The manufacturing industries have made many attempts to produce prototype tools using metal spraying techniques. These techniques have been employed commercially to make tools from low melting point metal alloys by spraying onto a suitable shaped former. Up to the present time the manufacture of tools involving spray forming of tool steels has failed due to tool distortion resulting from solidification shrinkage and residual stresses. This paper describes a new metal spraying technique in which a layers of tool steel are deposited on a former whilst simultaneously being peened. This new technique, which has been named Simultaneous Spray Peening (SSP), allows an undistorted tool steel replicas to be manufactured by spraying onto a metal or ceramic pattern. Examples of tools produced by the SSP technique are discussed in the paper.
The manufacture of tooling using simultaneous spray peening technology
Werkzeugherstellung durch simultane Metallspritz- und Verfestigungsstrahlentechnik
1994
8 Seiten, 4 Bilder, 2 Quellen
Aufsatz (Konferenz)
Englisch
The manufacture of tooling using simultaneous spray peening technology
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