Fabrication of tooling by thermal spraying

Details Fabrication of tooling by thermal spraying Fabrication of tooling by thermal spraying

1996-11-13

1998-10-06

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

164 46, 164 98, B29C 3338, C23C 412

Patent

active

058172670

ABSTRACT:
A method for fabricating a mold by providing a matrix having a shape to be molded, and spraying molten metal from a spray gun. The spray gun is moved so that the spray gun makes successive passes over the surface of the matrix in a movement direction, shifts in a step direction transverse to the movement direction between passes and turns between passes so that during at least some successive passes metal is deposited from two spray directions in a crisscross pattern. Metal is deposited on the matrix, forming a shell which is removed from the matrix and used as a mold.

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