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Ogura is the largest manufacturer of electromagnetic clutches and brakes in the world. Current manufacturing capacity is in excess of 30 million clutches and brakes per year. We have 14 manufacturing plants throughout Europe, the Americas, and Asia. All plants are certified ISO9001 and most have been certified ISO 14001 and TS16949. We have over 3,000 designs available. Besides the standard product shown we also make a variety of specialty products. Our products are used in automotive, industrial, mobile, factory automation, office automation, agricultural and construction machinery industries. Our brakes are made in the following styles: electromagnetic single face, multiple disk, hysteresis, eddy current, magnetic particle and permanent magnet. Torque range for standard products is from .0001nm to 1,000nm.
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The most popular range of MEROBEL's EMP Brakes, offering tailored solutions for every needs from its 10 sizes and up to 5 different version (acceptable power dissipation level) for each size.
Especially designed to be easily fitted on equipments such as Converting, Printing, Wire & cable, and Packaging machines.
Cost effective solution for variable torque simulation systems (automotive and aeronautics test rigs).
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The most popular range of MEROBEL's EMP Brakes, offering tailored solutions for every needs from its 10 sizes and up to 5 different version (acceptable power dissipation level) for each size.
- EMP technology (ElectroMagnetic Particle)
- Torque proportional to the electric current, independent of the slipping speed
- The best design for Tension Control and Test benches applications
- 5 different versions (power dissipation) available
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Magnetic particle brakes and clutches are of simple design. Due to their size they produce a high torque compared to for instance hysteresis brakes. They are having two rotors (inner and outer) and an air gap between these two rotors where the magnetic particles are dispersed in. An electric current passing through the coil creates a magnetic field, which aligns the magnetic powder into the gap. The higher the current, the more rigid the connection between the inner and outer rotor becomes. The principle is the same for brake, clutch and torque limitor.
Advantages:
Noisless work
Torque directly proportional to current
Torque independant from r.p.m. (starting from 30 min)
Strong design, units are able to be used with steady slipping
High torque range to be controlled (approx 1:50)
Applications:
Braking
Torque control, torque limiting
Tension control at winding, unwinding
Starting clutch operation
Calculated braking and starting
of certain masses and inertias
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