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FG Series Precision Planetary Gearbox
KFLONG / KOFON · Precision Planetary Gearbox

FG Series Precision Planetary Gearbox

High-load planetary reducer with ultra-precision ≤1 arcmin backlash

440 Nm
Max Torque
≤1 arcmin
Backlash (P0)
IP65
Protection
50,000 h
MTBF
KFLONG / KOFON
CE Certified · UL Listed · ISO 9001/14001/45001 · TÜV NORD CTF Lab

What Is KFLONG FG120 Planetary Gearbox?

The FG120 is KFLONG's flagship precision planetary reducer featuring oil-lubricated P0-grade gears with ≤1 arcmin backlash. Designed for 24/7 operation in robotics and high-precision automation systems, it delivers 440Nm output torque with exceptional positional accuracy.

Ultra-Precision

P0-grade ≤1 arcmin backlash for robotic applications

High Torque

440Nm rated output torque in compact 120mm frame

Oil Lubrication

Extended service life with optimized thermal management

Core Features & Benefits

Servo Compatibility

Direct coupling with global servo motor brands

Robotics Ready

Validated in humanoid robot joint modules (12m/s peak speed)

Premium Materials

Case-hardened alloy steel gears with precision grinding

Technical Specifications

FG120 Technical Specifications
Frame Size120mm
Rated Torque440 Nm
Peak Torque880 Nm
Backlash (P0)≤1 arcmin
Single-Stage Ratio4/5/6/7/8/9/10
Double-Stage Ratio16-60
Efficiency≥97%
Weight12.5 kg
Protection ClassIP65
LubricationSynthetic oil (P0)

Complete Model Comparison

ModelTorque (Nm)BacklashLubricationFrame (mm)
FG120440≤1 arcminOil120
FH090220≤3 arcminOil90
FX090180≤1 arcminGrease90
KPLN320≤3 arcminGrease110

Industry Applications

Industrial Robotics

  • Articulated arms
  • Delta robots
  • SCARA systems

Automation

  • Packaging machines
  • CNC rotary tables
  • Precision conveyors

Specialized Equipment

  • Medical devices
  • Semiconductor tools
  • Optical alignment

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