WAVE END MILL

摘要

PURPOSE: A wave end mill is provided to obtain an enough space for discharging chips by forming an eccentric surface at the back of a land portion. CONSTITUTION: A wave end mill comprises a sank unit. The sank unit is supported to a tool holder. The wave end mill comprises a cutting unit extended from one end of the sank unit. The cutting unit comprises a plurality of flutes and blades(30). The flutes are formed along a rotary shaft of the end mill. The blades are formed by the flutes. The blades comprise a land portion and a cutting blade(32). Wave patterns are formed on an outer surface of the land portion. The cutting blade is formed at the front side of the land portion. The land portion comprises a constant width along an outer diameter of the blade. [Reference numerals] (AA) Rotary direction; (BB) Thickness of a land portion