Indexable cutting insert

Details Indexable cutting insert Indexable cutting insert

B - Operations, Transporting

23

B

29/45

B23B 27/14 (2006.01) B23C 5/06 (2006.01)

Patent

CA 1299852

Abstract The invention relates to an indexable cutting insert for face milling of engine blocks of cast iron. The insert (10) has a free surface (16) and a clearance surface (13A) and a cutting edge extending peripherally about the insert. The corners of the insert have a relatively large radius and therefore the setting angle gets close to zero degrees during machining of the engine block when the insert gets close to the border line of the work piece. The free surface (16) and the clearance surface (13A) enclose an acute angle and therefore the insert has a positive cutting geometry. A land (18) is provided between the the free surface (16) and the cutting edge (19). The land (18) has a width increasing towards each insert corner. (Fig. 3)

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