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Stepper Motor Brake

Motor Nema Size
Nema 17
Nema 23
Nema 24
Nema 34
Holding Torque (Ncm)
44
45
48
59
65
72
120
126
189
200
280
300
340
400
450
707
850
1200
1300
Holding Torque (oz.in)
62.322
63.738
67.99
83.57
92.07
101.98
169.97
178.4
267.6
283.28
396.5
424.92
481.5
566.4
637.3
637.38
1001
1203.7
1203.94
1700
1841
Static Friction Torque(Nm)
0.24
0.25
0.32
0.5
2
2.0
2
2.0
4
5
5.0
5
5.0
Static Friction Torque(oz.in)
34
35.4
45.32
70.82
283
283.28
566
708.2
Driving Voltage(V)
24
Power(W)
5
6.1
11.5
13
Shaft Diameter(mm)
5
8
10
14
Moment of Interia(kg.cm2)
0.6x10-6
23x10-6
3.8x10-6

A stepper motor brake, also known as a holding brake or electromechanical brake, is a device used to hold a stepper motor shaft in a fixed position when the motor is not actively rotating. It provides additional stability and prevents the motor from moving due to external forces or when power is removed.

The use of a stepper motor brake is particularly important in applications where the motor needs to maintain a specific position, even when power is removed or during power failures. It ensures that the motor does not rotate freely or lose its position due to inertia or external forces.

Stepper motor brakes find applications in various industries, including robotics, CNC machines, 3D printers, conveyor systems, and automation equipment. They provide an additional level of safety and precision, ensuring that the motor remains stationary when required.

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