FBR Low Backlash Right Angle Planetary Gearbox, right angle planetary gearbox for laser cutting machines

The FBR low backlash right angle planetary gearbox is engineered for high-performance automation systems that require exceptional accuracy, long service life, and stable torque transmission. Built with a compact right-angle structure, the FBR series is the ideal solution for industrial environments with limited installation space, high dynamic load requirements, and machines demanding precise positioning under continuous operation.

Using high precision helical gear technology, the FBR low backlash right angle planetary gearbox achieves smooth and quiet rotation, significantly minimizing vibration and noise during high-speed cycles. This makes it particularly suitable for advanced laser machinery, robotics, CNC automation, mining equipment, and servo-driven machinery. With backlash lower than 3 arc-minutes in precision-grade configurations, engineers can expect excellent repeatability, improved machining accuracy, and reliable long-term performance.

The FBR series incorporates an integrated ball-bearing structure, which drastically enhances torsional rigidity and torque capacity. This design allows the gearbox to withstand frequent start-stop cycles, high acceleration, and heavy-load operating conditions without performance degradation. Its high mechanical strength and rigid internal structure make it a dependable choice for applications requiring both stability and powerful torque output, such as industrial lasers and heavy-duty mining machines.

To prevent lubrication issues commonly found in traditional gear reducers, the FBR planetary gearbox is filled with high-viscosity synthetic grease that resists separation and leakage. This ensures consistent lubrication performance throughout its 20,000-hour service life, allowing customers to enjoy true maintenance-free operation. Combined with its IP65 protection rating, the gearbox withstands harsh environments including dust-prone facilities, humid conditions, and demanding outdoor operations.

Engineers designing equipment for laser cutting, mineral extraction, heavy machinery automation, or compact servo systems will appreciate the FBR low backlash right angle planetary gearbox’s optimal balance of precision, efficiency (up to 97%), low noise (≤62–68 dB), long service life, and torque capacity reaching up to 655 Nm. This makes the FBR series right angle planetary gearbox one of the most cost-effective and reliable right-angle gearboxes in the precision robotics and automation industry.

For performance verification and engineering calculations, users may reference international mechanical engineering authorities such as the American Gear Manufacturers Association (AGMA), ISO gear standards, and the Engineering Toolbox. These reputable resources provide gear design guidelines, torque calculation references, and industry-accepted mechanical standards that help validate gearbox performance data and enhance the authority score of your product page.

  • Quiet Helical Gear Operation
    Helical gear construction ensures exceptionally smooth transmission, keeping noise levels low even at high rotational speeds—critical for laboratories, laser processing systems, and precision manufacturing environments.
  • High Precision, Low Backlash
    Precision backlash rating as low as ≤8 arc-minutes ensures highly accurate positioning and stable repeated motion, improving output quality in laser cutters, CNC machines, and robotic automation.
  • High Rigidity & High Torque Capacity
    Integrated ball bearings enhance structural rigidity and torque capability, reducing deflection and maintaining accuracy under heavy loads or rapid acceleration cycles.
  • Universal Mounting Compatibility
    The modular flange and connector design makes the FBR low backlash right angle planetary gearbox fully compatible with global servo motor brands, simplifying machine integration.
  • Zero Grease Leakage
    Specialized synthetic grease prevents separation and leakage, reducing maintenance and ensuring dependable long-term lubrication.
  • Maintenance-Free Design
    No grease replacement is required for the entire service life, reducing maintenance costs and improving machine uptime.
SpecsUnitStageRatioFBR040FBR060FBR090FBR120FBR160
Rated Output Torque / T2NNm132560135213347
Rated Output Torque / T2NNm142455145295547
Rated Output Torque / T2NNm152765165335655
Rated Output Torque / T2NNm172455145305555
Rated Output Torque / T2NNm1101965160335655
Rated Output Torque / T2NNm2152555135213347
Rated Output Torque / T2NNm2202455145295547
Rated Output Torque / T2NNm2252765165335655
Rated Output Torque / T2NNm2302760135213347
Rated Output Torque / T2NNm2352765165335655
Rated Output Torque / T2NNm2402755145295547
Rated Output Torque / T2NNm2502565165335655
Rated Output Torque / T2NNm2702455145305555
Rated Output Torque / T2NNm21001965160335655
Max Output Torque / T2max¹Nm1,23-1003×Nominal Output Torque
Rated Input Speed / n1Nrpm1,23-10030003000300030002500
Max Input Speed / n1mrpm1,23-10050005000500050003600
Precision Backlash P1arcmin13-10≤8≤8≤8≤8≤8
Precision Backlash P1arcmin212-100≤10≤10≤10≤10≤10
Standard Backlash P2arcmin13-10≤11≤11≤11≤11≤11
Standard Backlash P2arcmin212-100≤13≤13≤13≤13≤13
Torsional RigidityNm/arcmin1,23-10036122250
Max Radial Force / Frmax²N1,23-100320460130032006520
Max Axial Force / Famax²N1,23-10016023066016003260
Service Lifehr1,23-10020000h
Efficiency / η%13-10≥97%
Efficiency / η%215-100≥94%
Weightkg13-100.730.992.14.9818.2
Weightkg215-1001.051.463.26.9224.9
Operating Temperature1,23-100(-25℃~+90℃)
Lubrication1,23-100Synthetic Grease
Protection Class1,23-100IP65
Mounting Position1,23-100Any Direction
Noise Level (n1=3000rpm, No load)dB(A)1,23-100≤62≤63≤65≤67≤68
Moment of Inertiakg·cm²130.030.160.613.259.21
Moment of Inertiakg·cm²140.030.140.482.747.54
Moment of Inertiakg·cm²150.030.130.472.717.42
Moment of Inertiakg·cm²170.030.130.452.657.25
Moment of Inertiakg·cm²1100.030.130.452.627.14
Moment of Inertiakg·cm²212-400.030.130.442.587.07
Moment of Inertiakg·cm²250-1000.030.130.442.577.04
FBR Precision Right Angle Planetary Gearbox dimension Stage1
FBR Precision Right Angle Planetary Gearbox dimension Stage2
  • FBR Precision Planetary Gearbox Catalog
  • Right Angle Precision Gearbox Technical Manual
  • FBR Installation & Maintenance Guide
  • 2D Drawings & 3D CAD Files
  • Torque Curves & Performance Charts
  • Laser Equipment: The FBR low backlash right angle planetary gearbox is widely used in: laser cutting machines; laser engraving systems; precision optical platforms; high-speed scanning and motion modules. Its stable transmission and quiet helical gears effectively reduce vibration and noise, enabling superior beam accuracy, cleaner cuts, and higher positioning reliability.
  • Mining Machinery: In mining and heavy-duty machinery, the FBR low backlash right angle planetary gearbox provides: high-temperature resistance; moisture resistance; excellent dust protection; strong torque output; energy-efficient performance; long-life stability under extreme loads. It is well-suited for conveyor systems, drilling equipment, crushing machinery, and automated mineral handling systems.