System information

Function

The spreading system half-width X-Pander consists of two roller units each with three rollers that meet in the middle. Each unit has two fixed rollers and one moving roller. The width of the cord can be controlled by varying the bite angle of the moving center rollers. Spreading can be optimized by manually adjusting the correction angle.

Area of use

X-Pander spreading systems are used exclusively in hot-stretching plants before the traction station to achieve constant web width and uniform thread distribution.

Application

The X-Pander spreading system can be mounted in all positions. The infeed path should be the equivalent of at least half a web width, while the exit path should be kept as short as possible.

X-Pander
X-Pander

Legend

K = Spreading effect | α = Skewed position | AB = Operating width (web width) | L1 = Infeed path | L2 = Exit path | 1 = Infeed roller | 2 = Spreading system X-Pander | 3 = Sensor | 4 = Locking roller |  β = Bite angle | G = Center gap

Web guiding systems

Spreading system Half-width X-Pander BCB51

Half-width spreading system with two skew roller units for constant web width control for tire cord over the entire web width

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System components

Infrared wide band sensor FE 46

Digital infrared wide band sensor for web center detection, web edge detection, and width measurement with a tube distance (clear width) of 160 mm

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CCD camera OL 82

Interruption-free detection of web edges, position detection, web guiding, material detection, and width measurement

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Command station DO 42

Visualization and operation of web guiding systems with multiple operation of up to 255 web guiding control loops

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Data network center DN 40

Data network center for central connection of all components in a control system

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Linear drive unit EL.MOTION AG 72

Linear drive unit EL.MOTION AG 72

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Actuating drive AG 90

Linear actuating drive with wear-free, brushless drive technology with a maximum actuating force of 800 N

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Linear drive unit EL.MOTION AG 91

Linear actuating drive with wear-free, brushless drive technology with a maximum actuating force of 1000 N

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Linear drive unit EL.MOTION AG 93

Linear actuating drive with wear-free, brushless drive technology with a maximum actuating force of 3000 N

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Actuating drive STO AG 9__2

Linear actuating drive with wear-free, brushless drive technology for functional safety

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Linear drive unit EL.MOTION AG 96

Linear actuating drive with wear-free, brushless drive technology with a maximum actuating force of 5500 N

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