AT dual output right angle servo gearbox

Product Overview

The AT-LM (Left) and AT-RM (Right) series dual output right angle servo gearbox is a high-performance right angle gearbox designed for automation, CNC equipment, motion control machinery, and demanding industrial applications. This series features a unique dual output shaft with opposite rotation direction, making it ideal for synchronized mechanical transmission, tension control, dual-axis motion, and left-right coordinated drives.

The AT dual output right angle servo gearbox combines a precision planetary mechanism with a helical bevel gear system, producing extremely smooth rotation, high torque density, and outstanding energy efficiency. Manufactured using SCM415 nickel-chromium alloy steel and hardened to HRC60, the core gears deliver exceptional strength, long service life, and low noise performance.

Designed for versatile industrial applications, the AT-LM / AT-RM series dual output right angle servo gearbox supports a broad range of torque and speed requirements, accommodating various servo motors and machine configurations. Its dual output shaft ensures precise synchronization of multi-axis machinery, enabling smooth and coordinated motion for conveyors, robotic arms, packaging automation, and other complex systems. The compact right-angle layout allows flexible installation in space-constrained environments, while optimized bearings, low backlash, and maintenance-free lubrication ensure consistent performance, high reliability, and long-term durability in demanding automation and servo-driven applications.

Understanding helical bevel gear engineering: ASME Mechanical Engineering

Gear standards and accuracy: American Gear Manufacturers Association (AGMA)

Motion control & automation basics: Motion Control Online

Key Features

  • High Strength & Long Life
    The dual output right angle servo gearbox uses high-precision helical bevel gears manufactured from SCM415 alloy steel, carburized and hardened to HRC60. This gear quality significantly increases torsional rigidity, load capacity, and resistance to fatigue failure—key performance indicators for any right-angle servo gear reducer.
  • High Efficiency Helical Bevel + Planetary Design
    A refined combination of a high-efficiency planetary structure and a precision helical bevel gear set ensures:
    Low energy loss;
    High transmission efficiency;
    Stable and quiet operation
  • High Rigidity with Dual Tapered Roller Bearings
    For applications with frequent load fluctuations, the AT-LM/AT-RM dual output right angle servo gearbox uses dual tapered roller bearings, providing:
    Increased radial and axial load capacity;
    Improved torsional stiffness;
    Longer service life under dynamic cycles
  • Multi-Configuration Output Options
    The AT 90° servo reducer supports a wide range of applications with multiple output structures:
    Single output shaft;
    Dual output shaft (LM/RM opposite rotation);
    Hollow shaft output;
    Hollow flange output;
    Tapered hollow shaft;
    Screw-driven linear output
  • Compact Size & Space-Saving
    Frame sizes range from 55 mm to 220 mm, providing:
    High torque density;
    Space-efficient installation;
    Small footprint;
    This is ideal for compact machinery and robotics.
  • Easy, 5-Sided Mounting
    The dual output right angle servo gearbox can be mounted on five surfaces, enhancing installation flexibility across different machine layouts.
  • Wide Motor Compatibility
    Compatible with servo motors from 50W to 15kW, including:
    Yaskawa, Mitsubishi, Panasonic, Siemens, Delta, Schneider, and more.

Technical Information

SpecificationUnitStageRatioAT065AT075AT090AT110AT140AT170AT210AT240AT280
Rated Output Torque / T2NNm11254578150360585130021503200
Rated Output Torque / T2NNm11.5254578150360585130021503200
Rated Output Torque / T2NNm12244268150330544122020103050
Rated Output Torque / T2NNm13183354120270450102016502850
Rated Output Torque / T2NNm1413284810022437686014102300
Rated Output Torque / T2NNm151225408519632074012102000
Max Acceleration Torque / T2BNm11~51.5×Rated Output Torque1.5×Rated Output Torque1.5×Rated Output Torque1.5×Rated Output Torque1.5×Rated Output Torque1.5×Rated Output Torque1.5×Rated Output Torque1.5×Rated Output Torque1.5×Rated Output Torque
Max Acceleration Input Speed / n1srpm11~5750065005500450035003000220020001700
Backlasharcmin11~5≤6≤6≤6≤6≤6≤6≤6≤6≤6
Allowable Radial Force / Fr (Input Shaft d1)N11~570095014502100270038007800960010500
Allowable Radial Force / Fr (Output Shaft d2)N11~590011001700270048006600115001600018000
Allowable Axial Force / Fa (Input Shaft d1)N11~5350425725105013501900390048005250
Allowable Axial Force / Fa (Output Shaft d2)N11~5450550850135024003300575085009000
Service Lifehr11~520000*20000*20000*20000*20000*20000*20000*20000*20000*
Efficiency / η%11~5≥98%≥98%≥98%≥98%≥98%≥98%≥98%≥98%≥98%
Operating Temperature°C11~5-10~90-10~90-10~90-10~90-10~90-10~90-10~90-10~90-10~90
Lubrication–11~5Fully Synthetic GreaseFully Synthetic GreaseFully Synthetic GreaseFully Synthetic GreaseFully Synthetic GreaseFully Synthetic GreaseFully Synthetic GreaseFully Synthetic GreaseFully Synthetic Grease
Noise Level (n1=1500rpm, No load)dB(A)11~5≤68≤70≤74≤76≤77≤78≤80≤82≤83
SpecificationUnitStageRatioAT065AT075AT090AT110AT140AT170AT210AT240AT280
Rotary Inertiakg·cm²110.511.303.167.7023.5758.99195.40369.34799.12
Rotary Inertiakg·cm²11.50.641.162.826.7419.3749.28155.45283.58595.78
Rotary Inertiakg·cm²120.441.112.706.3117.7545.35140.24249.74511.76
Rotary Inertiakg·cm²130.431.092.666.1717.1844.01134.95237.71483.06
Rotary Inertiakg·cm²140.431.092.656.1317.0643.70133.58234.72476.26
Rotary Inertiakg·cm²150.431.092.656.1217.0243.60133.14233.67473.58
Model No.UnitStageRatioAT065AT075AT090AT110AT140AT170AT210AT240AT280
L Serieskg11~52.64.26.811.619.834.866.298.1155.7
L1 Serieskg11~52.64.16.711.519.534.265.198.6153.4
H Serieskg11~52.53.96.411.018.131.660.089.4143.4
C Serieskg11~52.84.26.911.419.633.763.397.9149.1
R1 Serieskg11~52.64.16.711.519.534.265.198.6153.4
LM Serieskg11~53.55.69.015.224.142.481.4122.0190.9
RM Serieskg113.55.69.015.224.142.481.4122.0190.9
4M Serieskg113.55.69.115.424.842.682.5123.5193.3
AT-LM (RM) DOUBLE OUTPUT SHAFT OPPOSITE DIRECTION STEERING GEARBOX-Dimension

AT Series Catalog (PDF)
Installation & Maintenance Manual
3D CAD Models (STEP / IGES)

Applications

  • Industrial Machinery: CNC machining centers; CNC milling and turning machines; Laser cutting and plasma cutting equipment
  • Automation & Robotics: Cartesian robots; Collaborative robotic arms; Gantry systems; Pick-and-place automation
  • Packaging & Material Handling: Conveying systems requiring left/right synchronized motion; Automated packaging lines; Carton forming, sealing, wrapping equipment
  • Printing & Textile Machinery: Multi-roller synchronized transmission; Printing tension control systems; Textile stretching, winding, and take-up drives
  • Precision Motion Control: Semiconductor manufacturing equipment; Optical inspection machinery; Film coating and lamination machines

Contact Us

Looking for the right AT-LM / AT-RM right-angle servo gear reducer for your application? Need a custom output configuration or motor-matching service? Contact our engineering team for expert assistance. We provide quick selection support, motor adaptation, CAD drawings, and technical consultations.

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