The principle of the limit switch is very practical

1, the limit switch, also known as the travel limit switch, is used to control the travel and limit protection of mechanical equipment.

2. In actual production, the travel limit switch is installed in a pre-arranged position. When the module installed on the moving parts of the production machinery hits the travel switch, the contact of the travel limit switch acts to realize the circuit switching.

3, therefore, the limit switch is an electrical appliance that switches the circuit according to the stroke position of the moving parts, and its principle of action is similar to that of the button.

4, limit switch is widely used in all kinds of machine tools and lifting machinery, to control its stroke, terminal limit protection.

5. In the control circuit of the elevator, the travel limit switch is also used to control the speed of the car door, the limit of the automatic opening and closing, and the protection of the upper and lower limits of the car.

6. The limit switch is an electrical switch used to limit the motion limit position of mechanical equipment.

7, this switch has contact and non-contact.

8, the contact type is more intuitive, the moving parts of the mechanical equipment, install the upper limit switch, and install the limit position of the stop block on the fixed point of its relative movement, or the opposite installation position.

9. When the mechanical contact of the limit switch meets the stop block, the control circuit is cut off (or changed), and the machine stops running or changes its operation.

10, due to the inertia of the mechanical movement, this travel switch has a certain "overtravel" to protect the switch from damage.

11, the limit switch is a commonly used small current master electrical appliance.

12, the use of the collision of the moving parts of the production machinery to make its contact action to achieve the switch or break the control circuit, to achieve a certain control purpose.

13, usually, this type of switch is used to limit the position or stroke of the mechanical movement, so that the moving machine automatically stops according to a certain position or stroke, reverse movement, variable speed movement or automatic round-trip movement.

14, in the electrical control system, the role of the limit switch is to achieve sequence control, positioning control and position state detection.

15, used to control the stroke and limit protection of mechanical equipment.

16, structure: by the operation head, contact system and shell composition.

17. In actual production, the limit switch is installed in a pre-arranged position. When the module installed on the moving parts of the production machinery hits the stroke switch, the contact of the limit switch acts to realize the circuit switching.

18, therefore, the stroke switch is an electrical appliance that switches the circuit according to the stroke position of the moving parts, and its principle of action is similar to that of the button.

19, limit switch is widely used in all kinds of machine tools and lifting machinery, to control its stroke, terminal limit protection.

20. In the control circuit of the elevator, the travel switch is also used to control the speed of the car door, the limit of the automatic opening and closing, and the protection of the upper and lower limits of the car.

21. In actual production, the limit switch is installed in a pre-arranged position. When the module installed on the moving parts of the production machinery hits the stroke switch, the contact of the limit switch acts to realize the circuit switching.

22, therefore, the stroke switch is an electrical appliance that switches the circuit according to the stroke position of the moving parts, and its principle of action is similar to that of the button.

23, limit switch is widely used in all kinds of machine tools and lifting machinery, to control its stroke, terminal limit protection.

24. In the control circuit of the elevator, the travel switch is also used to control the speed of the car door, the limit of the automatic opening and closing, and the protection of the upper and lower limits of the car.