| 摘要 |
A high speed turning tool comprises: (a) a generally cylindrical body having an axially extending bore, (b) multiple cutters at one end of the body and spaced about said axis, (c) each cutter having a front face and a cutting edge which extend in a generally radial axial plane, the cutter edges equally spaced about said axis, (d) each cutter having a back flank which extends at a relatively shallow angle from said edges and into proximity with the front face of the preceeding cutter and therewith define a first chip curl space, (e) there being additional and substantial chip curl space formed by the extension of said back flank into proximity to a body front face extending outwardly relative to said first curl space.
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