3340_0 - 42STH38 NEMA-17 Bipolar Precision Gearless Stepper

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Quick Overview

This precision bipolar stepper with rear shaft has a 0.9° step angle and 3.3 kg·cm of torque at low speeds.

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  • 3340_0 - 42STH38 NEMA-17 Bipolar Precision Gearless Stepper

Details

Product Features


This precision bipolar stepper with rear shaft has a 0.9° step angle and 3.3 kg·cm of torque at low speeds.
Product Description

This NEMA-17 motor generates 3.6 Kg-cm of holding torque at 1.7 Amps. It comes with the rear shaft exposed, so you can mount an encoder or shaft coupler.

This motor is particulary suited for precision applications due to its 0.9° step angle.

When connected to a 1067 - PhidgetStepper Bipolar HC, the 3340 has a maximum speed of 2344 RPM.


Motor Controller and Connection

The 3340 stepper motor connects to a bipolar motor controller such as the 1067 - PhidgetStepper Bipolar HC.

The following table 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.


Wire Color Black Green Red Blue
Board Connector A B C D

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 Encoderfor 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 3338 - Mounting Bracket (NEMA17).

Bracket
Product Specifications

Motor Properties

Motor Type Bipolar Stepper
Manufacturer Part Number 42STH38-1684MB-12
Step Angle 0.9°
Step Accuracy ± 5 %
Holding Torque 3.6 kg·cm
Rated Torque 3.3 kg·cm
Maximum Speed (w/1067 Motor Controller) 2344 RPM
Acceleration at Max Speed
(w/1067 Motor Controller)
1E+06 1/16 steps/sec²

Electrical Properties

Recommended Voltage 12 V DC
Rated Current 1.7 A
Coil Resistance 1.7 Ω

Physical Properties

Shaft Diameter 5 mm
Rear Shaft Diameter 3.9 mm
Mounting Plate Size NEMA - 17
Weight 288 g
Number of Leads 4
Wire Length 300 mm


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.

Resources

Additional Information

SKU ES001903
Manufacturer Phidgets

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