A Tungsten carbide milling cutter usually have the following parts as you may also find mostly on common milling cutter, but a Tungsten carbide cutter has at least a special cutting part made of Tungsten carbide for even harder work.

 

• The pitch refers to the angular distance between like or adjacent teeth.

 

• The pitch is determined by the number of teeth. The tooth face is the forward facing surface of the tooth that forms the cutting edge.

 

• The cutting edge is the angle on each tooth that performs the cutting.

 

• The land is the narrow surface behind the cutting edge on each tooth.

 

• The rake angle is the angle formed between the face of the tooth and the centerline of the cutter. The rake angle defines the cutting edge and provides a path for chips that are cut from the workpiece.

 

• The primary clearance angle is the angle of the land of each tooth measured from a line tangent to the centerline of the cutter at the cutting edge. This angle prevents each tooth from rubbing against the workpiece after it makes its cut.

 

• This angle defines the land of each tooth and provides additional clearance for passage of cutting oil and chips.

 

• The hole diameter determines the size of the arbor necessary to mount the milling cutter.

 

• Plain milling cutters that are more than 3/4 inch in width are usually made with spiral or helical teeth. A plain spiral-tooth milling cutter produces a better and smoother finish and requires less power to operate. A plain helical-tooth milling cutter is especially desirable when milling an uneven surface or one with holes in it.

 

 

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