3334_0 - 57STH56 NEMA-23 Bipolar Stepper with 77:1 Gearbox

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Quick Overview

This powerful bipolar stepper with a rear shaft and a planetary gearbox has a 0.023° step angle and 240 kg·cm of torque at low speeds.
3334_0 - 57STH56 NEMA-23 Bipolar Stepper with 77:1 Gearbox

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  • 3334_0 - 57STH56 NEMA-23 Bipolar Stepper with 77:1 Gearbox
  • 3334_0 - 57STH56 NEMA-23 Bipolar Stepper with 77:1 Gearbox
  • 3334_0 - 57STH56 NEMA-23 Bipolar Stepper with 77:1 Gearbox
  • 3334_0 - 57STH56 NEMA-23 Bipolar Stepper with 77:1 Gearbox

Details

Product Features


This powerful bipolar stepper with a rear shaft and a planetary gearbox has a 0.023° step angle and 240 kg·cm of torque at low speeds.
 
Product Description

This NEMA-23 motor has an integrated Planetary gearbox with a
76 49/64 :1 ratio. It comes with the rear shaft exposed, so you can mount an encoder or shaft coupler.

When connected to a 1067 - PhidgetStepper Bipolar HC, the 3334 has a maximum speed of 25 RPM. At the output of the gearbox, the step angle approximately 0.023°. When using the step angle in calculations, you should derive the exact step angle by dividing 1.8° by the gearbox reduction ratio.


At 2.8 Amps, this stepper motor can produce a maximum torque of 960 kg-cm. However, the gearbox is only rated for 240 kg-cm of continuous torque. Loading this gearbox stepper beyond the torque rating of the gearbox will shorten its useful life.

Motor Controller and Connection


The 3334 stepper motor connects to a bipolar motor controller such as the 1067 - PhidgetStepper Bipolar HC.

The following diagram shows how to connect the motor wires to the board connectors to produce a clockwise rotation in the stepper motor when increasing position. To wire for counter-clockwise rotation when increasing position, reverse the red and blue wires.

Series

Note: Make sure to unplug the power cord from the motor controller before switching wires around.


The rear shaft of this motor can be equipped with the HKT22 Optical Encoder for applications where you need to keep track of the exact position, velocity, or acceleration of the motor.
Connection

Mounting Bracket


The mounting holes on this motor are compatible with the 3339 - Mounting Bracket (NEMA23).

Bracket

Product Specifications

 

Motor Properties

Motor Type Bipolar Stepper
Manufacturer Part Number 57STH56-2804B / 56JXS300K77
Step Angle 0.023°
Step Accuracy ± 5 %
Holding Torque 240 kg·cm
Rated Torque 240 kg·cm
Maximum Speed (w/1067 Motor Controller) 25 RPM
Acceleration at Max Speed
(w/1067 Motor Controller)
1E+06 1/16 steps/sec²

 

Electrical Properties

Recommended Voltage 12 V DC
Rated Current 2.8 A
Coil Resistance 900 mΩ
Phase Inductance 2.5 mH

 

Physical Properties

Shaft Diameter 12 mm
Rear Shaft Diameter 3.9 mm
Mounting Plate Size NEMA - 23
Weight 1.5 kg
Number of Leads 4
Wire Length 300 mm

 

Gearbox Properties

Gearbox Type Planetary
Gear Ratio 76 4964 : 1
Backlash Error 1 12°
Maximum Strength of Gears 240 kg·cm
Shaft Maximum Axial Load 100 N
Shaft Maximum Radial Load 250 N


Resources

 

 

Warning



warning Connecting the motor directly to a power supply will destroy the motor and void the warranty. If you want to check your motor make sure it is connected to a constant current / chopper drive controller.

Additional Information

SKU ES001741
Manufacturer Phidgets

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