SMT Defectives_Updated video

SMT Defectives.
While making the quality data always first define the Standard Defective names.
If wrong name of defect is written in report then analysis direction might be wrong.
And in this case we can't take correct action to solve it.
In SMT, the defects are created due to problem in 3 process i.e. Printing condition, Mounting condition and Soldering condition.
SMT defects reasons.
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[@andyzhuang3946]

Very helpful, thank you .

[@markymark1366]

how did it take me so long to find this?! thank you

[@smtknow-how2277]

You can join the full course on SMT, visit us at lms.edumarshal.com/login/

[@tslee742]

thanks, good video

[@India-Tamilnadu]

It's very useful for me thank you mam

[@balbahadurdhimal9835]

Very helpful

[@seemaparveen8598]

Good

[@kanagat8858]

SMD compunent dayoid thalakezya eruntha athu problam name sollunga

[@ashishpatil8092]

Hello mam , if there reflow. Preheat section high temp given then what is result ?

[@smtknow-how2277]

If reflow preheating is higher than the standard then flux will evaporate fast causing wetting issues. It can cause other defects too.
Learn more about reflow oven profile setting & defects at our SMT full Process Training program. Register today & special discount at lms.edumarshal.com

[@nagarajm3543]

🤗

[@sookyoungchoi1289]

what is the billboard defect?

[@statusvedio8899]

If we fix the temperature then it may be stopped

[@pointTvk]

what is head on pellow defect

[@smtknow-how2277]

Head in pillow defect name is used for solder wetting issues (commonly in BGA soldering). Learn more about SMT at lms.edumarshal.com/login/

[@SandeepSingh-mx4nn]

Hi provide me gpx-c/gpx-cs printer maintenance pdf

[@statusvedio8899]

Component shifting is the biggest diffect

[@fateh20121]

how can we fix it

[@statusvedio8899]

Main reason of the Component shifting is depend on the temperature in the smt

[@statusvedio8899]

@@fateh20121 this is depend on the smt floor temperature and humidity. And also depend on solder pasting

[@moenbase1]

​@@fateh20121 Repends, how is the design of the pcb? It usually has to with the design of the pcb, from my experience anyway. DFM analyse may help.

[@trunghuong6781]

Có video mô phỏng các lỗi đó không nhỉ ?

[@smtknow-how2277]

Join our online training program at lms.edumarshal.com/

[@lehung7976]

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