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What is the difference between a limit switch and a micro switch?

Limit switches and micro switches are common electronic switching devices that play an important role in industrial automation and machinery control. Although both are switches used to detect and control the position of an object, there are some differences in working principle, structure, and application.

What is the difference between a limit switch and a micro switch?

Definition and function of limit switches and micro switches

A limit switch is a switch used to detect the position of an object. It usually consists of a trigger and a control unit. The trigger is usually a device that generates a signal when an object approaches or touches it, while the control unit is responsible for processing this signal and controlling the movement of other devices. Limit switches are commonly used for positioning and control of mechanical devices such as machine tools, conveyor belts, and automated production lines. With limit switches, we can accurately detect the position of an object in order to control the operation accordingly.

In contrast, micro switches are normally closed or normally open electronic switches that serve to detect and control mechanical movements. A micro switch usually consists of a trigger and a control unit, and the trigger can be triggered by a mechanical or other physical force. The trigger of a micro switch is usually a device with a spring. When an object is touched or a force is applied, the trigger will change its state and control the operation of other devices through the control unit. Micro switches are usually used in areas such as household appliances, automotive electronics, and mechanical devices. Through micro switches, we can achieve the control and protection of equipment.

Appearance and construction differences between limit switches and micro switches

Limit switches usually have a more robust housing to protect the internal circuitry and components. They are available in a variety of configurations, such as rotary, slide, or lever. Limit switches are generally simpler in appearance, consisting mainly of a switch body and a triggering device.

Micro switches are generally miniaturised and have a more compact appearance. Its structure usually consists of a touch-active lever and contacts, and the touch-active lever can be adjusted as needed to meet different triggering conditions.

Working principle and triggering mode of limit switches and micro switches

Limit switches judge whether a predetermined position has been reached by detecting the position of an object, thus triggering the switch action. It can be triggered by mechanical triggering, magnetic triggering, or photoelectric triggering.

The working principle of micro switch is to make the movable rod displaced by external force, thus triggering the switch action. There are various triggering methods, which can be physical triggering, vibration triggering, or photoelectric triggering.

Differences in the application fields and uses of limit switches and micro switches

Limit switches are widely used in mechanical equipment, automated production lines, robots, and other fields, for detecting the position of objects, controlling the movement of equipment, and protecting the safety of equipment.

Micro switches are commonly used in electronic equipment, electrical appliances, automobiles, and other fields for controlling the switching of circuits, detecting the state of equipment, and protecting the safety of electronic components, etc.

Comparison of advantages and disadvantages of limit switches and micro switches

Limit switches have the advantages of sturdy structure, high reliability, adaptability, and so on. However, its disadvantage is the larger size, installation, and maintenance are more complex.

Micro switches have the advantages of small size, easy installation, trigger sensitivity, and so on. However, its disadvantage is the lower carrying capacity, vulnerable to external interference.

Difference and connection between the limit switch and micro switch

Limit switches and micro switches have certain differences in appearance, structure, working principle, and trigger mode. Limit switches are mainly used to detect and control the position of objects, while micro switches are mainly used to generate instantaneous switching action.

Importance of limit switches and micro switches in engineering applications

Limit switches and micro switches have important application value in modern engineering. They can effectively control the movement and state of the equipment to ensure the safe and stable operation of the equipment. Although there are some differences between limit switches and micro switches in terms of working principle, structure, and application, they are both switching devices used to detect and control the position of objects. Limit switches are mainly used in the field of industrial automation for positioning and controlling the movement of mechanical devices. Micro switches are mainly used in fields such as household appliances and automotive electronics for detecting and controlling the state and movement of devices. Whether it is limit switches or micro switches, they play an important role in industry and life and improve productivity and equipment reliability.

ZHEJIANG KANGERLE ELECTRONICS CO., LTD was founded in 1993. We are micro limit switches manufacturers We have a complete range of micro switches for sale, which are high-quality products. If you want to know more about micro switches, welcome to click on our official website for details: https://www.kel-switch.com/.

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