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STC-858A Auto Web Tension controller

The STC-858A models of web tension controllers automatically control unwinding, intermediate, or winding tension by receiving signals from either the LS-TD or LC model of tension detector. These controllers generate a control voltage of 0 to 24V to the powder clutch/brake or hysteresis clutch/brake, or generate a torque command voltage of 0 to 5 V to the AC servo amplifier.

Brand:

Sunrise Group

Rated Weight:

15kg ~ 200kg

Mounting:

Floor, wall, and ceiling mounting

Delivery Term:

EXW

Place of Origin:

Dongguan

Packing:

Export Carton/Case

Delivery time:

1-3 days

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Auto Tension Control Feature

● Menu function as a standard feature. Allows storage and readout of 4 kinds of operation data.

● Set values can be written to and stored in the memory cassette. Simple and easy batch copying/modification of the set values.

● Quick and easy function selection with the function keys

● Dot matrix LCD display.

● Language displayed on the LCD display can be selected between English, and simplified Chinese by the DIP switch.

● Automatic detection of the signal polarity of tension detector. Simple wiring without the need to worry about the load type (compression or pull load).

● Auto zero/span adjustment for the tension detector is adopted, eliminating the need for adjustment.

● Operates on a wide range of supply voltage from 100V to 240V AC.

magnetic powder brake Feature

Easy control over a wide range

Transmission torque changes continuously in response to changes in the exciting current, and so can be easily controlled over a wide range.

Continuous slip operation

The powder enables continuous slip on the working surface as well as stable transmission torque regardless of the slip rotation speed.

Stable torque

Due to the shape of the operating surface and powder leakage prevention structure, the distribution of powder can be kept uniform and stable torque can be reproduced even if the current is repeatedly turned on and off.

Large heat capacity

The products using powder have excellent heat resistance and an ideal cooling structure, and so can be used even in harsh continuous slip operation.

Smooth connection and drive

With almost equal coefficients of static and dynamic friction, load-based acceleration/ deceleration can be obtained without shock at the time of complete connection.

Auto Web Tension control specification

Working condition	Ambient temperature: 0~40 °C
	Environment humidity: 35~85% RH (no frost)
	Non-corrosiveness, no flammable gas, no conductive dust, dust free
Vibration	10~50Hz 0.55mm (Max 4.9m/s2)
Grounding	D type grounding (Forbid to connect with strong electric wires together
Weight	Approx 3.5kg
Installation size

Web tension control system application

Auto Web Tension control mounting

Some of Sunrise auto tension control system that are connected to the input/output terminals of this model of tension controllers include the following. Tension detector, actuator, and some of the signal input switches are essential to the system; other components are connected as necessary.

Application scenarios

Web guide & tension control system testing machine

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