Empire Magnetics Inc – Motors That Survive

Motors That Survive...Vacuum & Space

Vacuum Rated Motors Have Been Successfully Installed At:

Hollow Shafted Stepper Motors

42 Family Size - U Series - VX

Specifications

Model NumberVX-U41-HSVX-U42-HSVX-U43-HS
Drawing Numberlistlistlist
EnvironmentVXVXVX
MotorU41U42U43
PricingVX-U41-HSVX-U42-HSVX-U43-HS
NEMA Frame Size424242
Number of Magnetic Stacks123
Step Angle1.81.81.8
Accuracy Grade (%)333
Detent Torque (oz-in)162538
Static Torque At Thermal Current {unipolar} (oz-in)375375730
Static Torque At Thermal Current {parallel} (oz-in)4008001150
Static Torque At Thermal Current {series} (oz-in)52510001480
Thermal Current {unipolar} (A)5.06.38.1
Thermal Current {parallel} (A)5.47.29.0
Thermal Current {series} (A)4.55.47.2
Single Coil Inductance (mH)3.53.53.5
Single Coil Resistance (ohm)0.30.30.2
Series Inductance (mH)141414
Series Resistance (ohm)0.80.60.6
Bearing TypeC/FC/FC/F
Bearing Thrust Load (lbs)505050
Bearing Radial Load (lbs)300300300
Bearing End Play (10-3 in)C/F*C/F*C/F*
Bearing Radial Play (10-3 in)888
Rotor Inertia (oz-in2)224466
Body Diameter (in)4.24.24.2
Body Length (in)5.57.59.8
Weight (lbs)121925

*Contact Factory

Options:


Modifications:

  • Keyways
  • Custom Shafts


Speed/Torque (oz-in) Charts


CAD Drawings

Wiring Information

Frequently Asked Questions (FAQ)

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Frequently Asked Questions

Find answers to your questions about Vacuum Rated Motor Selection & Installation.

Learn About Vacuum Rated Motor Selection & Installation

Operating a motor in a vacuum is often perceived as a design challenge. Among engineers, the problems -- outgassing, contamination and temperature -- are well known. What is less well known is that there are now well-developed solutions to each of these problems.

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.

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