Views: 153 Author: Site Editor Publish Time: 2022-08-25 Origin: Site
In the industrial market, limit switches and ordinary proximity switches are common choices, but the price of limit switches will be more expensive than ordinary proximity switches. If you are curious about the answer to this question, you can continue reading.
The difference between mechanical limit switch and proximity switch is characteristics, principles and applications.
1. Different Features
The micro limit switch has the characteristics of small size, multiple functions, high precision, adjustable limit, strong versatility, and convenient maintenance, installation, and adjustment.
Proximity switches not only have the characteristics of safety limit switch, but also have sensing performance, reliable action, stable performance, fast frequency response, long application life, strong anti-interference ability, and it has the characteristics of waterproof, shockproof, and corrosion resistance.
2. Different Principles
The principle of the high temperature limit switch is to use the collision of the moving parts of the production machinery to make the contacts move to realize the connection or disconnection of the control circuit to achieve a certain control purpose.
The principle of proximity switch is that when an object approaches the sensing surface of the switch to the operating distance, it does not require mechanical contact and any pressure to make the switch act, thereby driving a DC electrical appliance or providing control instructions to a computer device.
3. Different Applications
Cnc limit switches are widely used in the control and limit of spatial three-coordinates of lifting and transmission machinery in construction, port, mining and other industries to control their travel and carry out terminal limit protection.
Proximity switches are widely used in aviation, aerospace technology and industrial production. In daily life, such as hotels, restaurants, garages, automatic doors, automatic hot air blowers, there are applications of proximity switches. In terms of security and anti-theft, such important places as data files, accounting, finance, museums, and vaults are usually equipped with anti-theft devices composed of various proximity switches.
1. Used for Product Inspection and Counting
When the product is pushed to the lever limit switch, the limit switch sends a signal to the control system. In this case, using the PLC ladder, the user can count the number of times the product has been pushed to the hoist limit switch, thereby displaying a counter for the operator.
2. Used for Personal Safety
The position limit switch is used to detect the opening of the safety guard. If the guard is opened during operation, the limit switch will prevent its operation, thereby helping to protect the operator from any injury.
3. Used for Providing Security for the Machine
The wireless limit switch can also save and protect the machine from any type of accidental damage. This includes many components such as motor clutches, arm end tools, equipment and objects that may damage other objects if they fail, such as gears, shafts, etc.