KROPP MED INVENDIGA KANALER OCH SETT ATT FRAMSTELLA DENSAMMA

摘要

The invention relates to a method of producing coolant channels in a metallic object such as a cutting tool whereby a blank is formed by at least one working step such as compaction etc and the channels are formed by cores whereby the working takes place as a compaction at a temperature of at least 950 DEG C and that the core thereafter is removed in a separate step.