| 摘要 |
PROBLEM TO BE SOLVED: To realize the excellent corrective honing by stabilizing a honing heads with springs, and rotating them by an electric drill through a rod. SOLUTION: Contact pressure of the heads 3 are adjusted by springs 4 so as to be operated by an electric drill through a rod 1. Namely, a head main body 2 is screwed in by the rod 1, and three pairs of rod arms 5 and heads 3 are fitted. For the head 3, a head provided with the grinding stone or a head provided with wood (a material having hardness nearly equal to wood) and sandpaper are selectively used at need so as to excellently finish the inner wall of a cylinder. |
