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Casting system and hearth and device matching same

A casting system, hearth technology, applied in the direction of equipment, furnaces, molds, etc. for feeding molten metal into molds

Active Publication Date: 2017-12-01
ATI PROPERTIES LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In other words, the casting rate may vary between molds in the casting system

Method used

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  • Casting system and hearth and device matching same
  • Casting system and hearth and device matching same
  • Casting system and hearth and device matching same

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Embodiment Construction

[0035] The following non-limiting embodiments of casting systems according to the present disclosure, described below and illustrated in certain figures, incorporate one or more electron beam guns; however, it is understood that other melting power sources can be used as material heating means in casting systems . For example, the present disclosure also contemplates casting systems that utilize one or more plasma generating devices that generate energetic plasmas and heat metallic material within the casting system by exposing the material to the generated plasmas.

[0036] Cold bed casting systems, such as electron beam melting within a vacuum melting chamber, typically utilize a copper hearth that incorporates a fluid-based cooling system to limit the temperature of the hearth to temperatures below the melting temperature of the copper material. While water based cooling systems are most common, other systems such as argon or molten salt based cooling systems can be incorpo...

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Abstract

The invention relates to casting system and a hearth and device matching the same. The casting system may include an energy source and a hearth, which can have a tapered cavity. The tapered cavity can have a first end portion and a second end portion, and the tapered cavity can narrow between the first and second end portions. Further, the tapered cavity can have an inlet at the first end portion that defines an inlet capacity, and one or more outlets at the second end portion that define an outlet capacity. Where the cavity has a single outlet, the outlet capacity can be less than the inlet capacity. Where the cavity has multiple outlets, the combined outlet capacity can match the inlet capacity. Further, the cross-sectional area of the tapered cavity near the inlet can be similar to the cross-sectional area of the inlet.

Description

[0001] This application is a divisional application of the invention patent application with the application date of January 6, 2014, application number 201480002830.6, and the name "casting system with conical hearth". technical field [0002] The present disclosure generally relates to systems, methods, tools, techniques and strategies for casting molten materials. Background technique [0003] For example, casting of certain ingots of titanium alloys and certain other high performance alloys can be expensive and procedurally difficult given the extreme conditions that exist during production and the nature of the materials included in the alloys. For example, in many currently available cold bed casting systems, such as plasma arc melting in an inert atmosphere and electron beam melting in a vacuum melting chamber, the casting system can be used to melt and mix various reused scrap, master alloy and Various other starting materials to produce the desired alloy. Casting s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/04B22D11/103B22D11/116B22D35/04B22D41/00F27B3/10F27B3/12F27B3/18F27B3/19F27B3/24F27D3/14F27D9/00
CPCB22D11/0403B22D11/103B22D11/116B22D35/04B22D41/00F27B3/10F27B3/12F27B3/18F27B3/19F27B3/24F27D3/14F27D9/00F27D2009/0002F27B3/14B22D11/00C22B9/22B22C9/08
Inventor 埃文·H·科普兰马修·J·阿诺德拉梅什·S·米尼桑德拉姆
Owner ATI PROPERTIES LLC