| 摘要 |
A rotary indexing mechanism for a screen printing machine including a carousel which includes a multiple armed fixed frame and a multiple armed movable frame mounted to rotate relative thereto, a plurality of print heads mounted to one of the frame and a plurality of screen platens mounted to the other of the frame. The rotary indexing mechanism includes a coupling member mounted for reciprocatory rotary motion, and including an actuator operable to operate the movable frame during a selected portion of the reciprocatory rotary motion, a drive including a linear actuator for effecting the reciprocatory rotary motion, a transmission mechanism operatively connecting the drive to the coupling member and, a damper mounted so as to oppose the reciprocatory rotary motion of the coupling member.
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