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NEMA 34 Stepper Motor Applications and Dimensions

NEMA 34 is a high torque hybrid bipolar stepping motor with a 3.4×3.4 inch faceplate. Hybrid stepper has the combination of the features of the Variable Reluctance Stepper Motor and Permanent Magnet Stepper Motor. This motor has a step angle of 1.8 deg., this means that it has 200 steps per revolution and for every step it will cover 1.8°.  This NEMA 34 is a 2-Phase motor with 4 wires. Compatible controllers for this motor are CW230, CW250 and CW860.


How to use NEMA 34 Stepper Motor
As mentioned above this stepper motor draws high current so instead of controlling it directly, use an appropriately powerful stepper motor drivers like cw230. Wiring diagram for NEMA 34 Stepper motor is given below:

 How to use NEMA 34 Stepper Motor

 

As shown in wiring diagram there are four wires of different colours i.e. Red, Green, Yellow and Blue. These wires are connected to two different coils. Red and Green connected to one coil while Yellow and Blue are connected to other.

To rotate the motor coils are energized in a logical sequence. To rotate the motor in anticlockwise motion of the rotor the phases are energized in the following sequence +A, +B, -A, -B, +B, +A and for the clockwise rotation, the sequence is +A, -B, +B, +A……..

 

Stepper Motor Applications
CNC machines
Precise control machines
3D printer/prototyping machines (e.g. RepRap)
Laser cutters
Pick and place machines
 

NEMA 34 Stepper Motor Dimensions

NEMA 34 Stepper Motor Dimensions


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