Magnetic switches are line switching devices that use magnetic field signals to control, also called magnetic switches. It is mainly sensed by a magnet, which is more convenient and belongs to the sensor. Below we talk with Xiao Bian about magnetic switch related knowledge.
The role of magnetic switch
The magnetic switch is used to detect the position of the piston of the cylinder, that is, to detect the stroke of the piston. The magnetic switch can be used to feedback the position of the cylinder piston rod. The feedback signal can be used to control the motion of other components. The stroke of the cylinder can also be controlled. For example, the cylinder stroke is 100, the stroke can be adjusted to 80; The switch also enables the cylinder to stop at multiple points (but the stop accuracy is not high).
Magnetic switch principle
The magnetic switch is in a closed metal or plastic tube, and is provided with one or more reed switches, and then the tube is passed through one or more, hollow and floating balls with ring-shaped magnets inside, and the floating ring is controlled by using a fixed ring. With the reed switch in the relevant position, the floating ball floats up and down within a certain range. The magnet in the float ball is used to attract the contact of the reed switch, and an on and off action occurs.
Magnetic switch circuit
Precautions for use Do not apply excessive force to the switch during installation, such as blow and throw switches. Avoid using magnetic switches in environments where there are strong magnetic fields and high currents (like large magnets, welding machines, etc.). Do not combine the connecting wires with the power lines. Do not leave the magnetic switch in a water or coolant environment. For use in this environment, cover it with a cover. When wiring, the wire should not withstand tensile and bending forces. In the case of movable parts such as manipulators, wires with bending resistance should be used to avoid damage or breakage of the switch. The wiring of the magnetic switch cannot be directly connected to the power supply, and the load must be connected in series. The load voltage and the maximum load current should not exceed the maximum allowable capacity of the magnetic switch, otherwise its life will be greatly reduced. The indicator has a contact magnetic switch. When the current exceeds the maximum current, the LED will be damaged; if the current is below the specified range, the LED will be dark or not bright. For DC, the positive and negative poles need to be divided. If the wiring is reversed, the switch can operate but the indicator light is off.
SMC magnetic switch use
The SMC magnetic switch is mainly used to control the movement of industrial machinery. The range of rotation ratio is 1:1 to 1:150. The total size is suitable for assembly in a small space. The transmission shaft and gear drive shaft are made of stainless steel, gears and The drive bush is made of self-lubricated thermoplastic material. All kinds of materials and components have good abrasion resistance. At the same time, the equipment has good waterproof and dustproof performance. The magnetic switch is mainly used to control the movement of industrial machinery, such as lifting, the ratio of the rotation ratio is from 1:1 to 1:9400; the standard limit switch is installed with 2, 3, 4, 6, 8, 10 Or 12 snap-action or slow-action switches and pointed-angle cam PRSL7140PI. According to user requirements we can provide other components and turn ratio. Make special orders. The maximum turn ratio is 1:9400. All materials and parts are corrosion resistant, waterproof and dustproof.
About the role of magnetic switch and its related knowledge Xiaobian introduction introduced here, and hope to be helpful to everyone. If you want to know more related information, you can pay attention to this website information.
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