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    UHV Stepper Motor D35.1 | Micro Photonics
    Cryogenic rated stepper motors are specialized motion control devices designed for extreme low-temperature environments, often operating down to 20 Kelvin (
    -253∘Cnegative 253 raised to the composed with power C
    −253∘C
    ) or in liquid nitrogen (
    -196∘Cnegative 196 raised to the composed with power C
    −196∘C
    ). They feature materials resistant to brittleness, specialized lubrication (or dry lubricants), and thermal expansion management. Popular for UHV, space, and lab applications, they are available in varied sizes (NEMA 14 to 42). 
    Key Features and Characteristics 
    • Temperature Range: Operates from
      -40∘Cnegative 40 raised to the composed with power C
      −40∘C
       down to
      20
      K
       (
      -253∘Cnegative 253 raised to the composed with power C
      −253∘C
      ) depending on model.
    • Construction: Uses stainless steel housings, and specifically designed bearings (sometimes Ceramic Hybrid or tungsten disulfide dry-lubricated) to prevent failure due to grease solidification.
    • Vacuum Compatibility: Many models are designed for Ultra High Vacuum (UHV) environments (below
      1
      ×10−10
       mBar).
    • Radiation Resistance: Certain models can withstand high-radiation environments.
    • Frame Sizes: Common sizes include under 1-inch, NEMA 17, NEMA 23, and NEMA 42. 
    Common Applications 
    • Scientific Research: Cryostats, particle accelerators, and laboratory equipment.
    • Space & Aerospace: Satellite instruments and launch vehicle systems.
    • Medical Equipment: MRI and cryogenic scanning technology. 
    Leading Manufacturers and Suppliers 
    • Empire Magnetics Inc.: Offers specialized cryogenic motors designed for low-temperature reliability.
    • Arun Microelectronics (AML): Provides UHV-compatible motors with cryogenic options.
    • IRLabs: Specializes in cryo-prepared stepper motors.
    • CTRL-Motors: Manufactures NEMA 34 cryogenic stepper motors. 
    For extreme environments, these motors are often configured with integrated thermal sensors (thermocouple or PT100) to monitor performance. 
    • Cryogenic Motors, Cryogenic Stepper Motors & Resolvers - Empire Magnetics Inc - Motors That Survive
      Cryogenic stepper motors are designed for temperatures as low as 20 degrees Kelvin. They are made with materials that are resistan...
      Empire Magnetics Inc
    • Cryogenic Stepper Motors Frame Sizes - Empire Magnetics Inc - Motors That Survive
      Cryogenic electric motors are designed to perform in environments where ordinary motors are unsuitable. They are typically made in...
      Empire Magnetics Inc
    • Nema 34 86*118mm 5.5N.m Cryogenic Stepper Motor
      It can operate reliably in conditions as low as -196°C, significantly enhancing the motor's lifespan and performance in extreme en...
      www.ctrl-motor.com
    • D42.3 UHV Stepper Motor - Arun Microelectronics
      Overview * Suitable for use below 1 x 10-10 mBar (7.5 x 10-11 Torr) * Continuous running in vacuum at high torque and step rates w...
      Arun Microelectronics
    • Cryogenic Motor - IRLabs
      Dewar Accessories, Motion Control ... Cryo-prepared and tested NEMA 14 stepper motor. ... In stock units normally ship between 1-3...
      IRLabs
    • Cryogenic Motors - AllDrives and Controls
      At what temperature should a cryogenic motor be considered? A cryogenic motor should be considered anytime the operating temperatu...
      www.alldrivesandcontrols.co.uk
    • Stepper Motor VSS (CRYO) needed? | Morskate Drive Technology
      The Stepper Motor VSS (CRYO) is a two-phase stepper motor for ultra high vacuum applications. It's suitable for low temperatures o...
      Morskate Drive Technology
    • Cryogenic Motors, Cryogenic Stepper Motors & Resolvers - Empire Magnetics Inc - Motors That Survive
      Cryogenic stepper motors are designed for temperatures as low as 20 degrees Kelvin. They are made with materials that are resistan...
      Empire Magnetics Inc
    • Cryogenic Stepper Motors Frame Sizes - Empire Magnetics Inc - Motors That Survive
      Cryogenic electric motors are designed to perform in environments where ordinary motors are unsuitable. They are typically made in...
      Empire Magnetics Inc
    • Nema 34 86*118mm 5.5N.m Cryogenic Stepper Motor
      It can operate reliably in conditions as low as -196°C, significantly enhancing the motor's lifespan and performance in extreme en...
      www.ctrl-motor.com
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    Cryogenic Stepper Motors and Resolvers


    Empire Magnetics Inc
    https://www.empiremagnetics.com › prod_cryogenic › cr...
    Empire Magnetics Inc
    https://www.empiremagnetics.com › prod_cryogenic › cr...
    Dive Deeper
    Cryogenic motors engineered for ultra-low temperatures, with special materials and dry lubrication for reliable performance in cryogenic applications ...

    Cryogenic Motor


    IRLabs
    https://www.irlabs.com › Shop
    IRLabs
    https://www.irlabs.com › Shop
    Dive Deeper
    Cryo-prepared and tested NEMA 14 stepper motor. ... In stock units normally ship between 1-3 days. Backordered units normally ship in 2 weeks. Dewar Accessories, ...Read more
    $249.00 · In stock · $61.36 delivery · 30-day returns

    Cryogenic Stepper Motors Frame Sizes


    Empire Magnetics Inc
    https://www.empiremagnetics.com › prod_cryogenic › cr...
    Empire Magnetics Inc
    https://www.empiremagnetics.com › prod_cryogenic › cr...
    Dive Deeper
    These Cryogenic Stepper Motors are relatively low power useful for a wide range of industrial applications. Torque range of 13 to 26 oz-in.Read more

    In-Vacuum Stepper Motors Cryo Motors - Phytron


    phytron.eu
    https://www.phytron.eu › motoren_aktuatoren › pdf
    phytron.eu
    https://www.phytron.eu › motoren_aktuatoren › pdf
    PDF
    Dive Deeper
    The motor rating plate has the rated phase current [A] as the last digits of the motor's type number. Example: VSS 32.200.1,2. Motor type VSS 32, 200 steps/rev.Read more
    30 pages

    Nema 34 86*118mm 5.5N.m Cryogenic Stepper Motor


    ctrl-motor.com
    https://www.ctrl-motor.com › nema-34-86118mm-55nm...
    ctrl-motor.com
    https://www.ctrl-motor.com › nema-34-86118mm-55nm...
    Dive Deeper
    The HS86118W Nema 34(86mm) cryogenic stepper motor features a precise step angle of 1.8 degrees, compact dimensions of 86mm in diameter and 118mm in length.Read more
    5.0 · Review by Angelina Jolie

    Cryogenic Stepper Motors - Frame Sizes


    IP Tech
    https://www.iptech1.com › pdf › emac2
    IP Tech
    https://www.iptech1.com › pdf › emac2
    PDF
    Dive Deeper
    Empire Magnetics cryogenic motors can be expected to operate normally at room temperature. However moisture contamination of the lubrication needs to be avoided ...Read more
    44 pages

    Cryogenic Testing Of Stepper Motors


    SPIE Digital Library
    https://www.spiedigitallibrary.org › 12.933437.full
    SPIE Digital Library
    https://www.spiedigitallibrary.org › 12.933437.full
    Dive Deeper
    by SM Pompea · 1982 · Cited by 4 — Stepper motors operating at temperatures below 16°K may be used extensively in high sensitivity infrared instruments. However, the behavior and reliability ...Read more

    Applications of Cryogenic Motors in the Biomedical Industry


    ctrl-motor.com
    https://www.ctrl-motor.com › applications-of-cryogenic-...
    ctrl-motor.com
    https://www.ctrl-motor.com › applications-of-cryogenic-...
    Dive Deeper
    Nov 3, 2025 — Therefore, cryogenic stepper motors are specially designed and manufactured products with the following characteristics: Special Lubrication: ...Read more

    Empire Magnetics Inc.: Cryogenic Stepper Motors - ecet.us


    ecet.us
    https://www.ecet.us › product-p › vc-cyvx
    ecet.us
    https://www.ecet.us › product-p › vc-cyvx
    Dive Deeper
    Frame Size 11: Nominal outer dimension of 1.1 inches, these Cryogenic Stepper Motors are very low power, suitable primarily for instrumentation applications.Read more
    30-day returns

    Stepper Motor VSS (CRYO) needed?


    Morskate Drive Technology
    https://www.morskatedrivetechnology.com › stepper-mot...
    Morskate Drive Technology
    https://www.morskatedrivetechnology.com › stepper-mot...
    Dive Deeper
    Two-phase stepper motors for applications in ultra high vacuum (Cryo) up to 10-11 mbar · Suitable for low temperatures: He (-269 °C) or N2 (-196 °C) · Radiation ...Read more
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