END MILL HAVING ASYMMETRIC INDEX ANGLE ARRANGEMENT FOR MACHINING TITANIUM Russian patent published in 2018 - IPC B23C5/10

Abstract RU 2650019 C2

FIELD: tools.

SUBSTANCE: end mill (10) for machining titanium includes cutting portion (14) having blunt teeth alternating with flutes (22). Each flute (22) includes in order from cutting edge (30), rake surface (28), bending portion (38) with a concave shape, ejecting portion (36) with a convex shape and relief edge (32) of the tooth. Ejecting portion (36) with a convex shape has ejection height E, which is measured between the upper point of ejection portion (36) to an imaginary straight line, extending from the lowest point of adjacent bending portion (38) of flute (22) to adjacent relief edge (32) of the tooth. In the plane perpendicular to axis AR of rotation of end mill (10), ejection height E and diameter D_E satisfy the condition 0.010D_E<E <0.031D_E.

EFFECT: high resistance of the mill is achieved.

24 cl, 4 dwg, 2 tbl

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RU 2 650 019 C2

Authors

Budda, Eliyakhu

Khina, Aleksandr

Zekhavi, Gabbi

Dates

2018-04-06—Published

2014-01-16—Filed