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SUNRISE - Magnetic clutch manufacturers for over 20 years in web guide control system industry.

Looking for stable and precise torque control for your roll-to-roll applications?

Sunrise Group Hysteresis clutch can help you out.
YHSA HYSTERESIS CLUTCH

Looking for stable and precise torque control for your roll-to-roll applications?

Sunrise  YHSA Hysteresis Clutch is designed to deliver constant, smooth, and wear-free torque, independent of speed — ideal for high-precision industrial processes.

🔹 Core Advantages

✔ Constant torque (1–6 Nm), slip-speed independent

✔ Zero-contact torque transmission

✔ Smooth & silent operation (no friction noise)

✔ No stick-slip effect, no wear, long service life

✔ Rapid response & high repeatability

✔ Torque available even at standstill

✔ Tool-free installation — no adjustments required

Never touch the product during operation & Never increase the rotating speed more than allowable.

Looking for stable and precise torque control for your roll-to-roll applications? 2
Running-in procedure
• Unlike other types of clutch and brake, hysteresis clutch and brake is noncontact type. Therefore running- in is not required. • Since it has no wearing part, the torque is maintained semipermanently.
Looking for stable and precise torque control for your roll-to-roll applications? 3
Continuous operation
• Depending on the conditions of use, the surface temperature of the hysteresis clutch and brake may rise considerably. Use the product while keeping the surface temperature below 80°C. If the surface temperature exceeds 80°C, relax the operation conditions, and prevent overheat of the product. (Herein, the surface temperature is mentioned on the basis of the ambient temperature of 30°C. The allowable ambient temperature range is 0 to 40°C.)
• When the hysteresis clutch and brake is de-exited while rotating faster than a specific speed (40 to 50 r/min or more), residual torque is not caused, but when de-exited while not rotating, a residual torque (ripple form) of about 5 to 10% of the value before cutting off occurs. To eliminate the residual torque, the following two control methods are known.

Sunrise Group advantage

With us, your money in safe, your business in safe!  Our products will give you an edge over your competitors.

Looking for stable and precise torque control for your roll-to-roll applications? 5
Industry experience
Having been in the industry for more than 20 years, we know the market situation and industry requirements more clearly than most manufacturers.
Looking for stable and precise torque control for your roll-to-roll applications? 6
Market share
We have accumulated extensive knowledge about the quality standards as well as market needs of thesecountries.
That is our highly-qualified employees. We have R&D experts, designers, QC professionals, and other highly qualified employees.
Looking for stable and precise torque control for your roll-to-roll applications? 8
Product advantages
They outperform their competitors when it comes to durability and performance, deeply trusted by both domestic andforeign customers.
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What Is a Hysteresis Brake?
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Get in touch with us
CONTACT US
Contact: Summer 
Tel: +86 15820882236
Contact: Shirley
Tel: +86 13825750102
ADDRESS
Sunrise Group (Dongguan) Industrial Co., Ltd 
Add: 5th floor, cannes international building, gangkou road, nancheng district, dongguan city, guangdong province, china. 523000

Sunrise Group (Hk) Industrial Co., Ltd 
Add: RM03, 24/F, Ho King Comm CTR, 2-16 Fayuen ST, Mongkok Kowloon, Hong Hong
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