SMD processing is a kind of electronic manufacturing services, called SMT. PCB is a kind of substrate components of PCBA, today to talk to you about the role of PCB board printing solder paste.
Printed solder paste has two main roles.
1.Fixed electronic components
Solder paste is similar to toothpaste-like things, some sticky, electronic components through the pick and place machine will be mounted to the PCB pads above, through the stickiness of the solder paste slightly sticky components and will not let the PCB in the barge conveyor process vibration and lead to fall off
2.Reflow oven, solder paste hot melt, electronic components pin bottom crawl tin and PCB pads fixed
Solder paste Z is important for reflow soldering machine, so that electronic components climb tin and PCB pads fixed, because the components of the solder paste is flux, tin powder, tin powder in the reflow soldering inside after high temperature hot melt to form a liquid tin, so that the component pins eat tin, after the reflow soldering cooling area, liquid tin into a solid state, so that the components and pads fixed to play a conductive performance, play a functional role of various components The liquid tin becomes solid after passing through the reflow cooling zone, thus holding the components and pads in place and playing the function of various components.
NeoDen automatic paste printing machine features
1.Accurate optical positioning system
2.Intelligent squeegee system
3.High efficiency and high adaptability stencil cleaning system
4.HTGD Special PCB thickness adaptive system
5.Printing axis servo drive
6.2D solder paste printing quality inspection and SPC analysis
Post time: Jul-28-2022