Vacuum Rated Motors Have Been Successfully Installed At:
Hollow Shafted Stepper Motors
34 Family Size - U Series - VS
Specifications
| Model Number | VS-U31-HS | VS-U32-HS | VS-U33-HS |
| Drawing Number | list | list | list |
| Environment | VS | VS | VS |
| Motor | U31 | U32 | U33 |
| Pricing | VS-U31-HS | VS-U32-HS | VS-U33-HS |
| NEMA Frame Size | 34 | 34 | 34 |
| Number of Magnetic Stacks | 1 | 2 | 3 |
| Step Angle | 1.8 | 1.8 | 1.8 |
| Accuracy Grade (%) | 3 | 3 | 3 |
| Detent Torque (oz-in) | 12 | 26 | 31 |
| Static Torque At Thermal Current {unipolar} (oz-in) | 100 | 230 | 370 |
| Static Torque At Thermal Current {parallel} (oz-in) | 120 | 265 | 400 |
| Static Torque At Thermal Current {series} (oz-in) | 155 | 320 | 450 |
| Thermal Current {unipolar} (A) | 2.3 | 3.6 | 5.0 |
| Thermal Current {parallel} (A) | 3.4 | 4.5 | 6.3 |
| Thermal Current {series} (A) | 1.9 | 2.7 | 3.4 |
| Single Coil Inductance (mH) | 3.5 | 3.5 | 3.5 |
| Single Coil Resistance (ohm) | 0.6 | 0.6 | 0.6 |
| Series Inductance (mH) | 14 | 14 | 14 |
| Series Resistance (ohm) | 1.5 | 1.3 | 1.1 |
| Bearing Type | C/F* | C/F* | C/F* |
| Bearing Thrust Load (lbs) | 25 | 25 | 25 |
| Bearing Radial Load (lbs) | 100 | 100 | 100 |
| Bearing End Play (10-3 in) | C/F* | C/F* | C/F* |
| Bearing Radial Play (10-3 in) | 8 | 8 | 8 |
| Rotor Inertia (oz-in2) | 3.5 | 6.7 | 10.3 |
| Body Diameter (in) | 3.4 | 3.4 | 3.4 |
| Body Length (in) | 2.5 | 3.7 | 5.2 |
| Weight (lbs) | 3.8 | 5.2 | 8.3 |
*Contact Factory
Options:
- Gearboxes
- Feedback Devices
- Brakes
- Cables and Connectors
- Temperature Sensors
Modifications:
- Keyways
- Custom Shafts
Speed/Torque (oz-in) Charts
Frequently Asked Questions (FAQ)
About Vacuum Installations
Part Number Configurator
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Government Projects & Defense Applications
Empire Magnetics has been awarded and completed US Navy contracts in excess of $100,000 as a prime contractor. The Cage code number assigned was OYMU1, CEC code 19665900H. As a subcontractor to RSI/Comsat, SAIC, Lockheed Martin, Westinghouse, General Electric and other prime contractors for the US Government, contracts in excess of $200,000 have been awarded and completed.
Nationwide & International Distributors for Specialty Motors & Complete Motor System Solutions
Empire Magnetics products are distributed by a nationwide and international network of motion control sales professionals. Your local distributor carries the drives and controls, and the accessories needed to build a complete motion control system.