3BSE002488R1 - Tension Controller

Description

Digital Transmission Unit The DTU is built to be completely insensitive totough mill environments. The main features are: • Signal transmission over a non-contact capacitivelink. The link is not affected by the surrounding airquality which could be the case with optical links. • Sensor excitation using a non-contact rotatingtransformer. • Maintenance-free hybrid bearings are used toensure a long lifetime. • All measurement signals are transmitted througha fiber optic cable to the control cabinet. Direct and parallel measurement It is important that all measurement points areprocessed in parallel, i.e. at the same time.This means that strip tension variations willinfluence all measurement points in the sameway and thus will not influence the actual flatnessmeasurement.

Tension controller is a system developed by a single chip microcomputer or some embedded devices and peripheral circuits. It is a control instrument. It can directly set the tension value required to be controlled, and then directly input the signal of the tension sensor (generally millivolt level) as the tension feedback value. Input to the PID controller for processing, it is best to output to the peripheral actuator to control, and finally achieve the minimum deviation, the fastest response of the system. In the industrial control industry, in some ribbon and linear products, it is often necessary to control the tension to meet the production requirements, and the tension controller is a kind of instrument to control this type of tension. The tension controller also has the so-called manual control function, which generally means that the human can give a certain output to the actuator (often the current flow of the motor) through the tension controller; The general tension force controller also has the function of calculating the diameter of the coil, which is generally used in the winding equipment and has the points of winding and winding; In addition, the taper adjustment function can be directly set inside the controller some process requirements of the winding taper. The tension control system is mainly composed of tension controller, tension reader, tension detector, magnetic powder brake and clutch. According to the loop can be divided into open loop, closed loop or free loop tension control system; According to the monitoring methods of different coils, it can be divided into ultrasonic, floating roller, tracking arm, etc. The stability of tension control is directly related to the quality of slitting products. If the tension is insufficient, the raw material will drift during operation, and the finished paper will wrinkle after slitting and rewinding. If the tension is too large, the raw material is easy to be broken, so that the broken end of the finished paper after slitting and rewinding will increase.

Tension control for purposes The purpose of tension control is to keep the tension of the material constant. The stability of tension control is directly related to the quality of the product. Good tension control can improve machining accuracy, improve effectiveness and material utilization. 1, stable transmission of materials A: Prevent the material from sliding sideways; B: Prevent slipping between the winding shaft and the material; C: Prevent entanglement. Basic composition of tension control system 1), roll. Magnetic powder brake/servo motor, uniform unwinding. 2), intermediate control. Tension detection, uniform traction. 3), winding. Magnetic powder clutch/servo motor, uniform speed winding.

Main brands include: ABB, Bailey, GE, FOXBORO, Invensys TRICONEX, Bentley BENTLY, A-B Rockwell, EMERSON EMERSON, B&R, MOTOROLA, FUANC, REXROTH, KUKA, HONEYWELL, NI, DEIF, Yokogawa, WOODWARD WOODWARD, Ryan, SCHNEIDER SCHNEIDER, Yaskawa, MOOG, EPRO, PROSOFT and other major brands

The company focuses on DCS, PLC, robot, large servo four systems

The main products are various modules/cards, controllers, touch screens, servo drivers Company advantage: Supply imported original products, professional production of spare parts One year warranty, fast delivery time, complete supply !！！ ① 24 hours email response (12 hours); ② For shipment outside Asia, please contact the seller.

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