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NEMA 17 Bipolar 1.8deg 0.52Nm 1.68A 2.77V 42x42x47mm Stepper Motor
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NEMA 17 Bipolar 1.8deg 0.52Nm 1.68A 2.77V 42x42x47mm Stepper Motor

NEMA 17 Bipolar 1.8deg 0.52Nm 1.68A 2.77V 42x42x47mm Stepper Motor

Manufacturer Part Number:42H047H-1684-123
Frame Size: 42x42mm
Motor Type: Bipolar Stepper
Holding Torque: 5.2 kgf.cm
Rated Current/phase: 1.68 A
Rated Voltage: 2.77V
Connector:JST S6B-PH-K-S
Common application: 3D Printer,CNC Machines,Textile Machines, etc

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Product Introduction

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 42H047H-1684-123
Motor Type Bipolar
Step Angle 1.8°±5%
Number of Phase 2
Holding Torque 5.2 kgf.cm
Rated Current/phase 1.68A (peak value)
Rated Voltage 2.77V
Phase Resistance 1.65Ω±10%（20℃）
Phase Inductance 2.8mH±20% (1kHz 1V RMS)
Rotor Inertia 68g.cm²

 

Physical Specification

Frame Size 42x42mm
Body Length 47mm
Shaft Diameter Φ5mm
Front Shaft Length 24mm
D-cut Shaft Length 15mm
Weight 0.35kg

 

FAQ

Q: Can NEMA 17 stepper motors be used in multi-axis systems, such as CNC machines?

A: Yes, NEMA 17 stepper motors are commonly employed in multi-axis systems, including CNC (Computer Numerical Control) machines. Their precise control and ability to provide incremental motion make them well-suited for tasks like moving the cutting tool or workpiece in multiple directions, ensuring accurate and repeatable machining operations in CNC applications.

 

Q: What are the limitations of NEMA 17 stepper motors?

A: NEMA 17 stepper motors have limitations, including relatively lower torque compared to some motor types, which may limit their use in applications requiring high torque. Additionally, they can consume more power than other motors and may experience resonance issues at specific speeds. However, for applications that don't demand exceptionally high torque or rapid movement, NEMA 17 motors offer a cost-effective and reliable solution.

 

Q: Why is it called NEMA 17?

A: The name "NEMA 17" is derived from the National Electrical Manufacturers Association (NEMA) standard. The "17" indicates the motor's standard size and mounting dimensions. NEMA standards are used to categorize and define the physical dimensions and electrical characteristics of various electrical and electronic equipment, such as motors, to ensure compatibility and interchangeability within the industry.

 

Q: Can NEMA 17 stepper motors be used in open-loop control systems?

A: Yes, NEMA 17 stepper motors are well-suited for open-loop control systems. Their inherent ability to move in precise increments without requiring feedback mechanisms makes them ideal for applications where accurate positioning and control are essential. This simplifies system design and reduces complexity, making NEMA 17 stepper motors a popular choice in various automation and robotics applications.

 

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