As a new product of the "T-CBN tool material" for sintered metal processing tools, Tungaloy (headquarters: Kawasaki City) has introduced the "BX470" for finishing finish processing. Among them, the content of cBN (cubic boron nitride) is as high as 95.1%, and it is the "highest in the world" (the company) in practical materials, and has high defect resistance. On the other hand, the average particle size of cBN is only 1.5 μm, which is also a major feature. The price is from 5072 to 6825 yen (including tax).

In general, in the processing of sintered metal parts, when the sharpness is reduced or the burr height is increased or the direction of the burr is changed, it is judged that the tool life has come. In order to extend the life, it is necessary to reduce the wear of the cutter head due to machining. BX470 can reduce the wear of cBN particles by finely controlling the bonding of cBN ceramic binder, so that the cutter head remains sharp.

Coal-based Powdered Activated Carbon

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