NEMA 17 Bipolar 0.9deg 0.36Nm (50oz.in) 1.68A 2.8V 42x42x47mm 4 Wires Stepper Motor

Technical Parameter

Item	Specifications
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

 

Technical Specification

Model No.	Polar	Rated Voltage	Current/ Phase	Resistance/ Phase	Inductance/ Phase	Holding Torque		# of Leads	Rotor inertia	Weight	Length
		V	A	Ω	mH	oz-in	kgf · cm		g∙ cm2	kg	mm
42H047HM-1684	Bipolar	2.8	1.68	1.65	4.1	50	3.6	4	68	0.35	47

 

 

Pull Out Torque Curve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAQ

Q: What are the limitations of stepper motors?

A: Limitations include lack of position feedback, low speed and acceleration capabilities, resonance and vibration, torque drop-off at high speeds, and power consumption.

 

Q: What are the main differences between unipolar and bipolar stepper motors

A: The primary distinctions between unipolar and bipolar stepper motors are based on their winding configuration, current flow, and the type of driver circuit employed for control. Bipolar stepper motors are typically preferred in applications requiring higher torque and efficiency. On the other hand, unipolar stepper motors are more straightforward to drive, making them common choices for hobbyist projects and certain low-power applications.

 

Q: Can I use a stepper motor for continuous rotation applications?

A: While stepper motors are primarily designed for precise positioning, continuous rotation can be achieved by combining them with additional mechanisms, such as gearboxes.

 

Q: How do you ensure quality control?

A: Quality control is a top priority for us throughout the entire production process. We conduct careful testing of every product before it is packaged for shipment, ensuring that only high-quality items are delivered to our customers.

 

Q: How can I reach your factory?

A: Our factory is conveniently located near Shanghai Hongqiao Airport. We can arrange to pick you up from the airport upon your arrival.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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