production processes, and achieve the effects of no pitting defects, good economic benefits, and low production costs.

Inactive Publication Date: 2020-06-12
元祥精密机电新沂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the casting shell manufacturing method provided by this patent is only a step in the production process of stainless steel castings, and does not provide for the rest of the production process.

Method used

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Examples

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Comparison scheme
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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0031] The production process of a high welding precision corrosion-resistant mirror stainless steel casting according to the present invention, the production process comprises the following steps:

[0032] 1) Wax injection: the wax injection machine injects the wax material into the mold box to form a casting model. After the wax injection is completed, the demoulding is completed, and the casting model is cooled in water. The temperature of the cooling water is 20~25°C. In the wax injection mach...

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Abstract

The invention provides a production process of a high-welding-precision corrosion-resistant mirror surface stainless steel casting. The production process comprises the following steps of 1) carryingout wax injection; 2) carrying out tree grouping; 3) carrying out shell making; 4) dewaxing; 5) sintering and molding; 6) smelting and pouring; 7) welding; and (8) polishing, specifically, carrying out hole reaming treatment, shaping, sand blasting, shaping, polishing and brightening to obtain the high-welding-precision corrosion-resistant mirror surface stainless steel casting. According to the production process, the production process of the stainless steel casting is described in detail, the production process is orderly and clear, the production cost is low, the appearance of the producedstainless steel casting achieves the mirror surface effect, the pocking mark defect is avoided, and the economic benefit is good.

Description

technical field [0001] The invention belongs to the technical field of production of stainless steel castings, and in particular relates to a production process of high welding precision corrosion-resistant mirror stainless steel castings and a grinding process thereof. Background technique [0002] Precision casting refers to the general term for the process of obtaining precise size castings. Compared with the traditional sand casting process, the size of the castings obtained by precision casting is more accurate and the surface finish is better. It includes: investment casting, ceramic casting, metal casting, pressure casting, lost foam casting. [0003] Among them, the most commonly used is investment casting, also known as lost wax casting: select suitable investment materials (such as paraffin) to make investment patterns; repeat the process of dipping refractory coating and sprinkling refractory sand on the investment pattern, harden the mold shell and dry; Melt th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/04B22C7/02B22C3/00
CPCB22C3/00B22C7/02B22C9/04
Inventor 陈建豪
Owner 元祥精密机电新沂有限公司