M093-FD-8114 Danaher
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The Danaher M093-FD-8114 stepping motor is part of the Slo-Syn Stepping Motors series and features a frame size of 90 mm. It offers a holding torque of 550 oz-in with bipolar operation and 450 oz-in with unipolar operation. The motor has a net weight of 7.8 pounds and a maximum thrust load of 50 pounds.
Internal Product Review
The M093-FD-8114 is a Danaher Slo-Syn stepping motor with 550 oz-in holding torque and an 8-lead configuration. Bipolar parallel operation at 9.9 A and 0.16 Ω supports strong low-voltage drive performance in demanding positioning applications. A 50 lb thrust load rating and 25 lb overhang load capacity make the unit a strong choice for heavily loaded stepper assemblies.
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Product Description:
The M093-FD-8114 is a hybrid stepping motor produced by Danaher as part of the Slo-Syn Stepping Motors series. The device converts commanded pulse trains into incremental shaft rotation, supplying open-loop motion for feeders, indexing tables, and compact conveyors in industrial automation. By delivering consistent holding torque without encoders or resolvers, it simplifies the control architecture, reduces the component count inside a machine panel, and shortens setup time.
With a 90 mm square frame, the motor fits NEMA 34-style brackets, while an eight-lead cable allows series, parallel, or unipolar wiring. In a bipolar parallel connection, it draws 9.9 A through a phase resistance of 0.16 Ω; the low 1.6 VDC phase voltage supports full-current operation on 24–48 V supplies. This wiring arrangement delivers a holding torque of 550 oz-in, which is sufficient to restrain medium-sized linear stages and belt axes. When wired for unipolar operation, the current falls to 7.0 A, and the windings have 0.33 Ω resistance and a 2.3 VDC phase voltage. The unipolar winding has an inductance of 2.0 mH, which lengthens the electrical time constant while smoothing current ripple. This configuration supplies 450 oz-in of static torque, while a minimum residual torque of 7.0 oz-in helps keep the rotor aligned when power is removed.
The rotor has an inertia of 0.0265 oz-in-s², enabling rapid acceleration profiles without excessive drive power. Shaft side loading is limited to 25 lb of overhung force and 50 lb of axial thrust, so pulleys or lead-screw nuts must remain within those limits to protect the bearings. The motor has an overall mass of 7.8 lb, allowing it to be mounted on lightweight machine frames without placing excessive load on the support brackets.
