Product Description:

The SM2863-5255 stepping motor is produced by Sanyo Denki for the F SANMOTION Stepping Motors series. It is a hybrid, two-phase actuator that converts pulse commands from a drive into incremental rotary motion, enabling precise indexing of lead screws, pick-and-place grippers, or small conveyor rollers in automated equipment. By advancing a fixed angle with each input pulse, the unit provides repeatable positioning without feedback devices, making it a straightforward solution for moderate-speed, medium-torque motion axes in packaging, laboratory, and light assembly machinery.

The motor has an 86 mm square frame that matches common NEMA 34 brackets and keeps the stator laminations stiff under load. Each control pulse rotates the shaft by 1.8°, establishing 200 discrete steps per revolution for straightforward microstepping ratios. The motor has a static angle error of ±0.09°, so positioning remains accurate and backlash compensation tables can remain small. The front bearing supports a radial load of 167 N at the mounting face, while the thrust bearing tolerates an axial load of up to 60 N. These load capacities allow the device to carry moderate belt tension or lead-screw preload. An IP43 protection rating shields the internal windings from tool-side dust and water spray when the wiring exit is properly sealed.

The winding permits a maximum temperature rise of 80 K before derating is required during continuous-duty S1 service. The insulation system withstands 1500 VAC applied between the windings and frame for one minute. The motor tolerates shocks of up to 500 m/s², while vibration during operation is limited to 150 m/s² to protect bearing life. Radial play does not exceed 0.025 mm, shaft runout is limited to 0.025 mm, and axial thrust play remains below 0.075 mm. Insulation resistance is at least 100 MΩ when measured at 500 VDC, and the maximum operating altitude is 1,000 m.