Fig. 1 Structural diagrams of SG-14.5 power-off brake (representative examples)
Power-off Electromagnetic brake structure and principle of operation
● Figures 1 show typical structures of Powder-off Electromagnetic brake.
● A power-off electromagnetic brake is designed to engage automatically and stop or hold a load when electrical power is removed from the system.
This is achieved through a "fail-safe" design where springs hold the brake engaged by default, and an electromagnetic force, when energized, must overcome the spring force to release the brake. When the power is cut, the electromagnetic force disappears, and the springs force the brake to engage, making it ideal for holding vertical loads or for emergency stops.
* Model: SG-14.5-20
* Static Torque: 260Nm
* Rated Voltage: DC 24V, DC 90V, DC 190V
* Rated Power: 100W
* Max Speed: 1500rpm
* Weight: 24kg
|
Model |
SG-14.5-14 |
SG-14.5-16 |
SG-14.5-18 |
SG-14.5-20 |
SG-14.5-25 |
|
Torque (Nm) |
60 |
80 |
150 |
260 |
400 |
|
Max speed (rpm) |
3000 |
3000 |
1500 |
1500 |
1500 |
|
Input power (W) |
50 |
65 |
85 |
100 |
110 |
|
⌀A |
165 |
190 |
217 |
254 |
302 |
|
⌀B |
163.5 |
188.5 |
- |
- |
- |
|
BO |
66.3 |
72.5 |
83.1 |
97.6 |
106.7 |
|
B1 Max |
77 |
82.5 |
98 |
114 |
124 |
|
B1 Min |
71.5 |
77.5 |
89 |
104.6 |
115.7 |
|
⌀C |
145 |
170 |
196 |
230 |
278 |
|
⌀D |
3xM8 |
3xM8 |
6xM8 |
6xM10 |
6xM10 |
|
⌀F |
3×9 |
3×9 |
4×9 |
6×11 |
6×11 |
|
⌀G |
74 |
84 |
100 |
120 |
150 |
|
⌀H |
3×9 |
3×9 |
6×9 |
6×9 |
6×11 |
|
55J3 |
55 |
65 |
75 |
90 |
120 |
|
L |
30 |
30 |
35 |
40 |
50 |
|
⌀M |
48 |
56 |
64 |
73.1 |
95.1 |
|
⌀N |
92 |
102 |
116 |
135 |
180 |
|
P |
20 |
25 |
28 |
35 |
35 |
|
R |
11 |
11 |
11 |
11 |
12.5 |
|
R1 |
1.5 |
1.5 |
- |
- |
- |
|
z |
2 |
2.25 |
2.75 |
3.5 |
4.5 |
|
a |
0.3 |
0.3 |
0.4 |
0.4 |
0.5 |
|
U |
1 |
1.5 |
1.5 |
1.5 |
2 |
|
d3H7 |
60 |
68 |
75 |
85 |
115 |
|
d4 |
4xM6 |
4xM6 |
4xM8 |
4xM10 |
4xM10 |
|
d5 |
75 |
85 |
95 |
110 |
140 |
|
e |
15 |
15 |
15 |
20 |
20 |
|
⌀JH7 |
20,24,25,28,30,32,34* |
25,28,30,32,34,35,38* |
30,35,38,40,42.45 |
35,40,42,45,48,50 |
45,48,50,52,55,60,65,70* |
Power-off Electromagnetic Brake Roll-to-Roll Applications
The electromagnetic power-off brake is suitable for various machinery applications such as metallurgy, machine tools, packaging, construction, chemical industry, food industry, stage equipment, elevators, ships, etc. It is used in situations where braking is required during power failure to achieve rapid stopping, precise positioning, and safe braking.
Tips: Do Electromagnetic power-off brakes require regular maintenance?
Power-off electromagnetic power-off brakes generally do require regular maintenance. These types of power off brakes, which are designed to engage automatically when power is lost, are crucial for ensuring safety and preventing unintended movement of equipment or machinery. Regular maintenance is necessary to ensure that the brakes are functioning properly and are capable of stopping or holding the load effectively. This maintenance typically involves inspections, adjustments, and lubrication of brake components to maintain their optimal performance and reliability. Adhering to a maintenance schedule helps identify and address any issues before they can lead to brake failure, reducing the risk of accidents and ensuring the brakes are always ready to engage when needed.