Global Robotics
Laifual FHD is a precision harmonic reducer. This record represents the manufacturer's U-III assembly in frame size 14, as identified in its model-specific dimensional drawing. Specifications preserve the listed reduction-ratio configurations, separate rated, starting/stopping and instantaneous torque limits, input speeds, backlash, mass and design-life qualifiers. Manufacturer drawing and web-table discrepancies are flagged in the affected specification conditions. Cover image: Manufacturer series image; size may vary.
Product family: Laifual FHD U-III harmonic reducers
Source-backed claims. Configuration, workload and evidence type matter when comparing products.
3,500 r/min
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 100:1; Average input speed under grease lubrication
100 5.4 0.55 19 1.9 7.7 0.79 35 3.6 8500 3500 ≤20 ≥10000
3,500 r/min
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 50:1; Average input speed under grease lubrication
50 3.7 0.38 12 1.2 4.8 0.49 24 2.4 8500 3500 ≤20 ≥9000
3,500 r/min
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 80:1; Average input speed under grease lubrication
FHD-14-XX-U-III 14 80 5.4 0.55 16 1.6 7.7 0.79 35 3.6 8500 3500 ≤20 FHD-III:0.64 ≥10000
≤20 arcsec
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 100:1; Manufacturer backlash limit
100 5.4 0.55 19 1.9 7.7 0.79 35 3.6 8500 3500 ≤20 ≥10000
≤20 arcsec
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 50:1; Manufacturer backlash limit
50 3.7 0.38 12 1.2 4.8 0.49 24 2.4 8500 3500 ≤20 ≥9000
≤20 arcsec
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 80:1; Manufacturer backlash limit
FHD-14-XX-U-III 14 80 5.4 0.55 16 1.6 7.7 0.79 35 3.6 8500 3500 ≤20 FHD-III:0.64 ≥10000
≥10000 h
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 100:1; Manufacturer minimum design life; not a warranty; preserve the printed greater-than-or-equal qualifier. Family web tables may present unqualified values or a shared range; these are not equivalent claims.
100 5.4 0.55 19 1.9 7.7 0.79 35 3.6 8500 3500 ≤20 ≥10000
≥9000 h
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 50:1; Manufacturer minimum design life; not a warranty; preserve the printed greater-than-or-equal qualifier. Family web tables may present unqualified values or a shared range; these are not equivalent claims.
50 3.7 0.38 12 1.2 4.8 0.49 24 2.4 8500 3500 ≤20 ≥9000
≥10000 h
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 80:1; Manufacturer minimum design life; not a warranty; preserve the printed greater-than-or-equal qualifier. Family web tables may present unqualified values or a shared range; these are not equivalent claims.
FHD-14-XX-U-III 14 80 5.4 0.55 16 1.6 7.7 0.79 35 3.6 8500 3500 ≤20 FHD-III:0.64 ≥10000
0.64 kg
Reported claim
Configuration: FHD; U-III; frame size 14; U-III assembly; exact drawing mass cell: FHD-III:0.64
50 3.7 0.38 12 1.2 4.8 0.49 24 2.4 8500 3500 ≤20 ≥9000 FHD-14-XX-U-III 14 80 5.4 0.55 16 1.6 7.7 0.79 35 3.6 8500 3500 ≤20 FHD-III:0.64 ≥10000 100 5.4 0.55 19 1.9 7.7 0.79 35 3.6 8500 3500 ≤20 ≥10000
8,500 r/min
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 100:1; Maximum input speed under grease lubrication
100 5.4 0.55 19 1.9 7.7 0.79 35 3.6 8500 3500 ≤20 ≥10000
8,500 r/min
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 50:1; Maximum input speed under grease lubrication
50 3.7 0.38 12 1.2 4.8 0.49 24 2.4 8500 3500 ≤20 ≥9000
8,500 r/min
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 80:1; Maximum input speed under grease lubrication
FHD-14-XX-U-III 14 80 5.4 0.55 16 1.6 7.7 0.79 35 3.6 8500 3500 ≤20 FHD-III:0.64 ≥10000
7.7 N·m
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 100:1; Average load limit
100 5.4 0.55 19 1.9 7.7 0.79 35 3.6 8500 3500 ≤20 ≥10000
4.8 N·m
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 50:1; Average load limit
50 3.7 0.38 12 1.2 4.8 0.49 24 2.4 8500 3500 ≤20 ≥9000
7.7 N·m
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 80:1; Average load limit
FHD-14-XX-U-III 14 80 5.4 0.55 16 1.6 7.7 0.79 35 3.6 8500 3500 ≤20 FHD-III:0.64 ≥10000
35 N·m
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 100:1; Momentary maximum; not continuous rated torque
100 5.4 0.55 19 1.9 7.7 0.79 35 3.6 8500 3500 ≤20 ≥10000
35 N·m
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 80:1; Momentary maximum; not continuous rated torque
FHD-14-XX-U-III 14 80 5.4 0.55 16 1.6 7.7 0.79 35 3.6 8500 3500 ≤20 FHD-III:0.64 ≥10000
24 N·m
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 50:1; Momentary maximum; not continuous rated torque. Unresolved manufacturer-source conflict: this drawing states 24 N·m; the current family web table states 23 N·m (https://www.laifual.com/fhd/). Both published claims are retained; neither is treated as a correction.
50 3.7 0.38 12 1.2 4.8 0.49 24 2.4 8500 3500 ≤20 ≥9000
5.4 N·m
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 100:1; At 2000 r/min input
100 5.4 0.55 19 1.9 7.7 0.79 35 3.6 8500 3500 ≤20 ≥10000
3.7 N·m
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 50:1; At 2000 r/min input
50 3.7 0.38 12 1.2 4.8 0.49 24 2.4 8500 3500 ≤20 ≥9000
5.4 N·m
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 80:1; At 2000 r/min input
FHD-14-XX-U-III 14 80 5.4 0.55 16 1.6 7.7 0.79 35 3.6 8500 3500 ≤20 FHD-III:0.64 ≥10000
100
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 100:1; Manufacturer-listed reduction ratio
100 5.4 0.55 19 1.9 7.7 0.79 35 3.6 8500 3500 ≤20 ≥10000
50
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 50:1; Manufacturer-listed reduction ratio
50 3.7 0.38 12 1.2 4.8 0.49 24 2.4 8500 3500 ≤20 ≥9000
80
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 80:1; Manufacturer-listed reduction ratio
FHD-14-XX-U-III 14 80 5.4 0.55 16 1.6 7.7 0.79 35 3.6 8500 3500 ≤20 FHD-III:0.64 ≥10000
19 N·m
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 100:1; During starting and stopping
100 5.4 0.55 19 1.9 7.7 0.79 35 3.6 8500 3500 ≤20 ≥10000
12 N·m
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 50:1; During starting and stopping
50 3.7 0.38 12 1.2 4.8 0.49 24 2.4 8500 3500 ≤20 ≥9000
16 N·m
Reported claim
Configuration: FHD; U-III; frame size 14; reduction ratio 80:1; During starting and stopping
FHD-14-XX-U-III 14 80 5.4 0.55 16 1.6 7.7 0.79 35 3.6 8500 3500 ≤20 FHD-III:0.64 ≥10000
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