Общий каталог Tungaloy 2020 - 2021 - страница 1616

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Name o f tools parts

End cutting edge angle Indexable Shank inserts Rake face Side relief angle Corner

Side rake radius Side cutting

angle edge angle Cutting edge End cutting edge inclination (Minor cutting edge) Overall length Shim

End relief face height Corner (Nose) Side relief

Cutting edge face Side cutting edge

Front relief angle (Major cutting edge) Shank height Relating angles between tool and workpiece ap … Depth of cut (Distance between work surface and machined

Machined surface surface) ae … Length of cutting edge engaging in cutting. f k … Cutting edge angle (Angle to be made by cutting edge and work surface) a f … Feed per revolution p a e h … Thickness to be cut per revolution k Work surface Machined surface … Workpiece surface after having machined. h Work surface … Workpiece surface to be cut.

Eff ect of side cutting edge angle

015°30°
In the cutting of same feed, as the side cutting edge angle
increases, the chip thickness decreases.

h0 h1 h2

Eff ects of tool geometry on cutting phenomena

Honing

TAC indexable inserts of steel cutting grades are honed. Honing specifi cations are shown in the following table. Edge condition Shape Sharp edge Round honing Chamfered honing

Phenomena IncreasingFlank wearCrater wearEdge strengthCutting forceSurface fi nishChatteringCutting edge temperatureChip shape and fl ow
Cutting edge inclination–DecreaseLowerRadial force decrease–Less tendencyLowerEffect on fl ow direction
Side rake angle–DecreaseLowerDecrease––LowerEffect on shape
Relief angleDecrease–LowerDecrease–Likely to occurLower–
End cutting edge angleDecrease–LowerRadial force decreaseRoughenLess tendencyLower–
Side cutting edge angleDecreaseDecreaseIncreaseRadial force decrease–Likely to occurIncreaseDecrease thickness
Nose radiusDecrease tosome levelIncreaseIncreaseImproveLikely to occurIncreaseEffect on fl ow direction
Honing widthIncrease–IncreaseIncrease–Likely to occurIncrease–