The sensor is a post-printing process of the device that receives the signal or stimulates and reacts. It can convert the physical quantity or chemical quantity to be measured into another corresponding output device, and is used for the automatic control of the position, temperature, distance and the like of the device. As a CTP system with a high degree of automation, of course, various types of sensors are indispensable. In this article, the sensors that will take you into the CTP will understand the functions, functions, positions, and maintenance of the sensing devices in the CTP. . Package Design
First, the role and type of sensor detection in CTP
1.1, the role of the sensor in the Trendsetter RIP
The status of the command response: You can view the status of each sensor with the command, and keep track of whether the machine's running action and time are within the correct and safe range. Postpress equipment
Sensing the position of different components: The movement of some components needs to be typeset at a safe distance and in the correct position, the next action can be effectively executed. This sensing position is very important, and the whole machine will stop working if it fails. Printing and packaging city
Inductive air pressure into the machine: There are two kinds of monitored air pressure, one is to monitor whether the air pressure entering the machine is normal, to determine whether the pneumatic part is operating Lekai 2 , and the other monitoring suction is within the standard range. Ensure that the dust after the machine is exposed can be effectively removed. General packaging
Induction temperature range: Generally, this sensor is embedded inside the components of the machine, such as the temperature control part of the laser head, to effectively monitor whether the working machine is overheated due to external or internal reasons. CTF
Inductive safety position: Safety is the most important for every machine. In addition to protecting people's safety, CTP is a commercial rotation in China . It is also important to set up safe sensing devices to protect the machine. Important design. Color management
1.2, the type of sensor in the CTP flat-mounted wireless binding line installed capacity survey
There are five different types of sensors in the CTP, namely: flexo
1, the position sensing: Omron mechanical switch, the sensor is typically provided on the door of the machine or baffle, if the shutter is opened unemployment, the machine immediately pneumatic or mechanical protection means preventing operation of the laser endanger the safety of the operator. Process
2, two kinds of optical sensors: "China Printing Blue Book"
Photoelectric disconnect sensor: The light emitted from the LED is sent to the other end of the phototransistor to detect the light wave. When an object is blocked in the middle, the sensor is displayed as off. Litong
Reflective optical sensor: The light emitted by the LED is reflected by the other object in front of the sensor and reflected in the sensor. The sensor is shown as on. Postpress equipment
Most of the sensors in Trendsetter are of the above two types. Corey
3, reed switch: digital publishing
The reed switch is completely connected by mechanical force to connect the two spring pieces, and the two sides are connected to Océ . This type of switch is used in the early CTP tail clamp, and there is a delay due to the induction action, which is very late in the CTP. There are few applications, and early reed switches can be upgraded to the latest photoelectric sensor switches. Wire processing
4, magnet switch: Océ
The magnet switch is equipped with two iron elastic spring plates. When not working, two reeds made of special materials are separated. When there is an electronic supervision code when the magnetic substance is close, under the action of the magnetic field lines, the two reeds in the tube are magnetized to attract each other, and the reeds are attracted together to connect the circuit connected to the node. After the external magnetic force disappears, the two reeds are separately cut due to their own elasticity, and the circuit is broken. Therefore, as a line switching device controlled by a magnetic field signal, a magnet switch is generally used to detect the position of a moving part, such as a magnet switch in the upper plate of the CTP and the platform of the lower version. Screening
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