| 摘要 |
PROBLEM TO BE SOLVED: To provide a centering device capable of precisely centering an annular member. SOLUTION: An insert ring 7 is set to an opening end of a groove hole 5a of a centering mother tube 5 periphery, after positioned to the opening end of the groove hole 5a by a taper face of an actuation part of a device main body 11 tip of a centering device, by pulling up a handle 17, an actuation shoe 19 is moved in the direction approaching to the actuation part 11b, the plate 21 arranged between these is moved along guides 111, 191 in the direction orthogonal to the axial direction of an actuation bar 12 and is abutted on the inner peripheral face of the groove hole 5a, the centering for the insert ring 7, which is positioned to the opening end of the groove hole 5a, is executed. |
