NEMA 24 Bipolar 1.8deg 2.5Nm (347oz.in) 3A 2.1V 60x60x86mm 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	10OMΩMin.@ 500VDC
Dielectric strength	One minute@500VAC∙5mA Max.
Shaft Radial Play	0.06Max.@450g
Shaft Axial Play	0.08Max.@100g

 

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
60H086H-3004	Bipolar	2.1	3	0.7	3.1	347	25	4	800	1.4	86

 

 

Pull Out Torque Curve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAQ

Q: Why stepper motors are not typically the first choice for high-speed applications that require rapid rotation?

A: 1. Inertia and Rotor Mass: Stepper motors have a relatively high rotor inertia compared to other motor types. This inertia can limit their ability to accelerate and decelerate quickly, making them less suitable for applications that require rapid changes in speed or direction.

 

2. Torque-Speed Characteristics: Stepper motors exhibit a decline in available torque as the speed increases. This is known as the torque-speed characteristic curve. As the speed of a stepper motor increases, the torque available to overcome load decreases, which can limit its ability to maintain torque output at higher speeds.

 

3. Natural Resonance and Vibrations: Stepper motors can experience natural resonance frequencies due to their inherent mechanical and electrical properties. At or near these resonant frequencies, the motor's performance can be affected, leading to increased vibrations, reduced accuracy, and even potential skipped steps. High-speed operation can bring the motor closer to its resonant frequencies, making it more susceptible to these issues.

 

4. Control System Limitations: The speed at which a stepper motor can operate is also influenced by the capabilities of the control system and the motor driver. The control system must be able to generate step pulses at high frequencies, and the motor driver should be capable of supplying sufficient current and voltage levels to drive the motor at higher speeds. The limitations of the control system can impose speed restrictions on the stepper motor.

 

 

 

 

 

 

 

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