NEMA 17 Bipolar 0.9deg 0.29Nm (40.3oz.in) 42x42x39mm 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
42H039HM-0504	Bipolar	6.8	0.5	13.6	34	40.3	2.9	4	54	0.28	39
42H039HM-1684		2.8	1.68	1.65	4.2	40.3	2.9

 

 

Pull Out Torque Curve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAQ

Q: What is the difference between a stepper motor driver and a controller?

A: A stepper motor driver provides the necessary current and control signals to drive the motor, while a controller typically includes additional functionalities such as motion profiles, speed control, and communication interfaces.

 

Q: Can I control a stepper motor wirelessly?

A: Yes, stepper motors can be controlled wirelessly by integrating wireless communication modules or using remote control protocols compatible with the motor control system.

 

Q: What is the effect of temperature on stepper motor performance?

A: Stepper motor performance can be affected by temperature. High temperatures can lead to increased resistance, reduced torque output, and decreased overall performance. Therefore, adequate cooling and temperature management are important.

 

Q: Can I use a stepper motor in high-vibration environments?

A: Stepper motors can be used in high-vibration environments, but precautions should be taken to ensure proper mounting, vibration isolation, and mechanical stability to minimize the impact of vibrations on motor performance.

 

Q: What safety precautions should be taken when working with stepper motors?

A: Safety precautions for stepper motors encompass various aspects, such as ensuring appropriate electrical wiring and grounding, effective heat dissipation, mitigating mechanical hazards, and strictly following the manufacturer's safety guidelines for their proper operation.

 

Q: What is the difference between a stepper motor and a servo motor?

A: Stepper motors move in precise steps, while servo motors use feedback mechanisms to achieve precise and continuous control. Servo motors are typically more suitable for dynamic applications.

 

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