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PB Series Planetary Gearboxes | Designed for Cryogenic Environments
Cryogenic Environment Solutions

PB Series Planetary Gearboxes | Designed for Cryogenic Environments

Vacuum · Cryogenic · High-temperature · Radiation

  • Extreme-Environment Compatibility for Cryogenic Use: Engineered to withstand cryogenic temperatures down to -196°C, as well as high temperatures up to +200°C, vacuum levels as low as 10⁻⁷ Pa, and radiation exposure up to 10⁶ Gy, this planetary gearbox ensures reliable operation in deep‑cold applications.

  • Versatile Application Scope: Widely used in semiconductor manufacturing, biomedical equipment, aerospace, nuclear facilities, and general automation, this planetary gearbox is the ideal choice for extreme‑environment motion control systems, including those requiring cryogenic performance.

  • High Rigidity & Durability: Engineered for exceptional rigidity and stability, this planetary gearbox maintains accuracy under heavy loads and harsh operating environments, even at low temperatures.

  • Torque Multiplication: By effectively increasing motor torque, this planetary gearbox optimizes mechanical transmission systems and enables handling of high‑load applications with ease in cryogenic settings.

  • Enhanced Precision & Control: This planetary gearbox provides superior step resolution and optimal inertia ratios, ensuring precise movements and improved system efficiency for low‑temperature precision tasks.

  • Advanced Design & Materials: Utilizing high‑quality materials, advanced structural designs, and cutting‑edge lubrication technologies that perform reliably at cryogenic temperatures, this planetary gearbox delivers dependable performance in the most demanding conditions.

    Key Features

    ● Stepper motors for operations in vacuum, cryogenic, high temperature and radiation applications

    ● Vacuum: up to 10-7Pa
    ● Operating temperature: down to -80℃ , up to 200℃
    ● Radiation resistance: up to 106Gy
    ● Frame size: 42/60/90/115/142/180mm 
    ● Rated torque load: 5 to 1200Nm
    ● Ratio : 3 to 100
    ● Output shaft: in-line (PB series)

    Options

    ● Side Handwheel

    Applications

    ● Biomedical
    ● Semiconductor manufacturing
    ● 3C manufacturing
    ● Scientific Instruments
    ● in-vacuum equipment
    ● Nuclear energy
    ● Military and Aerospace
    ● automative parts testing
    ● General Automation

    pb

    ① Product series

    PB series in-line planetary gearbox

    PBR series 90° rectangle planetary gearbox


    ② Flange size

    42/60/90/115/142/180mm


    ③ Reduction stage

    L1=1 stage           

    L2=2 stages 


    ④ Reduction ratio

    1 stage:3,4,5,6,7,8,10

    2 stages:12,15,16,20,25,30,32,35,36,40,50,60,64,70,80,100


    ⑤ Environmental temperature ratings

    Environmental temperature rating code

    Temperature range

    (℃)

    Vacuum class

    (Pa, optional)

    Radiation resistance

    (Gy, optional)

    RHT -20~+200 10-3 106
    SHT -20~+200 10-3/10-5/10-7 -
    HT -20~+150 10-3/10-5/10-7 -
    NTL1 -40~+85 10-3/10-5 -
    NTL2 -40~+100 - -
    NTL3 -65~+125 10-3 -
    NTL4 -80~+40 10-3 -
    NTL5 -55~+150 - -
    ⑥ Vacuum class code

    Blank = Non-vacuum              

    V3 = Low pressure or vacuum to 10-3Pa       

    V5 = Vacuum to 10-5Pa         

    V7 = Vacuum to 10-7Pa     


    ⑦ Radiation resistance code

    Blank = No radiation resistance              

    RH = Radiation resistance (total dose 106Gy)


    ⑧ Designator of mounted motor

    e.g. 

    KH86 = KH series 86mm stepper motor                   

    KVM57 = KVM series 57mm stepper motor

    KECM750 = KECM series 750W servo motor          

    KSSM400 = KSSM series 400W servo motor

    Technical Specifications

    Items Stage Ratio PB42 PB60 PB90 PB115 PB142 PB180

    Rated torque load T2N

    (N.m)

    1 3 19 55 130 208 342 588
    4 20 50 140 290 542 1050
    5 20 60 160 330 650 1200
    6 - 55 150 310 600 1100
    7 19 35 140 300 550 1100
    8 - 35 120 260 500 1000
    10 14 23 100 230 450 900
    2 12 19 55 140 290 542 1050
    15 19 55 160 330 650 1200
    16 20 50 140 290 542 1050
    20 20 50 140 290 542 1050
    25 20 60 160 330 650 1200
    30 19 60 160 330 650 1200
    32 - 50 140 290 542 1050
    35 20 60 160 330 650 1200
    36 - 55 150 310 600 1100
    40 20 60 160 330 650 1200
    50 20 60 160 330 650 1200
    60 - 55 150 310 600 1100
    64 - 35 120 260 500 1000
    70 19 35 140 300 550 1100
    80 - 35 120 260 500 1000
    100 14 23 100 230 450 900
    ≥3 >100 Please contact us  for specifications of reduction stage 3 or higher

    Technical Specifications

    Items Stage Ratio PBR42 PBR60 PBR90 PBR115 PBR142 PBR180

    Rated torque load T2N

    (N.m)

    1 3 19 55 130 208 342 588
    4 20 50 140 290 542 1050
    5 20 60 160 330 650 1200
    6 - 55 150 310 600 1100
    7 19 35 140 300 550 1100
    8 - 35 120 260 500 1000
    10 14 23 100 230 450 900
    2 12 19 55 140 290 542 1050
    15 19 55 160 330 650 1200
    16 20 50 140 290 542 1050
    20 20 50 140 290 542 1050
    25 20 60 160 330 650 1200
    30 19 60 160 330 650 1200
    32 - 50 140 290 542 1050
    35 20 60 160 330 650 1200
    36 - 55 150 310 600 1100
    40 20 60 160 330 650 1200
    50 20 60 160 330 650 1200
    60 - 55 150 310 600 1100
    64 - 35 120 260 500 1000
    70 19 35 140 300 550 1100
    80 - 35 120 260 500 1000
    100 14 23 100 230 450 900
    ≥3 >100 Please contact us  for specifications of reduction stage 3 or higher

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