The S9118A-T6028-38 is a double-ended, inline miniature spur gearhead with a 1.75-inch outer diameter, designed for Bu-Ord size 18 servomotors. It features a 715.64:1 reduction ratio, zero backlash capability, and ball bearings throughout. The unit delivers a rated output torque of 54 ozf-in and a maximum starting torque of 0.02 ozf-in. Mounting dimensions conform to Bu-Ord OP 1755 motor specifications, enabling direct attachment without modifications. Maximum backlash is 0° 30', and it supports both same-direction and reversed output rotation. The housing is black-anodized aluminum with precision-bored centers for accurate alignment.
Speed reducers are components that use a gear train to reduce output rpms. MGX gearheads and speed reducers are made to the highest exacting standards of craftsmanship. Our MGX gearheads are attachable to the U.S. Bureau of Ordnance (Bu-Ord for short) frame-size servomotors without modifications to the input pinions and without complicated adapters, screw threads, etc., thanks to the versatile mounting clamps supplied. Mounting dimensions are identical to Bu-Ord OP 1755 motor dimensions.
Our speed reducers are offered in low and zero backlash options, with single- and double-ended shafts. They are available in Bu-Ord sizes 11, 15, and 18 and with an O.D. of 1-1/16”, 1-7/16”, and 1-3/4”.
Consult engineering for the gearheads and speed reducers:
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| Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|
| Product Category | Gearboxes and Gearheads |
| Product Number | S9118A-T6028-38 |
| Product Name | 715.64 TO 1, MGX T-Series Inline Miniature Spur Gearhead, Double-Ended 1.75" O.D.(Bu-Ord size 18) Speed Reducer |
| Gear Ratio | 716 (X : 1) |
