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7Applications

7.15 Synchronous drive of squeegees

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Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23

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7.15 Synchronous drive of squeegees

Synchronous drives are part of the production process of continuous material which is produced or

refined at a high speed. At the starting and end point of these systems they are often combined with

winding drives. Alternatively also cross cutters and flying saws can separate the material at the end

of a production line and thus provide the transition from continuous production to a quickly clocked

job production. In production lines the synchronous drives are the most important drives, since they

control the material flow and therefore the machining process.

A synchronous drive with squeegees consists of an upper roll (W

2) and a lower roll (W1). The drive is

solely actuated via the lower roll (W

1).

The material flow can be gathered from the following drawing. Since the rolls can have different

surfaces, this has to be taken into consideration in the different lever arms of the rolling friction (f

and f2).

Application examples

• Production, refinement of paper or film webs

• Production and refinement of textile webs

• Rolling of slabs, plates

• Rolling, annealing, and refinement of metal plates

• Wire drawing machines

• Printing of paper or film webs, textiles

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