| 摘要 |
PROBLEM TO BE SOLVED: To adjust an expansion force of each honing stone corresponding to a pulling-up force of each expansion cone shaft. SOLUTION: The honing tool head 10 has a main body part 24, a honing stone 26 for roughing work and a honing stone 28 for finishing work, and an expansion/contraction means. The expansion/contraction means is equipped with: grinding stone shoes 32 for roughing work mounted with the honing stone 26 for roughing work, and a tapered cone 36 for roughing work for pressing the grinding stone shoes 32; and grinding stone shoes 34 mounted with the honing stone 28 for finishing work, and a tapered cone 38 for finishing work for pressing the grinding stone shoes 34 for finishing work. The tapered cone 36 for roughing work has a long hole 46 facing tapered parts 38a, 38b of the tapered cone 38 for finishing work. COPYRIGHT: (C)2008,JPO&INPIT |
