NEMA 17 Stepper Motors

These NEMA 17 stepper motors were custom made for the LulzBot store and Aleph Objects, Inc. internal printers. The steppers have been designed to use with the Prusa Mendel printer build and other RepRap printer builds.

Five motors are needed for a Prusa Mendel:  one for X axis, one for Y axis, two for Z axis, and one for the extruder.

Specifications

• Step angle: 1.8°
• Holding torque: 55 N.cm
• Rated voltage: 2.8V
• 2 phase
• Resistance per phase: 2.8Ω, ±10%
• Inductance per phase: 4.8Ω, ±20%
• Operation temp range: -20°C ~ +50°C
• Wieght: 0.365Kg
• 4 AWG22 lead wires (ends are bare and need connectors)
• 5mm D-shaped motor shaft

Sources

Data Sheet

Wiki Stepper Motor