| 摘要 |
Provided is a roller burnishing tool device (1) including a shank (2); a housing (3) connected to the shank, a connected position of the housing relative to the shank being adjustable; a roller support member (5) supported to be capable of rotating relative to the housing and attached to follow a movement of the housing in a case of adjusting the connected position; tapered rollers (51) supported by the roller support member; a mandrel (6) having a tapered portion (61b) matched with the tapered rollers and movable relative to the roller support member; and a tool diameter following mechanism (8) connecting the shank and the mandrel, having a lead groove (24) formed spirally in a front portion of the shank, a pin member (81) capable of moving along the lead groove, a pin member insertion hole (62b) formed in the mandrel to insert the pin member therein, and a biasing unit (82) biasing the mandrel forward. |
