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sábado, 22 de abril de 2017
Limit switches
Limit switches are contact sensors that display an electrical signal, in the presence of a mechanical movement. They are widely used in industrial environments to censor the presence of objects in a specific position. They are used in various applications.
Cam switch controller
The device on the side of the pulley in the picture above is called a cam. They shape of this device allows us to control the moment and duration of an activity, such as the runing of a motor or the illumination of a light bulb.
miércoles, 19 de abril de 2017
Electromagnetic control systems
An electromagnetic cotrol systems activates the various parts of a machine, at the right moment and for the right amount of time, ensuring that the machine funtions properly.
martes, 18 de abril de 2017
Relays
A relay in a electromagnetic component that works as a switch. The coil attracts a moveable metal contact towards another fixed contact. When the elctricity stops flowing, the moveable contact goes back to its original position.
Electric motors
An electric motor is a device that can transform electrical energy into movement. It ises the forces of attraction and repulsion between a magnet and an electrically-charged wire.
Electromagnetic generators
Dynamos
A dynamo consists of a magnet and rotary coil. These conductors are attached to carbon bruses, which in turn are connected to electrical wires. When electricity is applied to the coil, it rotates and begins to generate direct current in te coil.
A dynamo consists of a magnet and rotary coil. These conductors are attached to carbon bruses, which in turn are connected to electrical wires. When electricity is applied to the coil, it rotates and begins to generate direct current in te coil.
Alternators
A simple alternator nis almost to a dynamo, except for the commutator, which consists of two matallic rings connected to carbon bruses instead of direct current, this produces alternating current.
Electromagnetic mechanisms
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