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ZJSHUYI The role of the travel switch

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The #travelswitch is also known as a limit switch, which is characterized by controlling the on-off of the circuit through the displacement of other objects. The travel switch can be installed on a relatively static still life or a relatively moving animal. When the animal and the still life move relative to each other, the travel switch can sense the displacement between the two and drive the switch contacts to close or break with a connecting rod. Actions of circuits and mechanisms.

The travel switch is a switch with a wide range of applications. For example, in daily life, the lighting in the refrigerator is controlled by the travel switch, and the automatic door opening and closing speed of the elevator is also controlled by the travel switch.

In industrial production, the travel switch can be used in conjunction with other equipment to form an automatic control system. For example, in the control of machine tools, the application of the #travelswitch is indispensable. It can control the movement of the workpiece and the stroke of automatic tool feeding to avoid collision accidents. In the control of hoisting machinery, the travel switch plays the role of protecting the terminal limit.

It can be installed on relatively stationary objects (such as fixed frames, door frames, etc., referred to as still life) or on moving objects (such as vehicles, doors, etc., referred to as animals). When the animal approaches the still life, the link of the switch drives the contacts of the switch to cause the closed contacts to open or the open contacts to close. The action of the circuit and the mechanism is controlled by the change of the open and closed state of the switch contact.

The function of the travel switch is to change the motion state of the motor, thereby controlling the mechanical action or for program control. There are many #travelswitches on the machine tool, which are used to control the motion of the workpiece and the travel of automatic tool feed to avoid collision accidents. In life, travel switches are widely used, such as the lights in refrigerators and the automatic doors of elevators and the speed of opening and closing doors, all of which are controlled by travel switches. In industry, it can be used in conjunction with other equipment to form an automatic control system. In the control of hoisting machinery, the travel switch plays the role of protecting the terminal limit. Usually the travel switch is used to limit the position and stroke of the mechanical movement, so that the mechanical movement can stop, reverse or move freely according to a certain position and stroke.

Precautions for using the #travelswitch:

1. If a rolling travel switch is used, it should be noted that there are two groups of electric shocks inside, one group of electric shocks needs to be normally open, and the other group of electric shocks needs to be normally closed. The travel switch is basically used in major factories, which can allow the traffic in the workshop to be limited up and down or left and right, and can also automatically travel back and forth.

2. When the travel switch is being installed, it is necessary to pay attention to whether the block iron will hit the travel switch in the entire walking area. If so, it needs to be set again, otherwise it will not be used normally. Therefore, be careful not to let the stopper strike any position of the travel switch.

3. In normal times, it is necessary to test the travel switch from time to time to see if there is any looseness, and the judgment method is relatively simple. You can touch the head of the travel switch with your hand a little, if there is no “pop” If there is a sound, it means that the problem is relatively large, and it should be disassembled and repaired in time.

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