The motor can be designed &manufactured with customized request.
Description
Black 0.5A Micro Stepper Motor 2.55V Nema 8 Non Captive For STM CNC Milling Machine
Nema8 Non Captive Stepper Motor Through Screw Motor 20mmx20mm Stepping Motor with Screw for STM CNC Milling Machine. The 20mm Hybrid Stepper Motor Series offers powerful holding torque in a variety of sizes. Use with a microstepping driver to reduce vibration and achieve higher step resolution. Choose a baseline version or request your own customized configuration.
Key Features
Bipolar or unipolar versions available
Hybrid stepper construction
Available in single or double shaft versions
CE and RoHS approved
Customizations on request
Dimensions
Motor Specifications
Step Angle
1.8°
Frame Size
20 mm
Number of Phase
2 Phase
Rated Current
0.5Amp
Holding Torque
15mN.m
Resistance
5.1ohm
Inductance
1.5mH
Rotor Inertia
2g-cm²
Motor Weight
0.08kg
Lead Screw
Tr3.35X0.6096
Connection
Bipolar
Operating Specifications
Maximum Temperature
80°C maximum
Ambient Temperature
-20°C to 50°C
Storage Temperature
-20°C to 100°C
Humidity Range
85% or less, non-condensing
Magnet Wire Insulation
Class B 130°C
Insulation Resistance
100M Ohm at 500 VDC
Dielectric Strength
500 VDC for 1 min
Shaft Radial Play
0.02Max. (450g-load)
Shaft Axial Play
0.08Max. (450g-load)
Max. Radial Force
28N (20mm from the flange)
Max. Axial Force
10N
Available Models
Model
Holding Torque
Step Angle
Motor Length
Type of Shaft
Rated Current
42SHD4950
0.13N.m
1.8°
20mm
D Shaft-20mm
1.0A
42SHD4003
0.26N.m
1.8°
34mm
D Shaft-20mm
0.4A
42SHD0261
0.45N.m
1.8°
40mm
D Shaft-20mm
1.68A
42SHD4425
0.59N.m
1.8°
48mm
D Shaft-24mm
2.0A
42SHD4813
0.8N.m
1.8°
60mm
D Shaft-24mm
2.1A
Customization Options
If our standard motor cannot meet your needs, we can customize the motor according to your requirements. Customized content includes but is not limited to special shafts, winding parameters, installation dimensions, lead wires with special requirements, connectors, etc.