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Power Tools Armature

43 products

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An armature is a term commonly used in the field of electromechanical devices, particularly in electric motors and generators. It refers to the central component of such devices, typically made of a cylindrical core of magnetic material, such as iron or steel, around which wire coils are wound.

The armature is responsible for generating the magnetic field that interacts with the electric current to produce mechanical motion or electrical energy conversion. It is often connected to a rotating shaft in motors and generators.

Here are some key features and functions of an armature:

Core: The core of the armature is usually made of laminated sheets of magnetic material. These laminations help reduce energy losses due to eddy currents.
Wire Coils: The armature has multiple wire coils wound around the core. These coils are made of insulated copper or aluminum wire. The number and arrangement of the coils depend on the specific design and requirements of the device.
Commutator: In DC (direct current) machines, the armature includes a commutator, which is a segmented cylindrical device connected to the wire coils. The commutator enables the conversion of alternating current (AC) induced in the coils into direct current (DC) through the use of brushes. The brushes make physical contact with the commutator segments and allow the flow of current in a controlled manner.
Slip Rings: In AC (alternating current) machines, instead of a commutator, the armature may have slip rings. Slip rings are conductive rings connected to the wire coils, allowing the transfer of electrical energy between the stationary part (stator) and the rotating armature.
Mechanical Support: The armature is typically mounted on a shaft or spindle, which allows it to rotate freely within the device. It is often supported by bearings or bushings to minimize friction and ensure smooth operation.

Armature is a crucial component in electric motors and generators, responsible for the conversion of electrical energy into mechanical motion or vice versa. Its design and construction vary depending on the specific application and requirements of the electromechanical device it is used in.

Showing 1 - 24 of 43 products

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