When technically evaluating a UV printer, professionals who are new to the industry should have a deep understanding of its key components and their performance. This not only helps to select the right equipment for your needs, but also ensures maximum return on investment. The following content will be interpreted according to the details of the technical content, so that the novice can better understand the details.
Core component one: nozzle
Whether it is a UV printer, a dye sublimation printer, or other inkjet printers, one of the core components is the nozzle. The performance of the nozzle directly determines the printing effect.
The main role of the nozzle is inkjet, the entire printing process of the UV printer, in addition to editing and drawing a good pattern on the software, after setting various parameters, the rest depends on the nozzle to print the pattern. Then the printing accuracy, speed, life, stability, compatibility of the nozzle has become a particular point to pay attention to when examining the equipment.
Core component two: board card
As the “brain” of the UV printer, the board controls the inkjet of the nozzle and the operation of the parts of the entire machine. Therefore, when evaluating the board, it should pay attention to its data processing capability, stability and compatibility. The high performance board ensures stable performance at high speed printing and is compatible with various printing software and file formats. Once there is a problem, the entire printing process will be disrupted.
Core component three: Platform
The UV printer platform is a key component for placing the substrate, and its quality directly affects the printing effect. When evaluating a platform, attention should be paid to its flatness, load-bearing capacity, and stability. The high-quality platform ensures that the substrate remains smooth during the printing process, avoiding dents or uneven situations.
Core component four: guide rail
Guide rail is the track that supports the car to move back and forth in the printing process, and its role is to support the car to move back and forth in the printing process. Its accuracy and material hardness directly affect the running stability of the car. When evaluating the guide rails of UV printers, attention should be paid to their precision, material hardness and wear resistance. The high-precision guide rail ensures that the car remains stable while moving, reducing vibration and error.
Core component five: fuselage
This is a very easy place for users to overlook. After many users see this part, they will think that all the UV printer body frame is not made of iron, how much money can be worth, and the price is similar, in fact, it is completely wrong to think so. The structure of the frame is the basis of the entire equipment, and all the accessories must be successively installed on it. If the stability, error, and structural poor of the fuselage will cause the equipment to jitter after printing for a period of time, how to adjust is useless. It will also affect the physical wear between the above parts, which will accelerate the scrapping of parts. Good fuselage structure and poor, in the price can be 5 times different.
Core component six: LED curing lamp
LED curing lamp is an important part of UV printer, and its irradiation effect directly affects the curing quality of ink. When evaluating LED curing lamps, attention should be paid to their irradiation effect, light decay and life. High-quality LED curing lamps ensure that the ink cures quickly after printing, improving printing efficiency and quality.
The LED curing lamp is installed on both sides of the nozzle, and when the nozzle sprays out UV ink, the ultraviolet light emitted by the LED lamp is cured. Ordinary lights are less than 5,000 yuan, and good lights are more than 10,000 yuan. The better the LED lamp’s irradiation effect and light decay decline, the longer the service life of the lamp. I believe that some customers will find that some UV printers in use for a period of time, will always find the pattern sticky, dry is not thorough, even if the printing speed is reduced, or can not be completely cured. This is caused by the poor quality of the LED lamp itself.
In addition to the above six core components, it is still necessary to boot to test the printing performance of the UV printers. How to judge the printing performance? You can look at it from the following angles:
(1) Print small print accuracy
The first thing we did was the fine print accuracy test. Print professional test charts to see the accuracy of the font. The smallest word visible to the naked eye is 1 mm. The 3mm letters are already very clear, no overlapping shadows, no blurring, and the word edges are clean and sharp.
If the font has overlapping shadows, it indicates that the vibration of the printer is too large during the printing process, which may be caused by the unreasonable design of the equipment structure, so that the force running the printer nozzle can not be released.
(2) Repeated printing to test performance
The second thing we did was to print several times to test the performance. The stability of the machine with precise criteria for repeated printing parts. There are two methods to detect: one method is the method of directly using screen printing to detect the sleeve. Here we choose the second printing “well” word, repeat the print 10 times, with 40 times magnifying glass, if the contact is good, the edge transition is smooth, no flying ink indicates that this machine is excellent.
(3) The quadrilateral diagonal is the same length
Again the quadrilateral print tests the diagonal length. So what we’re doing here is we’re doing a hundred square diagonal test. According to the quadrilateral diagonal law, if the diagonal is the same length, then this is a standard rectangle, indicating that the performance of the machine is quite excellent, from the measured size can be seen, the length of the diagonal on both sides is 75cm, the graph is very standard.
If the wiring is not the same length, the diagonal length error printed out is large, it indicates that the printing accuracy is not up to standard.
(4) Visual positioning accurate printing
In the case of the function of visual positioning of the UV printer, whether it is accurate printing, does not produce the phenomenon of offset dislocation.
Through the above evaluation methods and steps, you will be able to carry out a comprehensive technical evaluation of the performance of a UV printer, so as to choose the equipment that meets your needs.
