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Rare Earth Permanent Magnetic Coupling
Rare Earth Permanent Magnetic Coupling Rare Earth Permanent Magnetic Coupling Rare Earth Permanent Magnetic Coupling

Rare Earth Permanent Magnetic Coupling

1. Type: Rare Earth Permanent Magnetic Coupling

2. Dimensions: Customized

3. Material of magnet: NdFeB or Smco Magnet
4. Material of outer roter: Carbon Steel,SUS304,SUS316L
5. Material of Inner roter: SUS304 or SUS316L
6. Material of sealing can: SUS304,SUS316L,Peek
7. Pressure bearing of sealing can: 1-3 Mpa
8. Torque range: Max 1200 N.M

9. Max working temp.: Max 350℃

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  • Product Detail
  • Technical Specifications
Magnetic couplings are shaft couplings that use a magnetic field instead of a physical mechanical connection to transmit torque from one shaft to another.They are non-contact and utilize attraction and repulsion of the magnetic poles to transmit rotational power.Magnetic couplers tolerate large misalignments and produce no noise,vibration.

Non-contact synchronous couplings have a softer start and stop function than most standard couplings and can be used as a torque limiting device since there are no mechanically engaged parts.

Magnetic couplings has no auxiliary hydraulic and cooling systems,and no contact between the inner and outer rotors,which greatly reduces the difficulty and frequency of maintenance,reduces the cost of maintenance,reduces the number of shutdowns,and improves production efficiency.In case of pipeline blockage or pressure increase,this magnetic coupling has automatic overload protection,which effectively prevents dangerous situations such as overload explosion and pipeline rupture,and reduces the probability of accidents.

Application Of Magnetic Couplings
Magnetic Coupling can be used in a rotary configuration and are suitable for use in wet or harsh environments.Magnetic couplings are a common choice for mechanical applications including transmissions,pumps,compressors and assembly systems.

Specifications Of Magnetic Couplings

Model Torque (NM) Size (mm)
A B C D1 D2 D3 d1 d2 E G L S
LUMC46 1/3/5 21 16 5 69.5 63.5 78.5 11 14 46 5.5 69.5 5
LUMC60 7/10/18 28 30 4 94.5 75 89.5 12 12 59 7 82 4


Model Torque (NM) Size (mm) Optional（mm）
E B C D D1 D2 D3 D4 L1 L2 G A F d1 d2
LUMC75 22/33/40 75 21 16 24 100 118 100 90 59 99.5 9 44.5 49.5 31.3 112
LUMC110 62/80/110 110 20 25.5 35 133 153 135 126 66 108.5 9 55 65 38 148
LUMC135 196/235/293 135 40 17.2 35.3 158 178 176 137 92 137 9 / / / /
LUMC145 200/250/300/410 146 50 24.7 45 180 205 196 150 108.5 167.2 11 / / / /
LUMC155 240/340/440/540 155 45 24 39 192 218 196 159 120 190 9 / / / /
LUMC200 610/760/820/1000/1200 198 48 34 50 232 258 258 202 160 218 11 / / / /
Magnetic couplings can be customized according to customer installation requirements.
Working principle of the magnetic coupling
The permanent magnetic coupling consists of an outer rotor and an inner rotor. The inner and outer rotor are composed of permanent magnets that are magnetized in the diametrical direction and in opposite directions of magnetization.The permanent magnets are alternately arranged in the circumferential direction with different polarities,and are fixed on the low-carbon steel ring to form a magnetic circuit breaker.In the static state,the N pole (S pole) of the outer magnet and the S pole (N pole) of the inner magnet attract each other and form a straight line,and the torque is zero at this time.

When the outer magnet rotates under the drive of the motor,the inner magnet is still in a static state due to the friction force and the resistance of the driven part at the beginning. At this time,the outer magnet starts to deviate from the inner magnet by a certain angle. The N pole (S pole) of the outer magnet has a pulling effect on the S pole (N pole) of the inner magnet,and at the same time the N pole (S pole) of the outer magnet has a push to the previous N pole (S pole) of the inner magnet.This is the working principle of the push-pull magnetic circuit of the permanent magnetic coupling.

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