204 Каталог KYOCERA 2014 Металлорежущий инструмент для точения сверления фрезерования Стр.E14

Каталог KYOCERA 2014 Металлорежущий инструмент Стр. E14 0204 ENG Lab2u

Small Tools Toolholders for Back Turning (TKFB Insert) Variation of Cutting Dia. (Transfer of Cutting Edge) f ( mm/rev ) Cutting Condition Vc = 80 m/min ap = 1mm f = 0.03 0.12 mm/rev WET S45C Comparison of surface finish Cutting Conditions Vc = 80 m/min ap = 1mm WET(oil-base) S45C How to select back turning toolholder hand Right-hand n Guide bush 1- Cutting near the guide bush is possible Narrow cutting edge width of TKFB12R15005M Optimum for small parts and high precision cutting Left-hand The workpiece contact the guid n Guide bush urr do e bush. s not burrs s' a Cutting with a distance from guide bush Good chip control due to large space between the guide bush and the tool. Excellent chip control in roughing and finishing (plural passes) Stable accuracy of external diameter dimension When burrs occur, if a Left-hand toolholder is used, it is not necessary to return workpiece into guide bush in finishing. Also, Left-hand toolholders prevent guide bush wear caused by chip biting. Workpiece movement and tool hand selection In roughing and finishing Good dimension accuracy If a Left-hand toolholder is used, burrs on workpiece generated in roughing do not damage the guide bush in finishing. E14