Articles tagged with: cnc router

Specification of the NEMA 23 Stepper Motor

NEMA 23 is a special-build stepper motor consisting of a 58.4×58.4-inch faceplate. It has a 1.8o step angle that can produce 200 steps per revolution. Each phase is capable of drawing 2.8 A of current with a voltage of 3.2V. It allows a holding torque of 19 kg-cm.

This kind of motor is employed in the CNC machine, hard drives, and linear actuators. The motor consists of four wires of varying colors to distinguish them. They are terminated by bare leads.

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The green and black wires are connected to a single coil while the blue and red wires are connected. This motor consists of four phases with 3.1 inches of motor length. There are four active lead spots and produce 3.6mH of inductance per phase.

As the NEMA 23 motor draws high current, one must control it using a powerful stepper motor device instead of controlling it through H-bridges. The motor can be rotated by energizing them in a logical order. By designing a digital logic circuit or by making use of a microcontroller, we can control the logical sequence.

Components of a motor and their description-

The copper wire windings are perfectly embedded into the stator and are available in varying thickness and motor-specific inductance and resistance. Hybrid stepper motors are exclusively available with ball bearings. They determine the service life and are the only movable components of the motor.

The shaft plays an integral part in the stepper motor. It is responsible for transferring kinetic energy. It is manufactured using non-magnetic, electrical stainless steel. The core of the rotor consists of a permanent magnet that forms the magnetic antipole to the respective electromagnet of the stator.