103F7851-80HXL4 Sanyo Denki
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The Sanyo Denki 103F7851-80HXL4 is a stepping motor from the StepSyn Stepping Motors series with a body length of 113.5 mm and a flange size of 60 mm. It features an allowable torque of 5.5 newton meters and can handle both radial and thrust loads up to 400 newtons. The motor offers a step angle of 0.0144 degrees and a deceleration ratio of 1:50.
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Product Description:
The 103F7851-80HXL4 is a geared stepping motor produced by Sanyo Denki within the StepSyn Stepping Motors series. This hybrid stepper uses a built-in 1:50 gearbox to convert pulse commands from a compatible drive into precise incremental shaft movement. Its controlled motion suits indexing tables, packaging lines, semiconductor handlers, and other automated equipment that requires repeatable positioning at low output speeds.
A maximum output torque of 5.5 N·m allows the motor to move moderate loads without an additional external reduction stage. Each full electrical step advances the output shaft by 0.0144°, providing fine positioning resolution through accurate pulse counting. The gear train limits the continuous output speed to 70 rpm, making the unit suitable for controlled indexing and low-speed rotary movement. A housing length of 113.5 mm allows installation in compact machine spaces while leaving room for the integrated gearing. The 12 mm output shaft accepts standard couplings, and its 7.5 mm key provides positive torque transmission to a pulley, pinion, or driven mechanism.
The drivetrain supports 400 N radial and axial load limits, allowing the bearings to accommodate forces from cantilever-mounted pulleys or pinions. A 60 mm square flange provides a compact mounting interface that is compatible with many accessories intended for motors of this size. The 54 mm pilot register centers the motor accurately against the mating machine surface during installation. The mounting face includes 5.5 mm through-holes arranged on a 70 mm pitch circle, supporting secure alignment with a frame or gearbox. Factory-attached leads have a minimum length of 305 mm, providing enough reach for nearby drive connections without an immediate cable extension. The conductors use AWG 22 insulation to balance routing flexibility with the current-carrying requirements of the motor windings.
