Guangdong Moje intelligent Equipment Co,.LTD.

The Effect of SMT Printer Scraper on Printing

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1. Speed of SMT Printer Scraper The speed of scraper in solder printer is closely related to the viscosity of solder paste. The slower the speed of scraper, the higher the viscosity of solder paste. Similarly, the faster the speed of scraper, the smaller the viscosity of solder paste. To adjust this parameter, we should refer to the composition of solder paste and the density of PCB elements and the minimum size of components. 
2. Pressure of SMT Printer Scraper The pressure of the scraper of the solder printer has a great influence on printing. The pressure is too high, which will lead to thin solder paste printing. The ideal speed and pressure of the scraper should be to scrape the solder paste from the surface of the steel plate. The speed and pressure of the scraper also have a certain conversion relationship, that is, to reduce the speed of the scraper equals to increase the pressure of the scraper, and to increase the speed of the scraper equals to reduce the pressure of the SCR. 

 

3. Width of SMT Printer Scraper If the scraper of solder printer is too wide compared with PCB, it will need more pressure and more solder paste will participate in its work, which will result in waste of solder paste. Generally, the width of the scraper is the best length of PCB (printing direction) plus about 50MM, and the scraper head should be guaranteed to fall on the metal template. 

At present, We mainly focus on the pick and place machine china, providing the overall solution of SMT and whole assembly line equipment, mainly including the printer machine, Insertion machine, reflow oven, wave soldering machine, AOI and other series products. Our products are widely used in Household Appliances, Driver, High-end LED, Intelligent Toys, Automotive, Consumer Electronics, and aviation electronic industry, etc.

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