Strain wave servo-gearbox FHG-I-32

coaxialkeyed bore1000 - 5000 Nm

Introduction
The FHG-I series strain wave gear box features an integrated cam structure for its wave generator. The size of the cam shaft hole can be adjusted according to the customer's motor model, with the input shaft directly fitting into the inner bore of the wave generator and connected via a flat key. It incorporates a built-in high-rigidity cross roller bearing (main bearing). Generally, it is used with the rigid wheel end fixed and the flexspline end output, or with the flexspline fixed and the rigid wheel end output as the connection method.

Features

• The integrated cam structure facilitates easy installation and offers more installation options.
• Excellent rotational accuracy and positioning accuracy.
• High torque capacity.
• High rigidity.
• Input and output are coaxial.

Specification - Starting torque (unit: cNm)
Header: Type / Reduction ratio: 11, 14, 17, 20, 25, 32, 40
50: -, 8.8, 27, 36, 56, 85, 136
80: -, 7.5, 25, 33, 50, 74, 117
100: -, 6.9, 24, 32, 49, 72, 112
120: -, 6.9, 24, 31, 48, 68, 110
160: -, -, -, -, 31, 47, 67, 105

Moment load table (design & permissible values)
Model: FHG-14 — Mb di 41 Nm; Mb max 80 Nm; Ft di 270 N; Ft max 490 N; Fa di 270 N; Fa max 490 N
Model: FHG-17 — Mb di 72 Nm; Mb max 140 Nm; Ft di 400 N; Ft max 700 N; Fa di 400 N; Fa max 700 N
Model: FHG-20 — Mb di 140 Nm; Mb max 280 Nm; Ft di 650 N; Ft max 1150 N; Fa di 650 N; Fa max 1150 N
Model: FHG-25 — Mb di 243 Nm; Mb max 480 Nm; Ft di 900 N; Ft max 1600 N; Fa di 900 N; Fa max 1600 N
Model: FHG-32 — Mb di 460 Nm; Mb max 900 Nm; Ft di 1350 N; Ft max 2300 N; Fa di 1350 N; Fa max 2300 N
Model: FHG-40 — Mb di 600 Nm; Mb max 1200 Nm; Ft di 2000 N; Ft max 3500 N; Fa di 2000 N; Fa max 3500 N

Performance / Rated torque and related limits (excerpted values from specification table)
Table header context: columns include Model | Reduction ratio | Rated torque at 2000 r/min input (Nm / kgfm) | Permissible peak torque at start/stop (Nm / kgfm) | Permissible maximum average load torque (Nm / kgfm) | Permissible maximum input rotational speed (Grease) r/min | Backlash (Arc Sec) | weight (kg) | Design life (Hour) etc.

Model 14 (selected rows):
Reduction 50: Rated torque 7 Nm / 0.7 kgfm; Peak torque 23 Nm / 2.3 kgfm; Avg torque 9 Nm / 0.9 kgfm; Perm. max input rotational speed (grease): 8500 r/min; Max input rotational speed (other): 3500 r/min; Backlash ≤20 arc sec; FHG gear ratio factors: FHG-I/II:0.40; FHG-III:0.7; FHG-IV:0.66; FHG-V:0.40; Design life: 10000 h
Reduction 80: Rated torque 10 Nm / 1.0 kgfm; Peak torque 30 Nm / 3.0 kgfm; Avg torque 14 Nm / 1.4 kgfm; Perm. max input rotational speed: 15000 r/min
Reduction 100: Rated torque 10 Nm / 1.0 kgfm; Peak torque 36 Nm / 3.6 kgfm; Avg torque 14 Nm / 1.4 kgfm; Perm. max input rotational speed: 15000 r/min
Reduction 120: Rated torque 10 Nm / 1.0 kgfm; Peak torque 36 Nm / 3.6 kgfm; Avg torque 14 Nm / 1.4 kgfm; Perm. max input rotational speed: 15000 r/min

Model 17 (selected rows):
Reduction 50: Rated torque 21 Nm / 2.1 kgfm; Peak torque 44 Nm / 4.5 kgfm; Avg torque 34 Nm / 3.4 kgfm; Perm. max input rotational speed (grease): 7300 r/min; Max input rotational speed: 3500 r/min; Backlash ≤20 arc sec; FHG ratio factors: FHG-I/II:0.54; FHG-III:0.99; FHG-IV:0.90; FHG-V:0.62; Design life: 10000 h
Reduction 80: Rated torque 29 Nm / 2.9 kgfm; Peak torque 56 Nm / 5.7 kgfm; Avg torque 35 Nm / 3.6 kgfm; Perm. max input rotational speed: 15000 r/min
Reduction 100: Rated torque 31 Nm / 3.2 kgfm; Peak torque 70 Nm / 7.2 kgfm; Avg torque 51 Nm / 5.2 kgfm; Perm. max input rotational speed: 15000 r/min

Model 20 (selected rows):
Reduction 50: Rated torque 33 Nm / 3.3 kgfm; Peak torque 73 Nm / 7.4 kgfm; Avg torque 44 Nm / 4.5 kgfm; Perm. max input rotational speed (grease): 6500 r/min; Max input rotational speed: 3500 r/min; Backlash ≤20 arc sec; FHG ratio factors: FHG-I/II:0.72; FHG-III:1.32; FHG-IV:1.29; FHG-V:0.82; Design life: 10000 h
Reduction 80: Rated torque 44 Nm / 4.5 kgfm; Peak torque 96 Nm / 9.8 kgfm; Avg torque 61 Nm / 6.2 kgfm; Perm. max input rotational speed: 15000 r/min
Reduction 100: Rated torque 52 Nm / 5.3 kgfm; Peak torque 107 Nm / 10.9 kgfm; Avg torque 64 Nm / 6.5 kgfm; Perm. max input rotational speed: 15000 r/min

Model 25 (selected rows):
Reduction 50: Rated torque 51 Nm / 5.1 kgfm; Peak torque 127 Nm / 13 kgfm; Avg torque 72 Nm / 7.3 kgfm; Perm. max input rotational speed (grease): 5600 r/min; Max input rotational speed: 3500 r/min; Backlash ≤20 arc sec; FHG ratio factors: FHG-I/II:1.22; FHG-III:2.02; FHG-IV:1.99; FHG-V:1.40; Design life: 10000 h
Reduction 80: Rated torque 82 Nm / 8.4 kgfm; Peak torque 178 Nm / 18 kgfm; Avg torque 113 Nm / 12 kgfm; Perm. max input rotational speed: 15000 r/min

Model 32 (selected rows):
Reduction 50: Rated torque 99 Nm / 10 kgfm; Peak torque 281 Nm / 29 kgfm; Avg torque 140 Nm / 14 kgfm; Perm. max input rotational speed (grease): 4800 r/min; Max input rotational speed: 3500 r/min; Backlash ≤20 arc sec; FHG ratio factors: FHG-I/II:2.54; FHG-III:4.20; FHG-IV:4.00; FHG-V:2.70; Design life: 10000 h
Reduction 80: Rated torque 153 Nm / 16 kgfm; Peak torque 395 Nm / 40 kgfm; Avg torque 217 Nm / 22 kgfm; Perm. max input rotational speed: 15000 r/min

Model 40 (selected rows):
Reduction 50: Rated torque 178 Nm / 18 kgfm; Peak torque 523 Nm / 53 kgfm; Avg torque 255 Nm / 26 kgfm; Perm. max input rotational speed (grease): 4000 r/min; Max input rotational speed: 3000 r/min; Backlash ≤20 arc sec; FHG ratio factors: FHG-I/IV:4.40; FHG-III:7.20; FHG-IV:7.00; FHG-V:4.06; Design life: 10000 h
Reduction 80: Rated torque 268 Nm / 27 kgfm; Peak torque 675 Nm / 69 kgfm; Avg torque 369 Nm / 37 kgfm; Perm. max input rotational speed: 15000 r/min

Notes
• The product is available in multiple sizes/models (FHG-14, FHG-17, FHG-20, FHG-25, FHG-32, FHG-40) with different reduction ratios (e.g., 11, 14, 17, 20, 25, 32, 40 and common reductions such as 50, 80, 100, 120, 160).
• Built-in high-rigidity cross roller main bearing.
• Input shaft fits directly into wave generator bore and connects via flat key; cam shaft hole size adjustable per motor model.

caractéristiques / spécifications techniques

• Series: FHG-I series (Coaxial input and output strain wave gear box).
• Integrated cam wave generator design for easier installation and more installation options.
• Coaxial input and output configuration.
• Built-in high-rigidity cross roller bearing (main bearing).
• Connection methods: rigid wheel end fixed with flexspline output, or flexspline fixed with rigid wheel end output.
• Available models/sizes: FHG-14, FHG-17, FHG-20, FHG-25, FHG-32, FHG-40.
• Starting torque values (cNm) and reduction ratios: detailed in starting torque table above.
• Moment load design & permissible values (Mb, Ft, Fa) provided per model in moment load table above.
• Rated torque, permissible peak torque, permissible average load torque, permissible maximum input speeds, backlash (≤20 arc sec typical), weight and design life details provided in full specification tables above.