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78A0406M valve body and processing technology thereof

A processing technology and valve body technology, which is applied in the field of 78A0406M valve body and its processing technology, can solve problems such as difficult and accurate positioning, complicated assembly of sand cores, and complex abortion of multi-way valve bodies.

Active Publication Date: 2018-08-17
南通华东油压科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The internal flow of the multi-way valve body is complicated, the assembly of the sand core is relatively complicated, it is not easy to locate accurately, the manufactured sand core is easy to deform and break, and it is difficult to ensure the dimensional accuracy of the flow channel

Method used

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  • 78A0406M valve body and processing technology thereof
  • 78A0406M valve body and processing technology thereof
  • 78A0406M valve body and processing technology thereof

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Embodiment Construction

[0059] Such as Figure 1-11, a 78A0406M valve body, characterized in that: it includes a valve body; the valve body is designed in a block shape, five flow channel openings are designed in front of the valve body, and two flow channel openings are arranged longitudinally on the left side of the valve body; There are three runner ports arranged longitudinally on the right side of the valve body; one runner port is designed on the top of the valve body; three runner ports are arranged horizontally on the bottom surface of the valve body; seven runner ports are designed on the back of the valve body; There are four horizontal main flow channels, twelve longitudinal flow channels and four vertical flow channels inside the valve body. side and seven longitudinal passages arranged longitudinally on the rear side of the valve body, the four vertical passages include one vertically arranged above the valve body and three vertically arranged below the valve body, and the three vertical...

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Abstract

The invention relates to a 78A0406M valve body and a processing technology thereof. A precoated sand shell making technology is adopted to produce a pouring mold, and thus the size accuracy of a runner is ensured; a sand core is placed in the pouring mold to be assembled, and thus assembly and positioning accuracy of the sand core are ensured; and exhaust vents of the sand core are completely guided out through steel wires, the steel wires are pulled out after a base model is produced, smoothness of air vents is guaranteed, meanwhile, the sand core strength is enhanced through steel wire liners, stable molding of the sand core is ensured, and the sand core is not prone to deforming and fracturing.

Description

technical field [0001] The invention relates to the field of valve body casting, in particular to a 78A0406M valve body and its processing technology. Background technique [0002] The internal flow of the multi-way valve body is complicated, the assembly of the sand core is relatively complicated, it is not easy to locate accurately, the manufactured sand core is easy to deform and break, and it is difficult to ensure the dimensional accuracy of the flow channel. Contents of the invention [0003] In order to solve the above problems, the present invention proposes a 78A0406M valve body and its processing technology. The assembly and positioning of the sand core is accurate, the sand core is stable, and the size of the flow channel is accurate. [0004] Technical scheme of the present invention: [0005] A 78A0406M valve body, characterized in that: it includes a valve body; the valve body is designed in a block shape, five flow channel ports are designed in front of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/02B22C9/10B22C9/24F16K27/00
CPCF16K27/00B22C9/02B22C9/10B22C9/24
Inventor 丁洋范伟伟
Owner 南通华东油压科技有限公司
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