Global Robotics
Laifual FHD is a ultra-thin hollow harmonic reducer for precision mechanical transmission. This record represents its U-I assembly in frame size 14. The manufacturer provides frame-specific rated torque at 2000 r/min input, separate peak and average-load limits, input-speed limits, backlash and mass. Each published reduction ratio retains its own torque configuration in Specifications. Cover image: Manufacturer series image; size may vary.
Product family: Laifual FHD U-I harmonic reducers
Source-backed claims. Configuration, workload and evidence type matter when comparing products.
3,500 r/min
Manufacturer specification
Configuration: FHD; U-I; frame size 14; Grease lubrication; average input speed
14 50 3.7 12 4.8 23 8500 3500 ≤20 FHD-I:0.34 FHD-III:0.64
≤20 arcsec
Manufacturer specification
Configuration: FHD; U-I; frame size 14; Manufacturer table limit
14 50 3.7 12 4.8 23 8500 3500 ≤20 FHD-I:0.34 FHD-III:0.64
10000-15000 h
Manufacturer specification
Configuration: FHD; U-I; frame size 14; Shared design-life cell spans every frame/ratio row in the original HTML table; manufacturer figure, not a warranty
8 50 1.25 2.3 1.6 4.6 8500 3500 ≤40 0.06 10000-15000
0.34 kg
Manufacturer specification
Configuration: FHD; U-I; frame size 14; U-I assembly; distinct U-III masses are excluded
14 50 3.7 12 4.8 23 8500 3500 ≤20 FHD-I:0.34 FHD-III:0.64
8,500 r/min
Manufacturer specification
Configuration: FHD; U-I; frame size 14; Grease lubrication; maximum input speed
14 50 3.7 12 4.8 23 8500 3500 ≤20 FHD-I:0.34 FHD-III:0.64
7.7 N·m
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 100:1; Average load limit
100 5.4 19 7.7 35
4.8 N·m
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 50:1; Average load limit
14 50 3.7 12 4.8 23 8500 3500 ≤20 FHD-I:0.34 FHD-III:0.64
7.7 N·m
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 80:1; Average load limit
80 5.4 16 7.7 35
35 N·m
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 100:1; Momentary maximum; not continuous rated torque
100 5.4 19 7.7 35
23 N·m
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 50:1; Momentary maximum; not continuous rated torque
14 50 3.7 12 4.8 23 8500 3500 ≤20 FHD-I:0.34 FHD-III:0.64
35 N·m
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 80:1; Momentary maximum; not continuous rated torque
80 5.4 16 7.7 35
5.4 N·m
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 100:1; At 2000 r/min input
100 5.4 19 7.7 35
3.7 N·m
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 50:1; At 2000 r/min input
14 50 3.7 12 4.8 23 8500 3500 ≤20 FHD-I:0.34 FHD-III:0.64
5.4 N·m
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 80:1; At 2000 r/min input
80 5.4 16 7.7 35
100
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 100:1; Manufacturer-listed configuration
100 5.4 19 7.7 35
50
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 50:1; Manufacturer-listed configuration
14 50 3.7 12 4.8 23 8500 3500 ≤20 FHD-I:0.34 FHD-III:0.64
80
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 80:1; Manufacturer-listed configuration
80 5.4 16 7.7 35
19 N·m
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 100:1; During starting and stopping
100 5.4 19 7.7 35
12 N·m
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 50:1; During starting and stopping
14 50 3.7 12 4.8 23 8500 3500 ≤20 FHD-I:0.34 FHD-III:0.64
16 N·m
Manufacturer specification
Configuration: FHD; U-I; frame size 14; reduction ratio 80:1; During starting and stopping
80 5.4 16 7.7 35
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