Apparatus for casting a mold

Patent metadata

Field	Value
Publication number	US-11123790-B2
Application number	US-201815996038-A
Country	US
Kind code	B2
Filing date	Jun 1, 2018
Priority date	Oct 16, 2017
Publication date	Sep 21, 2021
Grant date	Sep 21, 2021

Abstract

An apparatus for casting a part that includes a first housing, a second housing, a handling system and a cooling apparatus. The first housing defines a first chamber. The first chamber is configured to receive a melt heater and a mold heater. The second housing is configured to move between a first position and a second position such that when the second housing is in the first position, the first housing is open such that a mold can be inserted therein and when the second housing is in the second position, the second housing and the first housing define a second chamber. The cooling apparatus is configured to be positioned within the second chamber.

First claim

What is claimed is:

1. An apparatus for casting a part, the apparatus comprising:
a first housing that defines a first chamber and the first chamber is configured to receive a melt heater and a mold heater;
a second housing that defines a second chamber, the second housing being configured to move between a first position and a second position such that when the second housing is in the first position, the first housing is open to the atmosphere and configured to have a mold inserted therein and the second housing is open to the atmosphere and when the second housing is in the second position, the second housing and the first housing cooperatively define a third chamber that encompasses the first and second chambers that together define an open volume within the first and second housings, the third chamber being closed to the atmosphere and configured to function both as a melting chamber and a mold chamber;
a handling system;
a lift supporting the second housing and operable to move the second housing between the first position and the second position; and
a means for cooling configured to be positioned within the third chamber.

2. The apparatus according to claim 1 , wherein the means for cooling is positioned within the second housing.

3. The apparatus according to claim 2 , wherein the melt heater is a bottom pour skull melt heater.

4. The apparatus according to claim 1 , wherein the mold heater is configured to be exposed to oxygen when heated to a predetermined temperature.

5. The apparatus according to claim 1 , wherein the mold heater includes at least one molybdenum disilicide heating element.

6. The apparatus according to claim 5 , wherein the predetermined temperature is greater than 2200° F.

7. The apparatus according to claim 6 , wherein the predetermined temperature is 2200° F. to 2800° F.

8. The apparatus according to claim 1 , further comprising an inert gas accumulator is fluidly connected to the first chamber.

9. The apparatus according to claim 8 , wherein the inert gas accumulator is charged with one of the following: argon, air, nitrogen, helium, hydrogen, and a combination thereof.

10. The apparatus according to claim 9 , wherein the inert gas accumulator is charged with argon.

11. The apparatus according to claim 1 , wherein the handling system includes a mold holder that is configured to receive a mold.

12. The apparatus according to claim 11 , wherein the handling system is configured to move the mold between the mold heater and the means for cooling.

13. The apparatus according to claim 1 , wherein the means for cooling is a liquid metal bath.

14. The apparatus according to claim 13 , wherein the liquid metal bath is tin.

15. The apparatus according to claim 1 , wherein the means for cooling is radiation cooling.

16. The apparatus according to claim 1 , wherein the means for cooling is forced gas cooling.

17. The apparatus according to claim 1 , wherein the means for cooling is fluidized bed cooling.

Assignees

• Gen Electric

Inventors

• Przeslawski Brian David
• Lynn Gary Lee
• Hanslits Christoper Raymond
• Konitzer Douglas G

Classifications

• B22D27/045 Primary

  Directionally solidified castings · CPC title

• B22D27/15

  by using vacuum · CPC title

• B22D27/13

  making use of gas pressure · CPC title

• B22D27/06

  Heating the top discard of ingots (hot tops for ingot moulds B22D7/10) · CPC title

• B22C9/08 Primary

  Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates · CPC title