A 20:1 planetary box rated for 800 N.m continuous, 1280 N.m peak
The Schneider Electric GBX1600201084D is a planetary gearbox in the GBX family with a 20:1 reduction ratio, straight-cut teeth, and a 160 mm gearbox external diameter — sized to sit behind a servo drive where the 800 N.m continuous output torque and 1280 N.m maximum output torque cover the steady-state and acceleration peaks of mid-frame packaging and material-handling axes (cites:,). Shaft material is C 45 medium-carbon steel and the housing is black anodized aluminium, so the gearbox mounts in any position and runs lubricated for life — no grease points to schedule in the MRO loop (cites:,).
Duty envelope and the 30,000-hour service-life window
Service life is rated 30,000 hours at 100 rpm at 30 °C, which is the figure that decides whether this unit is a critical spare or a project-only item — radial and axial load limits are quoted against that same duty point (cites:). At the 30,000-hour duty point, maximum radial force Fr is 4200 N at mid-distance from the output shaft and maximum axial force Fa is 6000 N; derated to a 10,000-hour life at the same speed, the gearbox accepts 6000 N radial and 8000 N axial, so a heavier-payload or higher-cycle application is supportable if the MRO planner accepts the shorter service interval (cites:,). Operating ambient range is -25 to 90 °C, with an IP54 rating at the shaft output only — the housing itself is not sealed, so drip shields or cabinetry around the output shaft are required for washdown or outdoor duty (cites:,).
Precision and acoustic signature for the line it sits on
Torsional rigidity is 41 N.m/arcmin and maximum torsional backlash is 10 arc.min — meaningful for indexing and registration accuracy but loose by comparison with strain-wave or cycloidal units, so the GBX1600201084D is the right fit for conveyor, mixer, and palletiser axes rather than high-precision pick-and-place (cites:,). Efficiency is 94 % and noise level is 70 dB at 1 m no-load, which gives the floor loss and the acoustic footprint of the unit on a packaging or brewery line; the figure is no-load, so radiated sound under load will be higher and the 70 dB number is the baseline rather than the operating maximum (cites:,). Moment of inertia at the input is 6.64 g.cm², so the gearbox adds little to the drive's acceleration budget — sizing the upstream servo by inertia ratio stays tractable (cites:).