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US 6,306,467 B1Granted
Method of solid free form fabrication of objects
AssigneeFord Global Technologies, LLC
InventorsDawn Roberta White, Daniel Edward Wilkosz, Sankaran Subramaniam
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Abstract
A method of solid free form fabrication of an object includes the steps of providing a substrate, forming a plurality of molten droplets, and spraying the molten droplets upward against the substrate to form a net shape object.
Claims20
A method of solid free form fabrication of an object comprising the steps of:
- providing a substrate;
- forming a plurality of molten droplets;
- and
- spraying the molten droplets upward and moving the molten droplets upward against gravitational forces and surface tension forces on the molten droplets to impinge against a surface of the substrate and allowing gravity to pull downward on the molten droplets to elongate the molten droplets as the molten droplets solidify to form a net shape deposit to produce a completed object.
1 more element
A method of forming a spray formed tool comprising the steps of:
- providing a substrate;
- forming a plurality of molten droplets;
- spraying the molten droplets upward and moving the molten droplets upward against gravitational forces and surface tension forces on the molten droplets to impinge against a surface of the substrate;
- sequentially depositing the molten droplets on the substrate;
- and
- allowing the molten droplets to hang from the substrate with gravity acting downward to elongate the molten droplets as the molten droplets solidify to form a shaped tool.
3 more elements
A method of forming a spray formed tool comprising the steps of:
- providing a substrate;
- forming a plurality of molten metal droplets;
- generating electromagnetic forces on the molten metal droplets and moving the molten metal droplets upward against gravitational forces and surface tension forces on the molten droplets toward the substrate, impinging the molten metal droplets on the substrate and allowing gravity to pull downward on the molten metal droplets to elongate the molten metal droplets as the molten metal droplets solidify and producing pendant droplets to form a shaped structure.
Dependencies are inferred from the claim text.