| 摘要 |
<p>Screen printing device (2), comprising an endless printing belt (4) on which a web of material (12) can be fixed temporarily, a printing belt drive device (10), and a number of rotary stencils (16, 18) driven by stencil drive devices (20, 22), the printing belt drive device being coupled to the stencil drive devices at a predetermined angle presetting thereof for a synchronous movement thereof. The device (2) also has a signal generation device (24) which can produce a signal forming a measure for a displacement of the printing belt (4). One or more markings (32) are provided on or in the printing belt (4) and can be detected by detectors (34, 36) securely fixed at predetermined intervals. A comparison device (38) compares the signal coming from the signal generation device (24), during a displacement of a marking (32) on the printing belt (4) from one detector (34) to a next detector (36), with a predetermined reference signal (NREF), following which a correction device (28) adjusts the angle presetting of one or more stencils (18) on the basis of the comparison result of the comparison device (38). <IMAGE></p> |
