| 摘要 |
<p>An offset printing device is provided with a trestle, a guide rail provided on the trestle, a plurality of guide blocks provided on the guide rail, plate tables which move with a part of the plurality of guide blocks, print target tables which move with another part of the plurality of guide blocks, and a blanket roll provided above the trestle; wherein the blanket roll is sequentially brought into contact with plates held by the plate tables and print targets held by the print target table from above to perform transfer from the plates to the blanket roll and retransfer from the blanket roll to the print targets; a portion of the upper surface of the trestle where the guide rail is arranged is provided with a step portion for positioning configured by a vertical surface formed by machining to have higher linearity, and a horizontal surface; and a side surface and the bottom surface of the guide rail are abutted and secured on the vertical surface and the horizontal surface of the step portion, respectively.</p> |
