Shoe holder, shoe holder mounting structure, shoe holder replacement device, centerless inner surface grinding machine, and shoe holder replacement method

摘要

PROBLEM TO BE SOLVED: To reduce a shoe holder replacement time in a centerless inner surface grinding machine. SOLUTION: A shoe main body 20 is provided with a holder main body 21 having a substantially L-shape having a pair of sides perpendicular to each other and having a long hole 21a at each end, and a work W is provided on a pair of sides of the holder main body 21. A pair of shoes 22 that support the centerless state is provided. Then, the holder body 21 is provided with a cylindrical handling part 23 that can be gripped by a handling arm. [Selection diagram] Figure 1A