Pololu Stepper Motor NEMA 23 Bipolar 200 Steps/Rev 57×56mm 2.5V 2.8 A/Phase

Artikelnummer: PO1474

HAN: 1474

This NEMA 23-size hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 2.8 A at 2.5 V, allowing for a holding torque of 13 kg-cm (180 oz-in).

Kategorie: Motoren


39,94 €

inkl. 19% USt.,

sofort verfügbar

Lieferzeit: 1 bis 3 Tage

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Beschreibung

Bipolar stepper motor wires are terminated with bare leads.
Bipolar stepper motor wiring diagram.

Overview

This high-torque hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 2.8 A at 2.5 V, allowing for a holding torque of 13 kg-cm (180 oz-in). The motor has four color-coded wires terminated with bare leads: black and green connect to one coil; red and blue connect to the other. It can be controlled by a pair of suitable H-bridges (one for each coil), but we recommend using a bipolar stepper motor driver.

NEMA 23 stepper motor (item #1475) mounted with a steel L-bracket for NEMA 23 stepper motors.

Our 1/4? universal mounting hub and 1/4? scooter wheel adapter can be used to mount objects on the stepper motor?s 1/4?-diameter output shaft, and we carry a NEMA 23 steel bracket for securely mounting this stepper motor to a flat surface (the picture above shows this bracket being used with a taller NEMA 23 stepper motor).

Specifications

  • Size: 56.4 mm square × 56 mm, not including the shaft (NEMA 23)
  • Weight: 0.7 kg (25 oz)
  • Shaft diameter: 6.35 mm (0.25?) ?D?
  • Steps per revolution: 200
  • Current rating: 2.8 A per coil
  • Voltage rating: 2.5 V
  • Resistance: 0.9 ? per coil
  • Holding torque: 13 kg-cm (180 oz-in)
  • Inductance: 2.5 mH per coil
  • Lead length: 30 cm (12?)
  • Output shaft supported by two ball bearings

More specifications are available in the datasheet (49k pdf).

Dimensions

The following diagram shows the stepper motor dimensions in mm. The output D-shaft has a 0.25? (6.35 mm) diameter with a section that is flattened by 0.5 mm (note: the diagram below incorrectly lists this flattened width as 6 mm when it is really 5.85 mm). This shaft works with our 1/4? universal mounting hub and 1/4? scooter wheel adapter.

The inside of a bipolar stepper motor.

Stepper Motor Applications

Stepper motors are generally used in a variety of applications where precise position control is desirable and the cost or complexity of a feedback control system is unwarranted. Here are a few applications where stepper motors are often found:

  • Printers
  • CNC machines
  • 3D printer/prototyping machines (e.g. RepRap)
  • Laser cutters
  • Pick and place machines
  • Linear actuators
  • Hard drives

Pololu?s assortment of stepper motors.

Note: This stepper motor is SOYO part number SY57STH56-2804A.

People often buy this product together with:

DRV8825 Stepper Motor Driver Carrier, High Current DRV8825 Stepper Motor Driver Carrier, High Current
Pololu Universal Aluminum Mounting Hub for 1/4? Shaft, #4-40 Holes (2-Pack) Pololu Universal Aluminum Mounting Hub for 1/4? Shaft, #4-40 Holes (2-Pack)
DRV8834 Low-Voltage Stepper Motor Driver Carrier DRV8834 Low-Voltage Stepper Motor Driver Carrier

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