NEMA 16 Bipolar 0.9deg 0.12Nm (16.7oz.in) 0.6A 6V 39x39x25mm 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
39H025HM-0604	Bipolar	6	0.6	10	15.5	16.7	1.2	4	13	0.14	25

 

 

 

Pull Out Torque Curve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAQ

Q: How do I prevent a stepper motor from skipping steps?

A: To prevent a stepper motor from skipping steps and ensure accurate motion control, you can take several measures:

 

1. Sufficient Power Supply: Ensure that the stepper motor is supplied with an adequate and stable power source. Insufficient voltage or current can lead to a lack of torque, causing the motor to skip steps. 

 

2. Correct Motor Driver Settings: Set the motor driver correctly to match the motor's specifications. Adjust the current limit and other relevant parameters based on the motor's rated values to ensure optimal performance. 

 

3. Choose the Right Step Rate: Determine an appropriate step rate for your application. Stepping too quickly can overwhelm the motor's capabilities, leading to missed steps. If the motor cannot keep up with the desired step rate, reduce the speed or consider using micro-stepping to achieve smoother and more precise motion.

 

4. Avoid Overloading: Ensure that the load on the motor does not exceed its torque capabilities. If the motor is under excessive load, it may not have enough torque to move accurately, resulting in skipped steps. Select a motor with sufficient torque or consider using gearing or mechanical advantage to reduce the load on the motor.

 

5. Minimize Mechanical Friction: Reduce mechanical friction in the system by ensuring smooth movement of the motor shaft and any associated mechanical components, such as gears, pulleys, or lead screws. Lubrication, proper alignment, and maintenance of the mechanical components can help minimize friction and improve the motor's ability to achieve accurate positioning.

 

6. Check Wiring and Connections: Verify that the wiring connections between the motor and driver are secure and properly terminated. Loose or incorrect connections can lead to intermittent electrical contact, causing the motor to skip steps. Ensure that the wiring is of appropriate gauge and length to minimize resistance and voltage drops.

 

7. Use Microstepping: Implement micro-stepping, if supported by your motor and driver, to achieve smoother and finer motion control. Microstepping divides each full step into smaller micro-steps, reducing the step size and allowing for more precise positioning. Microstepping can help minimize the chances of skipping steps, especially at lower speeds.

 

8. Control Environmental Factors: Ensure that the stepper motor system operates in a suitable environment. High temperatures, excessive vibration, or external disturbances can affect the motor's performance and lead to missed steps. Provide adequate cooling, vibration isolation, and protection from external factors to maintain reliable operation.

 

9. Test and Optimize: Conduct practical testing and optimize the motor and system parameters for your specific application. Fine-tune the motor driver settings, step rate, acceleration, and other relevant parameters to find the optimal balance between speed, torque, and accuracy.

Hot Tags: nema 16 bipolar 0.9deg 0.12nm (16.7oz.in) 0.6a 6v 39x39x25mm 4 wires stepper motor, China nema 16 bipolar 0.9deg 0.12nm (16.7oz.in) 0.6a 6v 39x39x25mm 4 wires stepper motor manufacturers, suppliers, factory