CNC Bipolar Nema 17 Stepper motor, 2.1V 2.1A, 2 phase 4 wires

$66.46

This is a high precision 4-wire bipolar stepper motor, size in Nema 17, 1.8 deg. step angle (200 steps/rev), body in 47mm, good quality and manufacturer direct sale.

SKU: ATO-STEP-471721

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Delivery date: 6-30 days

Overview

Nema 17 stepper motor, 2.1V 2.1A, 2 phase 4 wires bipolar stepper motor, with 1.8 deg. step angle (200 steps/rev), body in 47mm, allowing for a holding torque of 62 oz-in.

Specifications

Electrical Specification	Model	ATO47-0804A
	Step Angle	1.8°
	Holding Torque	5kg-cm (62oz-in)
	Voltage	2.1V
	Rated Current/phase	2.1A
	Phase Resistance	1Ω
	Inductance	2mH
	Rotor Inertia	68g-cm2
Physical Specification	Frame Size	42 x 42mm
	Length	47mm
	Shaft Diameter	Φ5mm
	Shaft Length	22mm
	Motor Leads	4
	Weight	0.35kg
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: Linear rod stepper motor for machine tool equipment
The advantages over applying the linear rod stepper motor into machine tool equipment are as below:

With linear drive device, it is easy to reach the velocity lower than 1μm/s or higher than 5m/s. linear drive system can ensure the constant velocity characteristics. The velocity misalignment is superior to ±0.01%. During application of velocity with higher requirements, smaller linear rod motor can provide acceleration larger than 10g more conveniently while the acceleration generated by the traditional motor is generally within 1g.
Linear rod stepper motor features simple structure and it is comprised of few components. Therefore, the required lubricating is little (linear rail should be lubricated at regular interval). It means that it has long service life and runs cleanly. By contrast, the traditional drive system is comprised of more than 20 parts and components, including motor, coupler, ball screw, U-shaped block, bearing, bolster and lubricating system.
Other advantages of linear rod stepper motor includes low acting force and small velocity ripple so that the stable motion profile is guaranteed, which of course relies on structure, magnetic board and drive software. To utilize the intrinsic advantages of linear rod stepper motor over dynamic braking, the drive amplifier should effectively monitor EMF and even if the power may be cut off. Many linear rod stepper motors can be installed in the way of “back-to-back” to ensure the acting force is enhanced. Besides, extra magnetic board can be set to ensure the substantial infinite stroke (limited to the feedback device and length of cable) without accuracy loss.

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