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Broaches

Broach for MQL
Dual Cut Hob Both dry hobbing, which solve environmental problem and conventional wet hobbing are available. For Dry and Wet Hobbing In dry hobbing, cutting speed can be changed faster than that in conventional wet cutting, and tool life is longer as well. Long Tool Life in Wet Hobbing Even if wet hobbing, higher cutting speed and longer tool life are achieved.

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.