NEMA 16 Bipolar 1.8deg 0.18Nm (25oz.in) 0.65A 4.6V 39x39x31mm 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
39H031H-0654	Bipolar	4.6	0.65	7	11	25	1.8	4	18	0.17	31

 

 

 

Pull Out Torque Curve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAQ

Q: What factors should be considered when selecting a stepper motor?

A: When selecting a stepper motor, several factors should be considered to ensure it is suitable for the intended application. Here are some key factors to consider:

1. Torque Requirement: Determine the required torque for your application, taking into account the load and acceleration/deceleration requirements. Ensure that the selected stepper motor can provide adequate torque to meet these demands.

 

2. Step Resolution: Consider the desired level of precision and the step resolution required for your application. Stepper motors have different step angles. Choose a motor that can provide the necessary level of accuracy.

 

3. Speed Requirements: Evaluate the required speed range for your application. Stepper motors have limitations in high-speed operation due to factors like back EMF and rotor inertia. Ensure that the selected motor can achieve the desired speeds while maintaining sufficient torque.

 

4. Voltage and Current Ratings: Check the voltage and current ratings of the stepper motor. The voltage rating should be compatible with your power supply, and the current rating should match the capability of your motor driver. Operating within the specified voltage and current ranges helps ensure optimal performance and longevity.

 

5. Motor Size and Mounting: Consider the physical size and mounting requirements of the stepper motor to ensure it can be properly integrated into your system. Check dimensions, shaft size, and mounting hole patterns to ensure compatibility.

 

6. Environmental Factors: Assess the environmental conditions in which the stepper motor will operate. Consider factors such as temperature, humidity, and the presence of dust or moisture. Choose a motor with suitable protection or consider additional enclosures or cooling measures if required.

 

7. Controller Compatibility: Ensure that the selected stepper motor is compatible with your motor controller or driver. Check the interface type (e.g., step/direction, SPI) and communication protocol to ensure seamless integration with your control system.

 

8. Application-Specific Requirements: Consider any specific requirements of your application, such as noise level, reliability, duty cycle, and any specialized features or certifications (e.g., RoHS compliance) that may be necessary.

 

By considering these factors and matching them with the requirements of your application, you can select a stepper motor that meets your performance needs and integrates well into your system.

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