2015-04-17
Reflow soldering operation procedure1, the safety operation rules 1.1 reflow soldering by designated personnel qualified personnel, other personnel shall not operate the machine without authorization. 1.2 this equipment is only used...
2015-04-17
Reflow soldering temperature curve of the general technical requirements and tesA, reflux temperature curve during production status: Reflow soldering is in SMT industry the main method of welding point is formed on the base board assembly, back in the SMT process flow welding...
2015-04-17
The main factors influencing the solder paste printing qualityMain factors affecting the quality of solder paste printing: Quality: 1. The first is the stencil stencil thickness and opening size determines the amount of solder paste printing. Too much solder pa...
2015-04-17
The causes of defects and countermeasures of the solder paste printingThe causes of defects and countermeasures of the solder paste printing defects Cause analysis, Send countermeasures Amount of solder paste, printing thick too much 1. The squeegee pressure is...
2015-04-17
Smt solder paste printing process is introducedPrinter is to solder paste printing on the PCB equipment, it is one of the biggest impact on the process and quality equipment. At present, the printer main points, semi-automatic printing machine an...