| 摘要 |
Rotary cutting tool with detachable cutting blades of the type consisting of a stack of metallic discs threaded onto a shaft (2,21), the said discs consisting of peripheral cut- outs. The juxtaposition of the cut-outs of the discs determines one or more reception throats for the cutting blade. It is characterised in that the metallic discs (3,20) are obtained by pressure casting.
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