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Working principle:
Limited moment type permanent magnet coupling generally consists of two parts, the permanent magnet rotor and rotor conductors, permanent magnet rotor and rotor with variable air gap between the conductor and conductor rotor rotates when the active machine, relative and installed on the driven side permanent magnet for cutting circular motion of magnetic field lines, make the initiative of the rotor conductor produces eddy current induced magnetic field, and driven to the permanent magnet magnetic field interaction, so as to realize the drive end and driven end no contact between the torque transmission.
When the working machine is in rated load condition, the gas of permanent magnet rotor and conductor rotor is minimum.
When the working machine is overloaded or jammed, the air gap between the permanent magnet rotor and the conductor rotor increases rapidly until the atmospheric gap reaches the maximum, and the permanent magnet rotor at the working end decreases or reaches zero, thus realizing the overload protection of the motor.
When the overload or jammed working conditions are relieved, the positions of the permanent magnet rotor and the conductor rotor will return to the original narrowest gap by returning to the initial structure, and the machine will resume its normal working state.

Features:
Soft start/soft brake of motor can be realized.
With overload protection function, it can be automatically removed and reset;
Flexible connection can effectively eliminate system vibration.
Low requirements on the middle, easy installation and debugging;
No maintenance, long service life;
No pollution to the power grid, no harmonic generation.
It is convenient to transform the original system, and more suitable for the connection of new transmission system.
Can run stably for a long time, long service life.
Suitable for power less than 800KW prime mover, steel, mining, coal, chemical industry.
Lifting, papermaking, textile, shipbuilding, cement and other industries (such as conveyor, bucket turbine, excavator, hoist, ball mill, crusher, Rollers, coal mill, stacker and reclaimer, mixer, boiler slag crusher and other power equipment).

Specifications | Power (KW) | Speed (r/min) | D | L | L1 (Min) | L2 (Min) | Weight (KG) |
COX-0350 | 37/22/18.5 | 1500/1000/750 | 420 | 189 | 110 | 110 | 88 |
COX-0370 | 45-55/30-37/22-30 | 1500/1000/750 | 440 | 189 | 110 | 110 | 97 |
COX-0420 | 75-90/45-55/37-45 | 1500/1000/750 | 490 | 189 | 110 | 110 | 105 |
COX-0450 | 110-132/75-90/55 | 1500/1000/750 | 530 | 189 | 110 | 110 | 145 |
COX-0480 | 160-185/110/75-90 | 1500/1000/750 | 560 | 189 | 110 | 110 | 165 |
COX-0520 | 200-220/132/110 | 1500/1000/750 | 600 | 189 | 110 | 110 | 185 |
COX-0560 | 250-280/160-185/132 | 1500/1000/750 | 640 | 189 | 110 | 110 | 210 |
COX-0580 | 315/200/160 | 1500/1000/750 | 660 | 204 | 110 | 110 | 238 |
COX-0620 | 355-400/220-250/185-200 | 1500/1000/750 | 700 | 204 | 110 | 110 | 275 |
COX-0650 | 450/300/220 | 1500/1000/750 | 730 | 220 | 110 | 110 | 305 |
COX-0700 | 560/355/280 | 1500/1000/750 | 810 | 257 | 110 | 110 | 330 |
COX-0720 | 630/400/315 | 1500/1000/750 | 810 | 257 | 110 | 110 | 335 |
COX-0750 | 710/450/355 | 1500/1000/750 | 860 | 257 | 110 | 110 | 365 |



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Skype: Jacking Shen
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