Mitsubishi materials for processing new sintered CBN materials

Mitsubishi Materials (Headquarters: Tokyo) has launched a new CBN (Cubic Boron Nitride) material "MB4020" for processing sintered alloys. Compared with the conventional CBN materials, the content of cBN particles is increased, and the bonding between the particles is promoted, thereby achieving excellent wear resistance and defect resistance. It can be used to process a variety of sintered alloys with different hardness, strength and structure.

By increasing the chemically stable CBN content, the material to be cut is not easily welded to the cutting edge of the tool during the machining process, and the machining dimensional accuracy of the workpiece is relatively stable. In addition, the bonding between CBN particles is enhanced by the newly developed special adhesive. In this way, the edge toughness is improved. In the processing of sintered alloys that require suppression of burrs and plastic flow, a sharper blade shape can be selected, thereby improving the accuracy of the workpiece.

The cutter head has two types of "FS" for general purpose and "TS" for intermittent processing. In terms of price, the square diameter of the inner diameter is 12.7mm and the cutting edge angle is 80° (the back angle is zero). The blade "NP-CNGA120404FS2" is 5072 yen (including tax, cutting technology website note: about 364 yuan) ).

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