3D A2printer Nema17 42 stepper motor RepRap for 3D printer for Human Figure

3D A2printer Nema17 42 stepper motor RepRap for 3D printer for Human Figure

Type and specs:
• Electrical schematic and outline drawings: See outline drawings below
• Drive mode: constant current chopper drive;
• Excitation mode: 2-phase excitation (two-phase four-beat runs), the forward and reverse rotation
• Steering: Sequentially energized as AB-BC-CD-DA, see C.W from the shaft extension side
• Rated current (single-phase): 1.3A DC
• Step Angle: 1.8 Degree
• Insulation class: B class insulation 

Parameters:

•Working conditions:

      Ambient temperature: -20 ~ 50 Degree;

      Relative Humidity: 90% MAX;

      Mounting position: Shaft horizontal or vertical installation.
• Test conditions (above parameters measured in the normal test atmospheric conditions)
• Winding DC resistance (25 Degree): 2.1Ω ± 10%
• Winding inductance: 2.5mH ± 20%
• Location torque:  120kg·cm
• Holding torque (two interlinked rated current): ≥2.2kg·cm (I = 1.3A)
• The maximum load starting frequency: ≥1400pps
• The maximum no-load operating frequency: ≥8000pps
• 3 temperature: <80K
• Step angle accuracy: 1.8 Degree ± 5%
• Inertia: 35g.cm2

• Output shaft length: 18mm
• Insulation resistance: between the stator core and the terminals cold insulation resistance greater than 100MΩ (by DC500V megger).
• 3.14 Dielectric strength: between the stator core and the terminals should be able to withstand AC600V / 1S without breakdown, leakage current is less than 1mA. Please click the picture below if you need another 42 stepper motor. (Specs are basically the same, the appearance is a little different.) Please click the picture below if you need the 42 planetary gear stepper motor.

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