| 摘要 |
PCT No. PCT/JP94/00540 Sec. 371 Date Sep. 19, 1995 Sec. 102(e) Date Sep. 19, 1995 PCT Filed Mar. 31, 1994 PCT Pub. No. WO94/22625 PCT Pub. Date Oct. 13, 1994There is provided a method of working a crankshaft wherein a first cutter for simultaneously working an outer peripheral surface of a pin or journal of the crankshaft and a side surface of a counter weight disposed adjacent to the outer peripheral surface is mounted to one of two cutter heads of a crankshaft mill. A second cutter is provided for forming an R groove on the pin or journal. The second cutter is mounted to the other one of the cutter heads. The outer peripheral surfaces of the pin or the journal and the side surface of the counter weight adjacent to the outer peripheral surface are simultaneously worked by the first cutter, and thereafter, the R groove is formed on the pin or the journal by the second cutter. |
