Tungsten Carbide Cutting Tool Insert Shape

Generally the selection of the insert shape of a tungsten carbide cutting tool is depends on the work material, the required production rate and the condition of the machine tool. And the shape of a tungsten carbide insert is specified by the first letter of the insert designation, which include diamond, triangle ,square,octagon, round and trigon.



Furthermore, the shape of an insert largely determines the carbide tool ‘s strength, quantity of cutting edges and the total cost. It is claimed that when the insert becomes stronger and dissipates heat more rapidly as its included angle is increased, so there’s a trade-off between strength and versatility during the insert shape selection. For instance, round inserts is an ideal option for roughing operation considering it could offer maximum edge strength, while the square inserts are popular in general purpose due to its good edge strength and bunch of cutting edges.


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