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Sango Precision Planetary Gearbox

Precision Planetary
Gearbox

Precision planetary gearboxes engineered for servo and stepper motor systems, delivering low backlash, high torque density, and repeatable positioning across robotics and automation applications.

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P0 / P1 / P2 Precision Classification
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High Transmission Efficiency (>97%)
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Single Stage & Double Stages Gear Ratio
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Factory Direct Supply, Any Motor Matched
Huawei Technologies
Samsung Electronics
Tata Motors
Delta Electronics
Lens Technology
Eveready Industries
Beijing Institute of Technology
Ansell LTD
NRTC
Chantelle
PT Wings Surya
PT Sun Paper Source
PT Supreme Paper Solution
Huawei Technologies
Samsung Electronics
Tata Motors
Delta Electronics
Lens Technology
Eveready Industries
Beijing Institute of Technology
Ansell LTD
NRTC
Chantelle
PT Wings Surya
PT Sun Paper Source
PT Supreme Paper Solution

Planetary Gearbox Product Range

Inline Precision Planetary Gearbox (PLE Series)

Inline Precision Planetary Gearbox (PLE Series)

High torque coaxial planetary speed reducer engineered for servo and stepper motors, available in P0, P1, and P2 backlash classes for positioning accuracy from 1 to 5 arcminutes.

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Right Angle Planetary Reducer (WPL Series)

Right Angle Planetary Reducer (WPL Series)

90 degree spiral bevel planetary gearbox designed for compact lateral space installations, combining the ratio range of a planetary stage with a right angle output for tight machine layouts.

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Flange Output Planetary Gearbox (PLF Series)

Flange Output Planetary Gearbox (PLF Series)

ISO 9409 robotic mounting flange interface offering ultra high torsional rigidity and zero clearance output, built for direct coupling to robotic arms and rotary tooling.

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Precision Sun Gear

Precision Sun Gear

The sun gear is the core driving component of a planetary gear system, engineered through hardened and ground to maintain consistent mesh contact across the full gearbox service life.

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Helical Precision Planetary Gearbox (PLH Series)

Helical Precision Planetary Gearbox (PLH Series)

Helical gear tooth profile with ground gear flanks delivering whisper quiet noise levels below 55 dB while maintaining P1 grade backlash and over 97% single stage efficiency.

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Hollow Rotary Actuator Table (HRT Series)

Hollow Rotary Actuator Table (HRT Series)

Integrated planetary speed reducer with an oversized hollow center aperture for routing cables, pneumatic lines, or optical components directly through the rotary axis.

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Heavy Duty Planetary Gearhead (PLX Series)

Heavy Duty Planetary Gearhead (PLX Series)

Reinforced cast steel housing and dual taper roller bearings engineered to absorb 300 percent rated overhung load, suited to heavy robotic and material handling applications.

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Stepless Variable Speed Drive

Stepless Variable Speed Drive

Mechanical planet cone stepless speed variator offering continuous smooth speed adjustment without a VFD, ideal for conveyor and packaging line speed control.

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Hypoid Right Angle Servo Reducer

Hypoid Right Angle Servo Reducer

High gear ratio single stage hypoid gearset with a planetary output stage, delivering smooth right angle power transmission with reduced backlash compared to standard worm gear reducers.

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Micro Planetary Gear Motor (PLM Series)

Micro Planetary Gear Motor (PLM Series)

Ultra compact frame sizes from 16mm to 42mm outer diameter, designed for space constrained robotics, medical devices, and precision instrumentation applications.

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Stainless Steel Planetary Reducer (PLS Series)

Stainless Steel Planetary Reducer (PLS Series)

Full 304/316L stainless steel body with IP67 washdown protection and food grade lubrication, built for pharmaceutical, food processing, and washdown automation environments.

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Harmonic Drive Strain Wave Reducer

Harmonic Drive Strain Wave Reducer

Zero backlash strain wave gearhead delivering high reduction ratios from 30:1 to 160:1 in a single stage, suited to robotic joints requiring true zero backlash positioning.

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Popular Products

High precision planetary gearboxes trusted by robotics and automation builders worldwide.

Inline Planetary Gearbox (P1 Precision)

Inline Planetary Gearbox (P1 Precision)

High torque coaxial reducer with P1 backlash class (1 to 3 arcmin), matched to any servo or stepper motor.

Right Angle Servo Planetary Reducer

Right Angle Servo Planetary Reducer

90 degree spiral bevel output for compact lateral installations without sacrificing torsional rigidity.

Flange Output Precision Reducer

Flange Output Precision Reducer

ISO 9409 robotic mounting flange with ultra high torsional rigidity for direct robotic arm coupling.

Frequently Asked
Questions?

Sango Planetary Gearbox FAQ
What is the difference between P0, P1, and P2 backlash classes?

P0 is our tightest grade, under 1 arcminute of backlash, suited to high precision positioning applications. P1 typically falls between 1 and 3 arcminutes, and P2 between 3 and 5 arcminutes, offering a lower cost option where positioning tolerance requirements are less strict.

How fast can Sango deliver custom Planetary Gearboxes?
What precision backlash grades are available?
Can your planetary gearboxes match any servo or stepper motor brand?
Do you offer material certificates or inspection test reports?
What if my parts do not meet the required specifications?