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FHD

FHD
FHD

Product Overview

Product Overview

FHD Flexspline Gear

Compared to conventional designs, the FHD-I model reduces axial length by 50%, while the FHD-III achieves a 15% reduction, all without compromising product performance.

This compact and efficient configuration makes the FHD series an ideal choice for precision machinery, robotics, and automation systems requiring space-saving, high-torque, and reliable harmonic reducer solutions

Compared to conventional designs, the FHD-I model reduces axial length by 50%, while the FHD-III achieves a 15% reduction, all without compromising product performance.

This compact and efficient configuration makes the FHD series an ideal choice for precision machinery, robotics, and automation systems requiring space-saving, high-torque, and reliable harmonic reducer solutions

FHD-series

Technical Specifications

Model Reduction ratio Rated torque at 2000r/min input Permissible peak torque at start and stop Permissible maximum value for average load torque Permissible maximum momentary torque Permissible maximum input rotational speed Permissible average input rotational speed Backlash Weight Design life
Grease Grease
Nm Nm Nm Nm r/min r/min Arc Sec kg Hour
8 50 1.25 2.3 1.6 4.6 8500 3500 ≤40 0.06 10000-15000
100 1.65 3.3 2.3 6.3
11 50 2.4 5.8 3.5 11.5 8000 3500 ≤30 0.13
100 3.5 7.7 6.2 17.5
14 50 3.7 12 4.8 23 8500 3500 ≤20 FHD-I:0.34
FHD-III:0.64
80 5.4 16 7.7 35
100 5.4 19 7.7 35
17 50 11 23 18 48 7300 3500 ≤20 FHD-I:0.42
FHD-III:0.87
80 15 29 19 61
100 16 37 27 71
20 50 17 39 24 69 6500 3500 ≤20 FHD-I:0.54
FHD-III:1.14
80 24 51 33 89
100 28 57 34 95
25 50 27 69 38 127 5600 3500 ≤20 FHD-I:0.95
FHD-III:1.75
80 44 96 60 179
100 47 110 75 184
32 50 53 151 75 268 4800 3500 ≤20 FHD-I:1.90
FHD-III:3.56
80 83 213 117 398
100 96 233 151 420
Transmission accuracy
Type \ Reduction ratio 14 17 20 25 32
above 50 1.5 1.5 1 1 1
Hysteresis loss
Type \ Reduction ratio 14 17 20 25 32
50 2.5 2 2 2 2
above 80 2 1 1 1 1
Torsional stiffness
Project Type \ Unit 14 17 20 25 32
T1 N ·m 2 3.9 7 14 29
T2 N ·m 6.9 12 25 48 108
Reduction
50		 K1 × 104 N·m/rad 0.29 0.67 1.1 2 4.7
K2 × 104 N·m/rad 0.37 0.88 1.3 2.7 6.1
K3 × 104 N·m/rad 0.47 1.2 2 3.7 8.4
Reduction
ratio
above 80		 K1 × 104 N·m/rad 0.4 0.84 1.3 2.7 6.1
K2 × 104 N·m/rad 0.44 0.94 1.7 3.7 7.8
K3 × 104 N·m/rad 0.61 1.3 2.5 4.7 11

Diagram

FHD-Ⅰ type

FHD-III type

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FHD-8/11-XX-U-IFHD-14/17-XX-U-IFHD-20/25-XX-U-I

FHD-32-XX-U-I/14-IIIFHD-17/20-XX-U-IIIFHD-25/32-XX-U-III

Unit type structure of the FHT series

LHD-I
LHD-III

Application

Industrial Robot

Industrial Robot

Service Robots

Service Robots

Medical Devices

Medical Devices

Analysis,Test Equipment

Analysis,Test Equipment

Energy Related Equipment

Energy Related Equipment

Papermaking Equipment

Papermaking Equipment

Frequently Asked Questions

Laifual shall not be liable for consequential damages of others equipment cause by the defective products. and shall not be liable for the incidental and consequential expenses and the labor costs for detaching and installing to the driven equipment.
Laifual shall not be liable for consequential damages of others equipment cause by the defective products. and shall not be liable for the incidental and consequential expenses and the labor costs for detaching and installing to the driven equipment.
Laifual shall not be liable for consequential damages of others equipment cause by the defective products. and shall not be liable for the incidental and consequential expenses and the labor costs for detaching and installing to the driven equipment.
Laifual shall not be liable for consequential damages of others equipment cause by the defective products. and shall not be liable for the incidental and consequential expenses and the labor costs for detaching and installing to the driven equipment.
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