#Harmonic Drive (18)

HarmonicGrease®

HarmonicGrease lubrication is offered in four varieties, each with unique characteristics.

COMPONENT

Harmonic reducersLubricating GreaseMaintenance and ServicingHarmonic Drive

Harmonic Drive FB-14-88-2-R Pancake Harmonic Gear Set (Zero Backlash, <3 arcmin)

Harmonic Drive FB-14-88-2-R pancake harmonic gear set (FB-2 family): size 14, ratio 88. Rated L10 torque 4.9 Nm, average limit 7.8 Nm, repeated peak 7.8 Nm, instantaneous peak 15.7 Nm, average input speed 2,500 rpm, backlash <3 arcmin, mass just 0.1 kg. The high-ratio ultra-flat design suits light-load joints and precision rotary mechanisms needing low speed and high torque.

COMPONENT

Harmonic reducersPancakeHarmonic DriveHigh Reduction RatioZero Backlash

Harmonic Drive FB-14-50-2-R Pancake Harmonic Gear Set (Zero Backlash, <3 arcmin)

Harmonic Drive FB-14-50-2-R pancake harmonic gear set (FB-2 family): size 14, ratio 50. Rated L10 torque 2.6 Nm, average limit 3.2 Nm, repeated peak 3.2 Nm, instantaneous peak 6.9 Nm, average input speed 2,500 rpm, backlash <3 arcmin, mass just 0.1 kg. Its ultra-thin flat profile suits space-constrained light-load joints, gimbals and rotary platforms.

COMPONENT

Harmonic reducersPancakeHarmonic DriveLight LoadZero Backlash

Harmonic Drive SHD-2SH Simplicity Super-Flat Harmonic Gear Unit (1-1.5 arcmin)

Zero backlash simplicity gear units with a large hollow input shaft and a robust cross roller bearing.

COMPONENT

Harmonic reducersUltra-thinHarmonic DriveSimplicityHigh Precision

Harmonic Drive FBS Hollow-Shaft Harmonic Gear Unit

Harmonic Drive FBS hollow-shaft harmonic gear units: sizes 25/32 with ratios 30/50/100 (6 models). Rated L10 torque 15-56 Nm, repeated peak 25-106 Nm, instantaneous peak 50-151 Nm, standard accuracy 2-3 arcmin, mass 1.3-2.2 kg. The large-bore hollow shaft routes cables, air lines and optical shafts through the axis, ideal for robot joints and rotary platforms needing in-axis wiring.

COMPONENT

Harmonic reducersHollow shaftsHarmonic DriveCrossing LineRobot joints

Harmonic Drive CSF-2UP Ultra-Flat Miniature Harmonic Gearhead

These new gear units have an ultra-flat configuration with high-moment stiffness.

COMPONENT

Harmonic reducersUltra-thinHarmonic DriveMiniatureZero Backlash

Harmonic Drive SHF-2A Silk-Hat Harmonic Component Gear Set (Zero Backlash, 1-2 arcmin)

Component set, silk hat type, the SHF-2A has a large hollow through hole and provides high torque capacity and exceptional positioning accuracy, all in a compact design.

COMPONENT

Harmonic reducersHarmonic DriveCrown-ShapeComponent-basedZero Backlash

Harmonic Drive HPF Hollow-Shaft Harmonic Planetary Gearhead (<3 arcmin)

Learn more about Harmonic Planetery® HPF Hollow Shaft Gear Unit

COMPONENT

Planetary gear reducersHollow shaftsHarmonic PlanetaryHarmonic DriveLow backlash

Harmonic Drive FB-2 Pancake Harmonic Component Gear Set (Zero Backlash, <3 arcmin)

An FB-2 is a cup type component set, without the bottom of the cup. It offers the design engineer high ratio, in-line mechanical power transmissions in extremely compact configurations.

COMPONENT

Harmonic reducersPancakeHarmonic DriveComponent-basedZero Backlash

Harmonic Drive CSF-2A Cup-Type Harmonic Gear Unit (Zero Backlash, 1-2 arcmin)

Compact and easy to install, Harmonic Drive® CSF series gearing was primarily developed to meet the space constraints of the industry, while preserving performance

COMPONENT

Harmonic reducersHarmonic DriveStrain Wave GearsCSFZero Backlash

Harmonic Drive CSF-1U Miniature Harmonic Gear Unit (from 10 g, Zero Backlash)

Featuring both an input and output shaft, this miniature gearhead is easy to use.

COMPONENT

Harmonic reducersSuper-MiniatureHarmonic DriveZero BacklashMedical robots

Harmonic Drive CSG/CSF Series Strain Wave Gear Component Sets

The Harmonic Drive CSG/CSF component sets (wave generator, flexspline, circular spline) are the industry-standard strain wave gears: 17 frame sizes CSG-5 to CSG-45, ratios 30-160, rated torque 0.94-921 Nm with peak 2.9-2940 Nm, speeds to 6500-18000 rpm and backlash ≤10-20 arc-sec - single-stage zero-backlash transmission with high torque density for humanoid rotary joints, cobots and precision tables.

COMPONENT

Harmonic reducersStrain Wave GearsCSGCSFHarmonic Drive

Harmonic Drive SHG-2A Silk-Hat Harmonic Gear Component Set (Peak Torque 6,175 Nm)

Harmonic Drive SHG-2A silk-hat component sets: 9 sizes from 14 to 65, ratios 50/80/100/120/160, rated L10 torque 7-1,236 Nm, repeated peak 23-3,419 Nm, momentary peak up to 6,175 Nm, standard accuracy ≤1 arcmin, mass 0.11-7.04 kg. The flanged hat-shaped flexspline is stiffer and more torque-dense than cup types and pairs with crossed-roller bearings to carry combined axial/radial joint loads in humanoids and high-payload servo turntables.

COMPONENT

Harmonic reducersHarmonic DriveSHGZero BacklashRobot joints

Harmonic Drive CSD-2A Cup-Type Harmonic Gear Component Set (Zero Backlash, ≤1 arcmin)

Harmonic Drive CSD-2A cup-type component sets (wave generator, flexspline and circular spline supplied separately for customer integration): sizes 14-50, ratios 50/80/100, rated L10 torque 3.7-329 Nm, repeated peak 12-686 Nm, momentary peak 24-1,440 Nm, standard accuracy ≤1 arcmin, mass 0.29-1.9 kg, K1 torsional stiffness 0.29-21×10^4 Nm/rad. Zero-backlash strain-wave design with cup-shaped flexspline for robot joints, semiconductor handling and precision servo axes.

COMPONENT

Harmonic reducersHarmonic DriveStrain Wave GearsCSDZero Backlash

Harmonic Drive CSG-2A Strain Wave Component Set

Harmonic Drive (Japan/US) invented strain wave gearing and leads the market. The CSG-2A is its second-generation cup-type component set: 10 sizes (14-65), ratios 50:1-160:1, repeated peak torque 23-3419 Nm and momentary peaks to 6175 Nm, zero backlash with high accuracy and a high-load output bearing, the de-facto standard reducer for robot joints; LW lightweight versions available.

COMPONENT

Strain WaveHarmonic DriveZero BacklashRobot jointsReducers

Harmonic Drive SHG-2A Silk-Hat Strain Wave Precision Component Set

Harmonic Drive is the inventor and global leader of strain wave (harmonic) gearing. The SHG-2A silk-hat component set (wave generator, flexspline, circular spline, output flange) is axially shorter than the cup-type CSG, spanning 10 sizes 14-65 with ratios 50-160: rated torque (L10) 7-1,236 N·m, repeated peak 23-3,419 N·m, momentary peak 46-6,175 N·m, backdriving start torque only 2.2-180 N·m, standard accuracy 1 arcmin (1.5 for size 14), zero backlash, torsional stiffness K1 0.47-54 x10^4 N·m/rad at 0.11-7.04 kg - ideal for axially constrained precision joints in humanoid/cobot shoulders, elbows and wrists.

COMPONENT

Harmonic reducersStrain Wave GearsHarmonic DriveSHG-2AHAT

Harmonic Drive CSG-2A Strain Wave Precision Reducer (Component Set)

Harmonic Drive is the inventor and global leader of strain wave (harmonic) gearing. The CSG-2A component set (wave generator, flexspline, circular spline) spans 10 sizes 14-65 with ratios 50-160: rated torque (L10) 7-1,236 N·m, repeated peak 23-3,419 N·m, momentary peak 46-6,175 N·m, standard accuracy 1 arcmin (1.5 for size 14), zero backlash and high torsional stiffness (K1 0.34-54 x10^4 N·m/rad) at only 0.09-6.7 kg - the go-to precision reducer for cobot, humanoid, semiconductor and optics joints.

COMPONENT

Harmonic reducersStrain Wave GearsHarmonic DriveCSG-2ARobot joints

Harmonic Drive CSD-2A Gear Component Set

The CSD-2A is Harmonic Drive’s ultra-compact gear component set: shortest design, low weight and a large hollow shaft for cables and shafts, ideal for tight installation spaces. Official data: ratios 50/80/100/120/160 with repeatable peak torques 12-823 Nm, hollow shaft Ø11-50 mm, sizes 14-50; reduced moment of inertia for high dynamics, ideal with integrated output bearing arrangement.

COMPONENT

Harmonic reducersGear AssemblyHarmonic DriveCSD-2AHollow shafts