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NEMA 11 Stepper Motor With 5.18:1 Ratio Planetary Gearbox

NEMA 11 Stepper Motor With 5.18:1 Ratio Planetary Gearbox

Manufacturer Part Number:28H032H-0704C-001
Frame Size: 28x28mm
Motor Type: Bipolar Stepper
Gear ratio: 5.18:1
Rated Current/phase: 0.7 A
Rated Voltage: 3.92 V

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Product Introduction

Product Overview

With a frame size of 28x28mm, this NEMA 11 Stepper motor has an integrated one-stage Planetary gearbox with a 5.18:1 gear ratio, and the efficiency of the planetary gearbox can reach 90%. With a body length of 61mm and weight of 0.18kg, it is very compact and very suitable for applications that have limited space. 

 

General Specification

Step Angle Accuracy

±5%

Resistance Accuracy

±10%

Inductance Accuracy

±20%

Temperature Rise

80K Max.

Ambient Temperature

-20℃~+50℃

Insulation Resistance

100MΩMin.@ 500VDC

Dielectric strength

One minute@500VAC∙5mA Max.

Shaft Radial Play

0.06Max.@450g

Shaft Axial Play

0.08Max.@450g

 

Electrical Specification

Model Number 28H032H-0704C-001
Motor Type Bipolar
Step Angle 1.8°±5%
Number of Phase 2
Holding Torque 0.6 kgf.cm
Rated Current/phase 0.7  A (peak value)
Rated Voltage 3.92 V
Phase Resistance 5.6 Ω±10%(20℃)
Phase Inductance 3.1 mH±20% (1kHz 1V RMS)
Rotor Inertia 9 g.cm²

 

Physical Specification

Frame Size 42x42 mm
Body Length 61 mm
Shaft Diameter Φ6 mm
Front Shaft Length 20 mm
Shaft Length 18 mm
D-cut Shaft Length 15 mm
Weight 0.18 kg

 

Gearbox Specification

Ratio 5.18:1
Rated Load 2 Nm
Rated Speed 600 RPM
Instantaneous allowable maximum torque 6 Nm
Number of Stage 1 stage
Bearing  Ball(Double row)
Efficiency

90%

 

Q: Why NEMA 11 stepper motor with 5.18:1 ratio planetary gearbox is commonly used in 3D printers?

A: The NEMA 11 Stepper Motor with a 5.18:1 Ratio Planetary Gearbox plays a crucial role in enhancing the performance of 3D printers. With its compact size and high torque capabilities, this motor-gearbox combination enables precise control of the printing mechanisms, ensuring accurate layering and intricate detailing in the printed objects.The 5.18:1 ratio planetary gearbox optimizes torque delivery, allowing the 3D printer to handle varying loads effortlessly. This setup is particularly beneficial in small-scale 3D printers where space constraints are significant. The stepper motor's ability to move in discrete steps ensures fine control over the positioning of the printing head or build platform. Overall, the NEMA 11 Stepper Motor with 5.18:1 Ratio Planetary Gearbox contributes to the reliability, accuracy, and efficiency of 3D printing processes, making it an essential component for enthusiasts, professionals, and industries leveraging additive manufacturing technology.

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