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STC-858A Fully Automatic Web Tension Control System witth LS-TD Tension Detectors
STC-858A Fully Automatic Web Tension Control System witth LS-TD Tension Detectors
STC-858A models of fully automatic tension controllers are used in combination with the LX-TD or LC models of differential transformer type tension detectors to automatically control the unwinding, intermediate, and winding tension of the web.
Such actuators as powder clutches | brakes, hysteresis clutches | brakes, serv omotors (torque mode), and air clutches | brakes can be used with these fully automatic tension controllers, and they come with a builtin amplifier and auxiliary power supply for clutches and brakes that operate on 24V DC.
STC-858A Automatic Web Tension controller features
(1) The menu function enables storage and reading of 4 types of operation data.
(2) The optional memory cassette enables reading of operation data and writing of data in the other STC-858A tension controller.
(3) The controller has a weak excitation function for powder clutch / powder brake.
This function will improve the torque rising operation in low-speed operation mode or during the initial start-up of machine.
(4) The controller automatically judges the polarity of the detector signal, therefore, wiring is performed with ignoring the specification (compression or tension)
(5) The dot matrix type liquid crystal display is adopted for this controller, it has the capability of displaying Chinese characters.
STC-858A Automatic Web Tension Controller Spec
| Working condition | Ambient temperature: 0~40 °C |
| Environment humidity: 35~85% RH (no frost) | |
| Non-corrosiveness, no flammabel gas, no conductive dust, dust free | |
| Vibration | 10~50Hz 0.55mm (Max 4.9m/s2) |
| Grounding | D type grounding (Fordid to connect with strong electic wires together |
| Weight | Approx 3.5kg |
STC-858A Automatic Web Tension Controller Drawing

STC-858A Automatic Tension Controller Installation

STC-858A Automatic Tension Controller Application sample

Tension Detector Spec
| Model | LS-005TD | LS-015TD | LS-030TD | LS-050TD | LS-100TD | LS-200TD |
| Rated torque | 50N.m | 150 N.m | 300 N.m | 500 N.m | 1000 N.m | 2000N.m |
| Working load direction | It protects iteslf with an overload cutoff in both pusing and pulling directions | |||||
| Working condition | Working temperature: 0~40°C Vibration: under 2m/s² | |||||
| Installation | Ground installation, hang up installation, Wall mounting installation | |||||
| Weight | Approx. 1.8kg | |||||
| Shaft apply for | 204# | |||||
Tension Detector Drawing

Tension Detector Installation

Tension Detector Application sample

STC-858A Fully Automatic Web Tension Control System witth LS-TD Tension Detectors Application
STC-858A Fully Automatic Web Tension Control System witth LS-TD Tension Detectors FAQ
1. When can I get the quotation?
We usually quoted within 24 hours after receiving your inquiry. If you are very urgent to get the price, please call us or tell us in your email, so that we can regard your inquiry priority.
2. How should I place the order?
Please let us know the model number based on our specs for powder clutch, powder brake, air clutch, air brake, electromagnetic clutch, electromagnetic brake and safety chucks. For air shaft and roller, please show us your drawing, or let us know your request, and then we will provide you drawing for confirmation.
3. What’s your MOQ basis?
Normally, we don’t have MOQ request, except the rollers.
4. What about the lead time for production?
Honestly, it depends on the order quantity and the type of our products. For powder clutch, powder brake, tension controller, load cell and edge position controller which is about 3-5 days. For safety chucks, air shaft and roller which need about 15-30days.
5. What is the term of delivery?
We can arrange with EXW, FOB, CIF…etc. You can choose the most convenient one or cost-effective way.
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