| 摘要 |
PURPOSE: A roller device for shot blast is provided to prevent scratches on the surface of a sheet by preventing a shot ball from being fitted into the outer periphery of a transfer roller unit. CONSTITUTION: A roller device(1) for shot blast comprises a support(10), a rotary roller unit(20), and a transfer roller unit. The rotary roller unit is rotationally connected to the support. A plurality of transfer roller units is separately installed in the rotary roller unit. The transfer roller unit is mounted on both surfaces of the rotary roller unit. The plurality of transfer roller units rotates according to the rotation of the rotary roller unit, and moves a sheet. |
