System information

Function

A wide band sensor detects the current web position of the single faced corrugated board web. The position controller compares the target and actual value and outputs a corresponding corrective signal to the control roller, in order to regulate the web towards the web center. Skewed positioning of the control roll initiates a correction of the single faced corrugated board web.

Area of use

In the corrugated board system, on the bridge

Application

On the bridge, directly after the loop storage

Legend

A = Web tension distribution at infeed | B = Web tension distribution at outfeed | K = Correction angle max. ±5° | σ1 = Basic web tension | σ2 = Tension distribution through swing movement of the roller frame at the infeed | σ3 = Tension distribution through swing movement of the roller frame at the outfeed | 1 = Pivot point | 2 = Infeed roller | 3 = Roller frame | 4 = Sensor | 5 = Fixing roller | LÜ = Transfer length | L1 = Infeed path | L2 = Outfeed path | AB = Operating width

Web guiding systems

Bridge web guiding system CorrAligner

Automatic alignment of one-sided webs at the laminating point in the double backer

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System components

Infrared wide band sensor FE 45

Digital infrared wide band sensor for web center detection, web edge detection, and width measurement with a tube distance (clear width) of 80 mm

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Data network center DN 10

E+L computer for customer-specific software, acts among other things as a link between the customer's user hardware and the E+L system network.

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