新CIP法による両軸付ローラー形状品の作製

概要

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A New cold isostatic press (CIP) was applied for complex shape forming of the green compact of a roller shape with an axis. The new CIP comprises rubber mold having an inside space for filling powder, bendable pressure rubber which the rubber mold is fitted into, a case which the bendable pressure rubber is fitted into, a guide surface for pressure oil between the bendable pressure rubber and the case, and a supply channel of pressure oil which opens on a part of the guide surface which is opposite to an initial region of pressure. By using the new CIP air in powder is squeezed out not to give a bad influence on the course of pressure compacting. Results obtained by the epoch-making method of the new CIP were as follows. (1) The compact of the roller with an axis was formed on the condition that the hardness of the rubber mold was smaller than that of the pressure rubber. (2) The green density of the compact was uniform.
社団法人粉体粉末冶金協会の論文