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Application of SMT Solder Paste Screen Printer

Time:2019/03/21 丨 Source:未知 丨 Browse times:

The application of smt automatic solder paste printing machine is now more and more frequent in various industries.
Do you have any understanding of the use of solder paste printing machine? On this side, Xiaohuan Xiaobian will come to give you specific instructions.

 
1. Check the correctness of the PCB to be printed;
2. Check whether the surface of the PCB to be printed is complete without defects or dirt;
3. Check whether the steel mesh is consistent with the PCB and whether its tension meets the printing requirements;
4. Check whether the steel mesh of the solder paste printing machine has blocking holes.
If there is a hole blocking phenomenon, wipe the steel mesh with dust-free paper and alcohol, and dry it with a wind gun.
The air gun should be kept at a distance of 3-5 cm from the stencil;
5. Check whether the solder paste used in the solder paste printing machine is correct.
It is used according to the “Storage and Use of Solder Paste”. Remarks: Pay attention to the time of rewarming, stirring time, lead-free and lead-free distinction.
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