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CDC-YC is a special powerful permanent magnet brake with a frictionally engaged, backlash-freeeffect. Relying on the permanent magnetic force generated by permanent magnets, this effect can maintain the connection of the shaft if the power is switched off, or make the load slow down safely, whichis regarded as an efficient and safe brake. Rare earth magnets create a force field, wihich is cancelledby the counter-pole magnet coil(opened) in current-supplied condition and in combination with the membrane spring on the armature it ensures a residual torque-free separation independent of the installation position.
Range of application: machine building, medical technology, industrial robots, servo-motors.
Characteristics
● Holding Braking
● Long lifetime
● Backlashfree
● Low noise
● Smallvolume、large torque
● Ultra-thin、Largehollow design
● Nofrictionplate,nodust,RoHs compliance.


Dimension and Diagram
Installation way
Generalinstallatin
External installation mode of Rotor

Installation way
Guranteed by assembly
Internalinstallationmodeof Rotor

Dimension of Brakes:
| Base No | Model | Radial dimension(OD) | PCD position circle | Axial dimension(thickness) | Axial dimension | Assembly hole of stator | Working airgap | d-H7Assembly hole of Rotor |
M1 Tightening screw hole |
|||||||||||||||||||||
| Φ A | ΦA1 | Φ A2/H7 |
Φ B/H8 |
ΦC | ΦE | ΦF | Φ D1 |
ΦD | L | L1 | L2 | L3 | L4 | L5 | L6 | L7 | L8 | L9 | T outlet |
M2 | 4-ΦP | Max. data |
Min. data |
Φd Standard hole |
Φd- Max. Hole |
Keyway dimension |
||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | CDC-S019YC | / | 19 | 19 | / | 7 | 18.6 | / | / | 外圆 | 23.8 | 4.5 | / | / | 7 | / | / | / | / | / | 2 | / | / | 0.15 | 0.1 | 4 | / | / | / | / |
| 2 | CDC-S040YC | 39 | 28 | 28 | / | 9 | 28.5 | 7 | 22 | 33.5 | 16 | / | 2 | 3 | 10 | 4.1 | 2 | 3.5 | / | / | 10 | 3-M3 | 4-Φ3.2 | 0.25 | 0.15 | 6 | 8 | / | / | 1xM2.5 |
| CDC-S040YC-Max | 45 | 32.2 | 32 | / | 9 | 28.5 | 7 | 22 | 38 | 16 | / | 2 | 2 | 10 | 4.1 | 2 | 3.5 | / | 25.8 | 12 | 3-M3 | 4-Φ3.2 | 0.25 | 0.15 | 8 | 10 | 2 | 1 | 1xM3 | |
| 3 | CDC-S060YC | 54 | 42 | 40 | / | 19.1 | 40 | 17 | 29 | 47 | 22.5 | / | 2 | 2 | 12 | 5.2 | 2.5 | 5 | 2.5 | 27 | 12.5 | 3-M3 | 4-Φ3.2 | 0.4 | 0.2 | 10 | 12 | 3 | 1.4 | 2xM4 |
| 5 | CDC-S080YC | 65 | 51.5 | 50 | 26 | 24 | 50 | 22 | 40 | 58 | 28.5 | 2 | 3 | 3 | 12 | 6.5 | 3 | 5 | 3 | 35.5 | 14 | 3-M4 | 4-Φ4. | 0.45 | 0.25 | 15 | 18 | 5 | 2.3 | 1xM5 |
| 6 | CDC-S090YC | 80 | 64 | 63 | 35 | 32 | 63 | 30 | 49 | 72 | 27.2 | 2 | 3 | 3 | 15 | 7.4 | 3.7 | 6 | 3.5 | 37 | 15 | 3-M4 | 4-Φ4.5 | 0.5 | 0.3 | 20 | 22 | 6 | 2.8 | 2xM5 |
| 7 | CDC-S100YC | 100 | 80.8 | 80 | 42 | 38 | 80 | 38 | 63 | 90 | 30 | 2 | 3.5 | 4 | 20 | 8.5 | 4.5 | 8 | 3.5 | 40 | 17 | 3-M4 | 4-Φ5.5 | 0.75 | 0.35 | 25 | 27 | 8 | 2 | 2xM6 |
| CDC-S100YC-Max | / | 82 | 82 | 52 | 46 | 80 | 32 | 62 | / | 38.1 | 2.5 | / | 3 | 39.8 | 13.8 | 3.5 | / | 6 | 44.7 | 6 | 4-M5 | / | 0.6 | 0.3 | 25.2 | 30 | 8 | 3.3 | 2xM8 | |
| 8 | CDC-S150YC | 125 | 102 | 100 | 52 | 48 | 100 | 46 | 78 | 112 | 36.5 | 2.5 | 4 | 4 | 25 | 11.2 | 6 | 10 | 5 | 55 | 20 | 3-M5 | 4-Φ3.2 | 0.8 | 0.4 | 30 | 35 | 8 | 3.3 | 2xM8 |
| CDC-S150YC-Max | / | 102 | 102 | 62 | 43.5 | 100 | 42 | / | 83/72 | 36.5 | 2.5 | / | 3 | 50.8 | 16.4 | 6 | / | 4.5 | 53.2 | 12 | 4-M6 | / | 0.6 | 0.3 | 30.5 | 40 | 8 | 3.3 | 2xM8 | |
| 9 | CDC-S180YC | 161 | 126 | 125 | 62 | 75 | 160 | 70 | 83 | 137 | 42.6 | 3.5 | 5 | 5 | 30 | 13.5 | 7.3 | 12 | 6 | 60 | 22 | 3-M5 | 4-Φ3.2 | 0.85 | 0.45 | 45 | 48 | 14 | 3.8 | 2xM10 |
| CDC-S180YC-Max | / | 125 | 123 | 54 | 62 | 121 | 52 | / | 83 | 38 | 2.5 | / | 3 | 56.8 | 12.8 | 8 | / | 6.5 | 59.8 | 18 | 4-M6 | / | 0.6 | 0.3 | 35 | 38 | 14 | 3.8 | 2xM10 | |
| 10 | CDC-S200YC | 190 | 161 | 160 | 100 | 77 | 160 | 77 | 120 | 175 | 43 | 3.5 | 5 | 5 | 38 | 16.4 | 9.4 | 15 | 7.2 | 70 | 30 | 4-M8 | 4-Φ3.2 | 1 | 0.5 | 50 | 56 | 16 | 4.3 | 3xM10 |
| 12 | CDC-S250YC | 230 | 205 | 200 | 140 | 99 | 202 | 99 | 167 | 215 | 56.1 | 2.5 | 6 | 6 | 77 | 24.5 | 12 | / | 31 | 77 | 35 | 5-M8 | 4-Φ3.2 | 1.2 | 0.55 | 65 | 70 | 18 | 4.4 | 3xM12 |
Woking principle:
Brake condition
When the brake is switched off, the armature 8 moves in the direction of the stator 4 under the magnetic forceof the permanent magnet 2, see the braking state in point 1. At this time, the airgap between the stator 4 and the armature 8 is 0, since the flange 6 is fixed to the motor shaft 3, the spring 3 will be pulled out of shape. Under the acticnof the permanent magnetic force, relying on the friction between the stator 4 and the armature 8 and generates to rque, and push the motor stop working and locked the motor shaft which is the braking process.
Opening condition:
When the brake is power on (the wires of the brake have positive and negative poles, and the wiring should be
connected correctly, otherwise it will not work), the coil 5 will generate a closed-loop magnetic field on the stator 4when the magnetic field generated by the coil 5 is in the opposite direction of the magnetic field generated by the permanent magnet 2, and the electromagnetic force is greater than the permanent magnetic force, the reset force exerted by the spring sheet 11 on the armature 8 is greater than the force exerted by the permanent magnet 2 on the armature 8, and the armature 4 will be pulled back by the reset spring sheet 11 pulled back, see the released state inpoint 1, at this time the stator 4 and the armature 8 are separated to produce a airgap Z, the torque disappears, and the motor shaft is loosened and can be easily rotated so as to open the brake.

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