Abstract
To investigate the influence of the WC and Co contents, the cutting of five kinds of cemented carbides was carried out with the PCD tool. Moreover, one of them was the cemented carbides whose binder was Ni, and the influence of the binder was also found out. The tool wear width and the cutting forces were measured, and the worn flank was observed. Summary of results are shown as follows. (1) It was found that the tool wear increased with increase of the Co content. (2) Not only the WC content but also the WC particle diameter influenced the tool life. (3) The adhesion could be found out in cutting every cemented carbides regardless of the content and composition. (4) The thrust forces were concerned with the flank wear.
