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US 2008/0145158 A1Published application
Milling Cutter
OwnerChing-Ching Chen, Ta-Chi Huanginventors
Life of this patent
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Abstract
A milling cutter is used for processing a metal substrate and includes a handle and a cutting portion. The cutting portion extends outward from one end of the handle. The cutting portion includes at least two opposite spiral guiding grooves. A cutting knifes is provided on one side of the guiding groove. The cutting knife has a spiral angle with range between 35°˜45° and the cutting portion is coated with a coating layer on surface thereof. The surface hardness, lubrication and scouring removing ability are enhanced. The abrasion and heat pipe for the cutting knifes 23 and 24 can be eliminated.
Claims10
A milling cutter comprising:
- A milling cutter comprising:
- a handle;
- and
- a cutting portion extended outward from one end of the handle, the cutting portion comprising at least two opposite spiral guiding grooves, cutting knifes provided on one side of the guiding grooves, the cutting knife having a spiral angle with range between 40°˜45°, the cutting portion having two wing-shaped knifes at a distal end thereof, and the cutting portion being coated with a coating layer on surface thereof.
1 more element
Dependencies are inferred from the claim text.