Web Guiding Systems

The web guiding controller is designed for highly precise edge tracking and colour-line tracking using a microprocessor. It corrects a misaligned roll as the roll is unwound and rewound. This can be done by shifting the roll on the rewind or unwind section of the machine. Where this is not mechanically possible, the material passes over two movable rollers and a system known as a piston motor changes the direction in which the material travels. In this way it eliminates web wander caused by the machine or by a badly wound roll, and ensures a high-quality wind.

The system is very easy to fit and use, and saves the machine operator considerable effort and time. On request it can be adapted to a stepper motor, servo motor, DC motor, AC motor or a hydraulic-pneumatic system. For product details, see our web guiding system page.

Features

• Microprocessor-based
• Easy to use and easy to set up
• Easy connection with socketed terminals
• High precision
• -10 V / +10 V analogue output
• Digital outputs
• Stepper motor output
• Retains settings in memory when power is lost
• A proximity sensor or mechanical switch can be connected for limit stop
• LED indicator shows when the material is misaligned
• Keeps the oscillation of the material under control

Sensors

A colour sensor, a fork-type sensor or an ultrasonic sensor can be used.

Applications

• Slitting machines
• Flexographic printing machines
• Rotogravure printing machines
• Lamination machines
• Profile coating machines
• Paper machines
• Textile machines
• Plastics machines

For products that control web tension, see our brakes and clutches page.

What to consider when choosing

The type of material (transparent, opaque, printed), line speed, the point where correction is needed and the equipment already on the machine should be considered together. Share your application through our contact page to request a quotation.