1.5.1 Electromagnetic Brake Working Principle; Working Principle - HANGCHA CBD20-AEC1 Operation And Maintenance Manual

1.5.1 Electromagnetic brake working principle

1.5.1 Electromagnetic brake working principle
Motor shaft (9) is connected with shaft sleeve (4) by passing through the flat key. And shaft Motor shaft (9) is connected with shaft sleeve (4) by passing through the flat key. And shaft
sleeve (4) is connected with brake pad (3) by passing through the splines. When the stator (11) is sleeve (4) is connected with brake pad (3) by passing through the splines. When the stator (11) is
block out, the force produ block out, the
makes rotated the brake pad (3) driven by the motor shaft connected closely between the makes rotated the brake pad (3) driven by the motor shaft connected closely between the
armature (8) and cover plate (5). As a result the braking torque is created. There will be armature (8) and cover plate (5). As a
Z between the armature and the stator at that moment. When the brake needs to be Z between the armature and the stator at that
stator is applied with direct current and the magnetic field would attract the armature (8) to move stator is applied with direct current and the magnetic field would attract the armature (8) to move
towards the stator. The movement of armature compresses the pressure spring (10) which cause towards the stator. The movement of armature compresses the pressure spring (10) which cause
the loosening of the brake pad (3) by that time and the brake is released. the loosening of the brake pad (3) by that time and the brake is released.
Fig.2-4 Electromagnet Fig.2-4
force produced by the ced by the pressure s
Z Z
6 6
12 12
Electromagnetic ic Brake Brake Structure Structure
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pressure spring (10 pring (10) ) would act on would act on the armatur
result the braking torque is created. There will be a air gap
moment. When the brake needs to be relaxed, the
1 1
7 7
5 5
1.Mounting Bolt of the Brake 1.Mounting Bolt of the Brake
3 3
3. Brake Pad 3. Brake Pad
8 8
4. Shaft Sleeve 4. Shaft Sleeve
5. Friction Disk 5. Friction Disk
9 9
6. Dustproof Cover 6. Dustproof Cover
4 4
7. Hollow Screw 7. Hollow Screw
10 10
8. Armature 8. Armature
9. Motor Shaft 9. Motor Shaft
11 11
10.Pressure Spring 10.Pressure Spring
11.Stator 11.Stator
12.Mounting Bolt of Friction Disk 12.Mounting Bolt of Friction Disk
58 58
the armature (8) wh e (8) which
relaxed, the
Z. Air Gap Z. Air Gap
ich
a air gap