Aluminium Motorcycle Bendix Bajaj205 Affordable Gear High Performance

Structural composition
Stator: It is equivalent to the skeleton of the motor. The coil is wound inside. When powered on, it will generate a rotating magnetic field, providing a power basis for the rotation of the rotor.
Rotor: It is located inside the stator, usually made of cast aluminum or cast steel. There are permanent magnets or coils around the rotor. It is pulled to rotate under the action of the magnetic field generated by the stator. It is a key component for converting electrical energy into mechanical energy.
Commutator and carbon brush: There is a circle of copper sheets on the tip of the rotor shaft, which is the commutator, and the carbon brush is next to it. The carbon brush introduces the current into the rotor. As the rotor rotates, the carbon brush slides on the commutator to ensure that the current direction remains unchanged, so that the rotor can continue to rotate.

Reduction gear set
Armature shaft: It is connected to the motor rotor, directly receives power, and transmits the power of the motor to the subsequent transmission components.
Transmission gear: It is mounted on the armature shaft and meshes with the reduction gear in the starter. Through the designed transmission ratio, the high speed and low torque of the motor are converted into low speed and high torque suitable for driving the engine.
Drive gear: It usually has a one-way clutch and can only rotate in one direction. When working, it bites the gear ring on the engine flywheel, driving the engine crankshaft to rotate together, thereby starting the engine.

Starter relay and electromagnetic switch
Starter relay: receives the start command from the ignition switch and controls the high current circuit of the starter. There is a small electromagnet inside the relay, which closes the switch after power is turned on and connects the starter circuit.
Electromagnetic switch: installed on the starter, and also has an electromagnet and movable contacts inside. When the start button is pressed or the electronic key is used to start, the electromagnet is energized to close the contact, so that the starter is connected to the battery and the motor starts to rotate.

Connectors and others
Shell: As the outer shell of the entire starter, it plays a role in protecting the internal parts, can be dustproof and waterproof, and ensure that the internal parts of the starter work in a good environment.
Terminal block: It is a metal part used to connect wires on the starter, connected to the battery, relay, controller, etc., to achieve circuit conduction and signal transmission.
Mounting bracket and fixing bolt: used to firmly fix the starter to the engine or frame of the motorcycle to ensure that the starter will not move or shake during operation.

Working Principle
When the driver operates the starter lever or presses the start button, the battery provides electrical energy to the starter motor. The current enters the DC motor through the electromagnetic switch, and the stator coil generates a magnetic field, causing the rotor to start rotating under the action of the magnetic field. The rotational power of the rotor is transmitted to the reduction gear set through the armature shaft. After deceleration and torque increase, the drive gear drives the engine flywheel to rotate, and then drives the engine crankshaft to rotate. At this time, the engine piston begins to move up and down, completing the working cycle of intake, compression, ignition combustion and exhaust, so that the engine enters the working state. Once the engine starts and starts to run normally, the starter motor stops working and is maintained by the engine's own power output.

Function
Starting the engine: This is the most important function of the motorcycle starter motor, providing the engine with initial rotational power, so that the engine can overcome internal resistance and start running, thereby achieving fuel combustion and power output.
Auxiliary power generation: In some motorcycle designs, the starter motor can also play an auxiliary power generation role when the engine is running, converting part of the engine's mechanical energy into electrical energy to provide power for electrical equipment on the motorcycle such as lights, horns, and instruments.

Contact way

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