Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

Manufacturing method for high-strength valve body

A manufacturing method and high-strength technology, applied in the direction of manufacturing tools, casting molding equipment, process efficiency improvement, etc., can solve the problems of high strength, low strength, poor processing performance and corrosion resistance, etc., to improve mechanical strength, optimize Effect of manufacturing process and good corrosion resistance

Inactive Publication Date: 2017-10-17
YANGZHONG FIRST BUTTERFLY VALVE FACTORY
View PDF6 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary materials, good corrosion resistance, low strength; high strength, poor processing performance and corrosion resistance

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] The present invention will be further described below in conjunction with specific embodiment:

[0023] A method for manufacturing a high-strength valve body, comprising the following steps:

[0024] (1) Make a mold according to the shape of the hydraulic valve body, and coat the inner wall of the mold with paint; the material for making the mold is a resin sand core, and the resin core sand includes the following components in parts by mass: Quartz sand: 70~ 80 parts, phenolic furan resin sand: 3-5 parts, toluenesulfonic acid alcohol: 20-30 parts, KH550 coupling agent: 2-4 parts; the coating on the inner wall of the mold includes the following components in parts by mass: zircon Powder: 90-93 parts, phenolic resin: 2-4 parts, organic bentonite: 1.5-2.5 parts, composite iron-titanium: 0.2-0.6 parts, titanium dioxide: 0.5-1 parts, tetra-n-butyl titanate: 1-2 parts .

[0025] (2) Smelting the casting raw material of the corrosion-resistant copper alloy valve body to obt...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a manufacturing method for a high-strength valve body. The manufacturing method for the high-strength valve body comprises the following steps of mold making, smelting, pouring, softening annealing, mechanical machining, heat treatment, passivation treatment and phosphating treatment. According to the manufacturing method for the high-strength valve body, the proportion of raw materials is reasonable, the manufacturing technology is optimized, so that the mechanical strength of the valve body is greatly improved, and meanwhile, the valve body has excellent corrosion resistance, the quality of the valve body is ensured, and the service life of the valve body is effectively prolonged.

Description

technical field [0001] The invention relates to a manufacturing process of a valve body, in particular to a manufacturing method of a high-strength valve body. Background technique [0002] The valve body is a major part of the valve, which can effectively withstand the medium pressure after forming a seal with the valve core and the valve seat sealing ring. The material of the valve body is selected according to different process media. According to the material, it can be divided into cast iron valve body, carbon steel valve body, copper alloy valve body and so on. Ordinary materials have good corrosion resistance but low strength; high strength has poor processability and corrosion resistance. Contents of the invention [0003] In order to overcome the deficiencies in the prior art, the invention provides a method for manufacturing a high-strength valve body. [0004] In order to solve the above technical problems, the present invention adopts the following technical...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B22C9/22C21D1/18C21D9/00C21D1/32B22C3/00B22C1/00C23C22/40C23C22/07C22C38/02C22C38/04C22C38/52C22C38/46C22C38/44C22C38/42C22C38/06C22C38/54C22C38/60C22C38/50
CPCB22C1/00B22C3/00B22C9/22C21D1/18C21D1/32C21D9/00C22C38/002C22C38/008C22C38/02C22C38/04C22C38/06C22C38/42C22C38/44C22C38/46C22C38/50C22C38/52C22C38/54C22C38/60C23C22/07C23C22/40Y02P10/20
Inventor 许瑞华
Owner YANGZHONG FIRST BUTTERFLY VALVE FACTORY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com