METHOD FOR PRECISION-CASTING METALLIC MOLDED PARTS AND DEVICE THEREFOR
First Claim
1. Method for precision-casting a metallic molded part or several metallic molded parts preferably of equal dimensions, in which method a metallic melt is poured into a ceramic casting mold, with the metallic melt being left to freeze thereafter, characterized in that the poured melt is cooled in an intensified manner with a pressure being exerted on the melt, whereby the pressure is exerted and the intensified cooling is carried out at least until the dimensional stability of the freezing molded part or molded parts.
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Abstract
The invention relates to a method for precision-casting a metallic molded part or several metallic molded parts preferably of equal dimensions, in which method a metallic melt is poured into a ceramic casting mold, with the metallic melt being left to freeze thereafter. In order to achieve a void-free structure, in particular even with an intensified cooling of the melt during the freezing, it is suggested according to the invention to cool the poured melt in an intensified manner with a pressure being exerted on the melt, whereby exertion of pressure and intensified cooling are maintained at least until the dimensional stability of the freezing molded part or molded parts. The invention further relates to a device for precision-casting a metallic molded part or several metallic molded parts of equal dimensions.
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18 Claims
- 1. Method for precision-casting a metallic molded part or several metallic molded parts preferably of equal dimensions, in which method a metallic melt is poured into a ceramic casting mold, with the metallic melt being left to freeze thereafter, characterized in that the poured melt is cooled in an intensified manner with a pressure being exerted on the melt, whereby the pressure is exerted and the intensified cooling is carried out at least until the dimensional stability of the freezing molded part or molded parts.
- 15. Device for precision-casting a metallic molded part or several metallic molded parts preferably of equal dimensions, comprising a ceramic casting mold and a melt container via which metallic melt can be inserted into the casting mold, as well as a cooling device for the casting mold, characterized in that the cooling device is housed in a pressure-resistant chamber.
Specification