Understanding Starter Motor Components and Their Functions

Starter motors make the starting system of an internal combustion engine, and their purpose is to crank your car's engine for the first time. Generally, most starter motors use the same working principle where the motor rotates the engine's crankshaft using the flywheel and a special electric circuit. When this happens, the crank begins to rotate and that triggers continuous cycles in your internal combustion engine.

Certainly, your starter motor can only do this if it has all the essential components. The following piece examines some of the primary components of starter motors to help you gain more insight:

The Solenoid Starter

The solenoid starter is one of the essential components of a starter motor. The solenoid resembles a small tube on the main motor, and the name is coined from two solenoids housed in the tube. Primarily, the solenoid starter pushes the pinion drive elements and delivers voltage to the main motor. Pull-in coils work to shove the plunger so that it pushes against the drive pinion elements. At the same time, the hold-in coil stands up to the motion of the pull-in coil and connects the main motor with current from the battery. Essentially, the solenoid has a coil's shape with an iron core located at the centre of a copper coil. The combination makes a strong winding with several dimensions that can move the plunger fast and hard.

Solenoid Lid or Cap

The solenoid lid or cap is a cover circuit installed on the front section of the starter. This cap is not only a cover but also acts as a media liaison for the starter actuator and the current flowing in the system. Typically, the lid links to several terminals. One terminal goes to the starter circuit for the ignition where your motor gets the command to activate or stay off. The second terminal gets current directly from the battery and power to reach certain electrical components of the car. In this way, you can use your stereo, air conditioning unit and other components without having to crank the engine. Current is readily available at this terminal.

Amateur Coil

An amateur coil is one of the essential components of your starter motor. It also goes by the name coil rotor, and it sits close to the motor shaft. The amateur coil provides a robust magnetic field that interacts with the magnetic field coils to facilitate movement. It also has copper strands and thousands of windings tasked creating the magnetic field.

Contact a supplier of OEM starter motors to learn more.

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11 December 2020
Starter motors make the starting system of an internal combustion engine, and their purpose is to crank your car's engine for the first time. Generall

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