CSG-2A-LW component set: zero backlash, sizes 14-45, ratios 30-160, cross-roller output bearing.
COMPONENT
Ideal for high torque applications, CSG 2A is available in 10 sizes with gear reduction ratios from 50:1 to 160:1.
A lightweight version of our CSG-2UH high torque, compact precision gearhead. Zero backlash and exceptional accuracy and repeatability
A lightweight version of our CSF-2UH compact precision gearhead. Zero backlash and exceptional accuracy and repeatability.
CSG-2UH is a high torque housed component gear set combined with a precision cross roller output bearing & flange. It is a very compact, robust and easy to use gearhead solution. The CSG-2UH is available in 10 sizes with ratios 30:1 to 160:1.
The CSF-2UH series is a compact precision gearhead with zero backlash and exceptional accuracy and repeatability.
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.
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.
These new gear units have an ultra-flat configuration with high-moment stiffness.
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.
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.
Compact and easy to install, Harmonic Drive® CSF series gearing was primarily developed to meet the space constraints of the industry, while preserving performance
Featuring both an input and output shaft, this miniature gearhead is easy to use.
The Nidec Drive Technology (ex-Shimpo) FLEXWAVE WP strain wave gear series spans 6 frame sizes 35-100 and ratios 50-160 with rated output torque 7-382 Nm, peak 23-841 Nm and emergency-stop torque 46-1530 Nm; nominal input 3000 rpm, max 4000-8500 rpm and a 10,000 h rated life. Zero backlash with high torsional stiffness, cross-roller output bearing and only 0.39-4.5 kg mass, offered as simple unit, input-shaft unit or hollow-shaft unit for humanoid rotary joints and cobots.
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.
Harmonic Drive LLC (USA) CSF/CSG-2A strain-wave component sets comprise wave generator, flexspline and circular spline with zero backlash, high torsional stiffness and coaxial input/output, the core gearing for custom high-performance servo actuators; CSF standard-torque versions span 30:1-160:1 with 23-3400 Nm peak torque, CSG high-torque versions add 30% torque and 43% longer 10,000 h life at 50:1-160:1; used in industrial robotics, semiconductor equipment and spaceflight.
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.
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.
Sumitomo Drive Technologies' Fine Cyclo A-Series (FC type) is a precision cycloidal reducer kit for motion control: zero mechanical backlash and <1 arcmin lost motion across 6 sizes, ratios 29-179:1, nominal torque 149-3,900 Nm, acceleration torque 335-7,610 Nm, momentary peak up to 24,000 Nm, input speed to 6,150 rpm and torsional stiffness to 1,100 Nm/arcmin; grease-filled with keyway/clamp/spline input options for robot joints and machine-tool rotary tables.
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.
SPINEA (Slovakia, now part of Timken) is a European leader in precision cycloidal reduction and integrated actuators. DriveSpin combines an optimized servomotor with a TwinSpin cycloidal gear into a zero-backlash, high-dynamic actuator with high torsional/tilting stiffness and integrated output bearing: DS Standard covers 18-460 N·m rated torque with up to 1150 N·m acceleration/braking torque, ratios 47-133, 2000 rpm rated input; DSH hollow-shaft, DSM modular and DSF flat variants complete the line. Used in 6-axis robots, gantries and manipulators, CNC machines, bending machines, medical equipment, aerospace, flight simulators, semiconductor and radar systems.
SPINEA (Slovakia, now part of Timken) is the global benchmark for trochoidal (cycloidal) precision reduction gears. TwinSpin integrates a high-precision reduction mechanism with a high-capacity radial-axial output bearing in one unit: zero backlash, lost motion under 1 arcmin, average transmission error +/-18 to +/-36 arcsec. The cylindrical-case T series spans TS 60-TS 300 (9 sizes) with ratios 33-191, rated torque 37-2,940 N-m, emergency-stop capacity up to 14,700 N-m, torsional stiffness to 680 N-m/arcmin and tilting stiffness to 3,500 N-m/arcmin at only 0.86-55.7 kg; the load mounts directly on the output flange without extra bearings. Used in robotics, machine tools, medical, defense and automation.
