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NEMA 17 Bipolar 1.8deg 0.56Nm 3.5V 1.5A Stepper Motor With Gear

Manufacturer Part Number: 42H047H-1504A-012
Frame Size: 42x42mm
Motor Type: Bipolar Stepper
Holding Torque: 5.6 kgf.cm
Rated Current/phase: 1.5 A
Rated Voltage: 3.5 V
Connector: S6B-PH-K-S

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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-1504A-012
Motor Type	Bipolar
Step Angle	1.8°±5%
Number of Phases	2
Holding Torque	5.6 kgf. cm
Rated Current/phase	1.5 A (peak value)
Rated Voltage	3.5 V
Phase Resistance	2.3 Ω±10%（20℃）
Phase Inductance	4.6 mH±20% (1kHz 1V RMS)
Rotor Inertia	68 g.cm²

Physical Specification

Frame Size	42x42 mm
Body Length	47 mm
Shaft Diameter	N/A
Front Shaft Length	N/A
Weight	0.35kg

Gear Specifications

Module	0.5
Number of Teeth	14
Pressure Angle	20°
Pitch Diameter	Φ7
Addendum Circle Diameter	Φ8
Base Tangent Length	2.312^-0.01_-0.05
Number of Teeth Spanned	2
Precision grade	GB/T10095-1-2001 8
Material	40Cr+Quench HRC36-42

FAQ

Q: How is the wiring typically done for a NEMA 17 stepper motor?

A: Typically, a NEMA 17 stepper motor has four or six wires. In a bipolar configuration, each pair of wires connects to a coil. For unipolar operation, the motor may have two center-tapped coils, simplifying wiring. The choice between bipolar and unipolar depends on the specific application and control requirements.

Q: Are there specific lubrication requirements for NEMA 17 stepper motors?

A: NEMA 17 stepper motors typically do not have specific lubrication requirements, as they are often lubricated and sealed during manufacturing. However, it's crucial to refer to the manufacturer's guidelines for any specific recommendations. In general, maintaining a clean and dust-free environment contributes to the motor's longevity and optimal performance.

Q: How does a NEMA 17 stepper motor differ from other NEMA sizes?

A: NEMA 17 stepper motors are distinguished by a faceplate measuring around 1.7 inches by 1.7 inches. The numerical designation reflects its distinct dimensions. Variances in faceplate dimensions across other NEMA sizes determine the motor's physical size and power capabilities. Diverse sizes address specific torque and application needs.

Q: What is the impact of changing the voltage on the performance of a NEMA 17 stepper motor?

A: Changing the voltage of a NEMA 17 stepper motor affects its performance. Voltage alterations can influence speed, torque, and efficiency. It's crucial to adhere to the motor's specified voltage range for optimal operation. Deviating from this range may lead to overheating, diminished performance, or even damage to the motor.

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