NEMA 17 Bipolar 1.8deg 0.65Nm 2.1A 3.36V 42x42x59mm 4Wire Stepper Motor

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	42H059H-2104-006
Motor Type	Bipolar
Step Angle	1.8°±5%
Number of Phase	2
Holding Torque	6.5 kgf.cm
Rated Current/phase	2.1 A (peak value)
Rated Voltage	3.36 V
Phase Resistance	1.6 Ω±10%（20℃）
Phase Inductance	3.0 mH±20% (1kHz 1V RMS)
Rotor Inertia	g.cm²

 

Physical Specification

Frame Size	42x42 mm
Body Length	59 mm
Shaft Diameter	Φ5 mm
Front Shaft Length	24 mm
D-cut Shaft Length	15 mm
Number of Lead	4
Lead Length	500 mm
Wire Gauge	AWG24
Weight	0.45 kg

 

Connection

A	B	C	D
Black	Red	Green	Blue

 

FAQ

Q: What is the relationship between step angle and resolution?

A: The step angle and resolution of a stepper motor are inversely related. A lower step angle, such as the common 1.8 degrees for NEMA 17 motors, results in higher resolution. Resolution is calculated by dividing 360 degrees by the step angle, determining the number of steps needed for a complete revolution, and influencing precision in motion control systems.

 

Q: Can NEMA 17 stepper motors be used for 3D printing?

A: Yes, NEMA 17 stepper motors are commonly used in 3D printing applications. They provide precise control over the movement of 3D printer components, including the print head and bed. Their compatibility with micro stepping technology allows for the accurate positioning required in the layer-by-layer printing process.

 

Q: What is the difference between bipolar and unipolar NEMA 17 stepper motors? 

A: Bipolar NEMA 17 stepper motors have two coils per phase, offering higher efficiency and torque, but requiring an H-bridge driver. Unipolar NEMA 17 motors have a center-tapped winding, simplifying control with a less complex driver, but are generally less power-efficient. The choice depends on application requirements, efficiency, and driver complexity.

 

Q: How does your factory do regarding quality control?

A: Quality is the priority. We always attach great importance to quality control from the very beginning to the end of the production. Every product will be carefully tested before it's packed for shipment.

 

Q: What's your payment term?

A: We accept 50% down payment T/T in advance and 50% balance payment T/T before shipment. For old customers, it can be adjusted. In addition, Paypal is only available for the sample.

 

Q: Can you provide customized service?
A: With our own machining workshop, we can meet the needs of different customers for customized products, even the length, thickness, shape and size of a shaft can be customized according to customers' requirements.

 

 

 

 

 

 

 

 

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