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Cutting Tools

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Broaches

Broach for MQL

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.

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Hard Broach

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.

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Off-normal Gullet Helical Broaches

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.

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Fir - Tree Broaches

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.

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