Material receiving disc for directional solidification crystallization furnace and manufacturing method of material receiving disc

A technology of directional solidification and receiving trays, which is applied in the direction of manufacturing tools, casting equipment, casting molding equipment, etc., can solve the problems of burns on furnace walls and other parts of equipment, reduced vacuuming capacity of directional furnaces, and easy generation of splashes, etc., to achieve improved The effect of service life and equipment utilization, easy cleaning, and low cost

Active Publication Date: 2021-10-01
AECC AVIATION POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are unavoidable problems in the actual production process: during the pouring process, the molten metal is prone to splash after contact with the sprue cup, material leakage caused by quality problems of the mold shell and material leakage caused by uneven contact between the crystallizer and the mold shell, etc. , Th

Method used

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  • Material receiving disc for directional solidification crystallization furnace and manufacturing method of material receiving disc
  • Material receiving disc for directional solidification crystallization furnace and manufacturing method of material receiving disc
  • Material receiving disc for directional solidification crystallization furnace and manufacturing method of material receiving disc

Examples

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Effect test

Example Embodiment

[0058] Example 1:

[0059] The chemical component of the alloy material used in a high pressure turbine working blade is a Ni content of 60%, a CO content of 10.5%, a Cr content of 9.3%, and the remaining element content is 20.2%. In the actual casting process, it is easy to splash, and the 100-group mode shell is used as an example, wherein the casting equipment is 1%, the clamping rate is 15%.

[0060] The corresponding reference disc is prepared by adopting the refryrometer design method of the invention. The angle σ1 is 120 ° between the side walls of the side of the refryrometer, and the upper end surface of the bottom end surface of the reference disk main body is 547 mm, the bottom of the front end surface of the reference disk main body is 547 mm. The outer wall surface outer diameter D3 is 470 mm, and the upper end surface of the front surface to the bottom of the bottom portion of the bottom portion is 67.4 mm. A copper prepared for a thickness of 5 mm is selected, and t...

Example Embodiment

[0061] Example 2:

[0062] The chemical component of the alloy material used in a high pressure turbine guide blade is 52.1%, the Ni content of 11.5%, and the CR content is 26.5%, and the remaining element content is 9.9%. In the actual casting process, it is easy to splash, and the 50-group mode shell is used as an example, wherein the casting equipment is 1%, the clamping rate is 24.5%.

[0063] The corresponding reference disc is prepared by adopting the refryrometer design method of the invention. The angle σ1 between the side walls of the refryrometer main body and the upper inner wall of the bottom portion of the refrigerator are 110 °, and the top end surface of the front end surface of the refrigerator D1 is 500 mm, the bottom of the main body of the reference tray. The outer wall plane outer diameter D3 is 450 mm, and the upper end surface of the front surface to the bottom of the surface of the refryrometer is 68.7 mm. A copper prepared for a thickness of 5 mm is selecte...

Example Embodiment

[0064] Example 3:

[0065] The chemical component of the alloy material used in the first-order turbine working blade casting is 63.5%, CO content of 8.0%, CR content of 7.1%, and the remaining element content is 21.4%. In the actual casting process, it is easy to splash, and the 100-group mode shell is used as an example, wherein the casting equipment is 1%, the clamping rate is 15%.

[0066] The corresponding reference disc is prepared by adopting the refryrometer design method of the invention. The angle σ1 between the side inner wall of the refryrometer is selected from the side of the side inner wall and the bottom inner wall of the refrigerator body, and the maximum outer end surface of the front end surface of the refrigerator is 525 mm, the bottom of the main body of the refrigerator. The outer wall surface outer diameter D3 is 460 mm, and the upper end surface of the front surface to the bottom of the bottom portion of the bottom surface is 69.2 mm. A copper prepared for ...

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Abstract

The invention discloses a material receiving disc for a directional solidification crystallization furnace. The material receiving disc comprises a material receiving disc body with an opening in the top, the surface of the bottom of the material receiving disc body is of an annular structure, a first connecting hole is formed in the inner circle of the material receiving disc body, and a connecting column is coaxially arranged on the first connecting hole; and the connecting column body is integrally connected to the inner wall of the bottom of the material receiving disc body, the connecting column body is of a hollow cavity structure, a second connecting hole is formed in the wall face of the top of the connecting column body, and the second connecting hole and the first connecting hole are coaxially arranged. According to the material receiving disc for the directional solidification crystallization furnace, the repair cost is saved, the design is simple and effective, the cost is low, the material receiving disc is suitable for application and popularization in the investment casting industry, and the problem of unpredictable risk caused by damage caused by molten metal splashing can be solved.

Description

technical field [0001] The invention belongs to the technical field of directional crystallization furnaces, in particular to a receiving pan for a directional solidification crystallization furnace and a manufacturing method thereof. Background technique [0002] With the development of aero-engines and gas turbines, the performance requirements are gradually increasing, and the requirements for investment casting technology are also increasing. The directional solidification technology is gradually established and perfected. The development of this technology is mainly to improve The thermal shock resistance, fatigue life, creep, etc. of the blades can further improve the service life and temperature of the blades, so as to improve the overall performance of the engine. [0003] To realize the directional solidification process, it must be guaranteed by corresponding equipment. The directional solidification crystallization furnace is the key equipment to realize direction...

Claims

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Application Information

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IPC IPC(8): B22D45/00B22C9/04B22D27/04C22C19/05C22C19/07
CPCB22D45/00B22C9/04B22D27/045C22C19/05C22C19/07
Inventor 王继龙马李朝任翠东许言杨瑞琪董伟陈波陈杰
Owner AECC AVIATION POWER CO LTD
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