Is GBX1600151083D still being built today?
The 160 mm planetary gearbox from the GBX series is the form factor buyers recognise here: black anodized aluminium housing, C 45 shaft, 12.35 g·cm² moment of inertia, and a straight-cut gear set running at 94 % efficiency. The IP54 rating at the shaft output and the -25 to 90 °C operating envelope tell you it was designed for industrial cabinet interiors, not washdown or outdoor service.
What 15:1 at 700 N.m actually buys you on the shaft
The 15:1 reduction ratio turns the input motor speed down by a factor of fifteen while multiplying the available torque, with 94 % mechanical efficiency keeping the losses low. Continuous output torque is rated at 700 N.m, meaning the gearbox can hold that load indefinitely without thermal runaway, while the peak torque ceiling sits at 1120 N.m — the figure you design to when shock loads or accel/decel transients hit the drivetrain. Service life is rated 30000 h at 100 rpm and 30 °C — that is the figure the maintenance planner watches, not the peak torque number. Below that envelope, the axial load limit on the output shaft is 6000 N (over the full 30000 h) and the radial load limit is 4200 N applied at mid-span, both of which decide whether the gearbox can carry a pinion, a sprocket, or a coupling directly without an outboard bearing.
Precision grade, backlash, and what it means for servo pairing
Torsional backlash is held under 10 arc.min — a straight-cut planetary stage specification, which is acceptable for point-to-point motion and conveyor indexing but not tight enough for high-dynamics CNC axes where sub-5 arc.min is the norm. Torsional rigidity is 41 N.m/arcmin, so the shaft deflection under load is predictable and the controller can compensate for it. The gearbox is lubricated for life, so no relube interval shows up on the maintenance schedule — the trade-off is the 30000 h service life ceiling. At 70 dB(A) measured at 1 m under no-load, the straight-cut gear set is audible in a quiet cell; that is the engineering cost of accepting the 94 % efficiency and the lower purchase price of a helical or planetary-helid alternative.
Mounting and where it lands on the machine
The unit is rated for any mounting position, which matters on retrofit jobs where the original gearbox was laid horizontally and the replacement goes vertical into the same bracket pattern. Compatibility code GBX and the 160 mm external diameter put this in the mid-range of the series — sized for NEMA-style servo or stepper inputs on packaging machinery, indexing tables, and light conveyor drives where 700 N.m continuous is the design point.
Sourcing an obsolete Schneider gearbox through independent channels
No official successor or pin-compatible replacement is named in the manufacturer record, so the practical move is to lock the exact order code into the BOM and source against that, not to retrain the design around an unnamed alternative.