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Broaches

Broach for MQL
Longer tool life New coating and high-grade broach material give longer tool life than with conventional wet broaching. Process reduction Newly developed proprietary chip suction equipment eliminates the use of a centrifugal oil remover. Chips do not have chlorine content and require special industrial waste disposal. Environmental improvement Only a small quantity of vegetable based oil or synthetic oil is used as fine mist, which is beneficial to the environment.

Hard Broach
Ultra-high-speed dry cutting High-speed dry cutting at a cutting speed of 80m/min High-efficiency Drastically improved efficiency compared with conventional cutting.

Off-normal Gullet Helical Broaches
High Stability The angular design of gullet provides the best balanced cutting. High accuracy Off-normal Gullet Helical Broach ensures accuracy of internal helical gears. Long Tool Life The angular design of gullet reduce a cutting force and realize a long tool life.

Fir - Tree Broaches
NACHI provide whole broaching system for Fir - Tree Broaches under many experience over half a century in this field. Fir - Tree Broach is used to create accurate form on turbine disk which is a one of the core technology for energy and propulsion.