Web Tension Control Systems from Double E / Re

Closed Loop Tension Control ~ Open Loop Tension Control with Ultrasonic Sensors
Integrated Tension Control Systems ~ Load Cells ~ Amplifiers ~ Brakes

Double E / Re Tension Control Systems
Web Tension Control
Various tension control systems available using load cells, dancers, ultrasonic sensors, and amplifiers.

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Closed Loop Web Tension Controllers

MW.90.10 / T.1
MW.90.10 Tension Controller	Three (3) P.I.D. settings for acceleration, running, and deceleration—controller maintains consistent tension relative to line speed; does not use an average value. Digital input display and digital output scale to easily monitor the brake or drive being controlled. Ten (10) programmable presets allow easy switching from one material to another. Controller “remembers” optimal running parameters for each situation. Operator-friendly and easy to interface with existing machine controls.
T.1 Tension Controller

Open Loop Controllers / Ultrasonic Sensors

MW.60.01 / TS.3
MW.60.01 Tension Controller	The TS.3 sensor and MW.60.01 controller are parts of a user-friendly tension system that is easy to set up and use. Digital set point adjustment with tapered tension standard. Ten (10) programmable memories; digital input / output scale.
TS.3 Ultrasonic Sensor
US.2
US.2 Sensor / Controller	Simple sensor with integrated web tension controller sends signals relative to roll diameter.

Integrated Web Tension Control Systems
Integrated systems package all electrical and pneumatic components in a single ready-to-mount, NEMA-style enclosure. Ideal for end users wishing to simplify installation.

EP.03
EP.03	Quickly connects to pneumatic brakes. Contains unwind controller, E/P converter, air pressure gages, and manual override dials.
EL.05
EL.05	Quickly connects to powder brakes. For use with US.2 ultrasonic sensor. Contains unwind controller / sensor, current regulator, amperemeter, and potentiometer to adjust set point of the US.2 sensor.

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Load Cells

CF.85 Flange-Mount / CK.100 Through-Shaft ~ CB.80 Foot-Mount
CF.85 Flange Mount Load Cell	Various mounting styles including flange-mounted (CF series), foot-mounted (CB series), through-shaft (CK series), and cantilevered. Full-bridge strain gages improve accuracy by allowing controller to average the input from both load cells. Also, if one load cell malfunctions, the tension control system can still work with an easy recalibration. Integrated mechanical stop protects strain gage; 300% maximum overload. The CB load cell handles extremely heavy rollers and high tensions. It is not a compressive load cell. Instead, it measures force tangent to the mounting surface so the weight of the roller does not register within the output scale. This design ensures accuracy even under severe conditions.
CK.100 Through-Shaft Load Cell
CB.80 Foot Mount Load Cell

Amplifiers
Load cell signals should be amplified when the distance from the load cells to the controller is greater than 30 feet, or when signal compatibility with an existing PLC is required.

Lybra
Lybra	Digital calibration. Compact size; mounts on a DIN rail. Two (2) alarm thresholds.
Gemini
Gemini	Integrated with load cell or pendant style. Minimizes disturbance.

Brakes

Re Combiflex Pneumatic Brakes
CX.250 Combiflex Friction Air Brakes	Patented turbine disc and internal fan for unparalleled heat dissipation. Exceptional pad life. No squealing. Self-enclosed—safe without a cage. Double E / Re controllers are capable of regulating Combiflex, or any other air brake.
Re Eleflex Magnetic Powder Brakes
B.1200 / B.650 Eleflex Powder Brakes	Wide range capable of handling 1.5 ft/lbs to 370 ft/lbs of torque. 24 V DC power supply. In powder brake applications, Double E / Re controllers work best with Eleflex brakes.

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