2 phase bipolar Nema 17 Stepper motor, 2.8V 1.68A, 4 wires

5 out of 5 based on 2 reviews | Write a review

$66.46

Reasonable price 2 phase Nema 17 4-wire bipolar stepper motor, resolution of 1.8 degree/step, torque of 62 oz/inch, manufacturer direct sale.

With Matched Driver *

SKU: ATO-STEP-4717168

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Delivery date: 6-12 days

Overview

2 phase Nema 17 4-wire bipolar stepper motor, which has 1.8 degree per step for smooth motion and a nice holding torque, perfect for many applications.

Specifications

Electrical Specification	Model	ATO47-1684A
	Matched the Driver Model	ATODSP42 (Click it to see more info)
	Step Angle	1.8°
	Holding Torque	4.4kg-cm (62oz.in)
	Voltage	2.8V
	Rated Current/phase	1.68A
	Phase Resistance	1.65Ω
	Inductance	4.1mH
	Rotor Inertia	68g-cm2
Physical Specification	Frame Size	42 x 42mm
	Length	47mm
	Shaft Diameter	Φ5mm
	Shaft Length	22mm
	Motor Leads	4
	Weight	0.28kg
Technical Parameters	Step Angle Accuracy	±5% (full step, no load)
	Resistance Accuracy	±10%
	Inductance Accuracy	±20%
	Temperature Rise	80℃ Max. (rated current, 2 phase on)
	Ambient Temperature	-10℃~+50℃
	Insulation Resistance	100MΩ Min. 500VDC
	Dielectric Strength	1Min. 500VAC·5mA
	Shaft Radial Play	0.06Max. 450g
	Shaft Axial Play	0.08Max. 450g
Quality Assurance	Warranty Period	12 months
Quality Assurance	Certificate	CE, ROHs, ISO/SGS9001

Nema 17 Stepper Motor Dimension (Unit=mm)

Nema 17 stepper motors dimension

L1=24mm, Lmax=47mm

Nema 17 Stepper Motor Wiring Diagram

Nema 17 stepper motors wiring diagram

Tips: What is stepper motor?
Stepper motor is an actuator transforming electric pulse into angular displacement. Popularly, when receiving a pulse signal, the stepper motor will rotate a fixed angle (namely ''stepping angle'') according to the direction set for the stepper motor. The angular displacement volume can be controlled by controlling the pulse number to achieve the purpose of positioning accurately. In the meantime, the rotational velocity and acceleration of motor can be controlled by controlling the pulse frequency to achieve the purpose of speed control.

Existing reviews of 2 phase bipolar Nema 17 Stepper motor, 2.8V 1.68A, 4 wires

How to test torque for Nema 17 stepper motor?

I’m inquiring how we may be able to test torque for our Nema 17 stepper motor. We are working through a prototype phase of a motor assembly that uses this frame-size motor and needs initial torque readouts. Also, we’d need a measurement tool/device that would help us validate production units that leave our facility. I was initially thinking of a motor dyno but I wasn’t quite sure of the need, compared to a load sensor.
I found what looks to be one solution:
https://www.ato.com/micro-rotary-torque-sensor-5-nm
https://www.ato.com/digital-load-cell-amplifier-output-4-20ma-0-10v-rs485
But I’m looking for your expertise and recommendation for how we may test the various torque measures (holding, pull in/out).
I look forward to your response.

From: kolt | Date: 28/08/2023

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How to test torque for Nema 17 stepper motor?

From: kolt | Date: 28/08/2023

Was this review helpful? Yes No (0/0)

ATO Responded

We also need to confirm the following information before we can provide advice:
1. What are the ranges of torque and rotational speed required to be measured by the Nema 17 stepper motor?
2. What is the torque sensor output signal?
Is it required to measure torque in forward and reverse directions?

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