Supercharge Your Innovation With Domain-Expert AI Agents!

Method for manufacturing commutating support plate shaped shell of accurate casting heavy type combustion turbine

A technology of gas turbines and rectifying struts, which is applied to casting molding equipment, casting molds, and casting mold components. It can solve the problems of large size, many casting hot spots, and economic losses, and achieve high yield, reasonable strength, and good yield. sexual effect

Inactive Publication Date: 2007-10-31
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
View PDF0 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the shape of rectifier support plate is complex, the size is large, the casting is heavy, there are many casting hot spots, and there are restrictions on equipment melting, so the difficulty of combination design and casting process is increased.
The research on the casting process is very necessary. If the casting process parameters are not correct, it will lead to metallurgical defects and make the casting scrapped. If it is produced blindly, it will cause great economic losses.

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for manufacturing commutating support plate shaped shell of accurate casting heavy type combustion turbine
  • Method for manufacturing commutating support plate shaped shell of accurate casting heavy type combustion turbine
  • Method for manufacturing commutating support plate shaped shell of accurate casting heavy type combustion turbine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] First, computer Ug modeling is carried out according to the technical requirements of the drawings (see Figure 1), and then the software design of the wax pattern combination and the location of the pouring system is carried out. Then, use computer simulation to verify whether the software design is reasonable, after simulation, repeated adjustments to determine the best process parameters. Finally, determine the combination scheme of the wax model and the pouring system (see Figure 2). Formwork manufacture is carried out from this combined solution.

[0023] A shell process:

[0024] Coating process flow: see Table 1

[0025] level

slurry viscosity

(second)

dry time

(Hour)

drying time

(Hour)

Material

granularity

level one

30

12

-

Corundum sand

80 mesh

Second floor

11

6

-

Corundum sand

the third floor

10

-

6

Corundum ...

Embodiment 2

[0033] The difference from Example 1 is that the coating process is shown in Table 3, the firing process is 300-500°C for 5 hours, and 930±10°C for 2 hours.

[0034] level

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 fine casting heavy combustion gas turbine rectifying bracket comprises the shell formulation using 80-100 fused alumina plate or 16-24 coal gangue and silicasol formed serum of various viscosity, coating wax mold with the sand serum, controlling the total layer within 12-14, dipping it with silicone grease, dewaxing with pressure of 0. 5-0. 7MPa, temperature 150-170deg.C for 6-10 minutes, baking in 300-500deg.C for 4-5 hours, 930+-10deg.C for 4 hours. It has high yield rate.

Description

Technical field: [0001] The invention relates to the manufacturing technology of a heavy-duty gas turbine straightening strut, and in particular provides a manufacturing method of a precision casting heavy-duty gas turbine straightening strut shell. Background technique: [0002] The rectifying strut is one of the main components of heavy-duty gas turbine engines and plays a very important role in gas turbines. It is usually vacuum casted with K4191 alloy. Because the shape of the rectifier support plate is complex, the size is large, the casting is heavy, the casting hot spots are many, and there are restrictions on equipment melting, so the difficulty of combination design and casting process is increased. The research on the casting process is very necessary. If the casting process parameters are not correct, it will lead to metallurgical defects and make the casting scrapped. If it is produced blindly, it will cause great economic losses. The shell manufacturing process...

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): B22C9/00
Inventor 孙革韩红邹建波孙国义刘一鸣司连友程宜轩
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com