The integral body and the teeth are made in one piece.
The integral welding tooth is made of cemented carbide or other wear-resistant tool material and brazed to the body.
The insert teeth are fastened to the body by mechanical clamping. The replaceable teeth can be either the cutter head of the overall tool material or the cutter head of the welding tool material. The milling cutter with the cutter head mounted on the cutter body is called the internal sharpening type; the cutter head is separately sharpened on the clamp, which is called the external sharpening type.
Indexable (see indexable tool): This structure has been widely used in face milling cutters, end mills and three-sided milling cutters.
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