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Category:PCB PCB Assembly Rule

Group Administrators: 1 | Group Member: 64 | Group Threads: 64

Join in this group and you will know many rules of PCB Assembly and solve the problems when in PCB assembly.

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Search Results: 64 Threads,7 Pages Post A Thread
1 comments
518 views

Advice for SMT

Hi, I have been assigned to purchase a SMT assembly line for electronic ballasts used in compact energy saving lamps. I have the circuit and list of components, but know nothing about SMT. Could anybo...(view more)

avonchia
2017/5/20 10:11:14
1 comments
486 views

SMT process

we have a issue of post-reflow oven (SMT) soldering defects of blowholes and pinholes. Any suggestions or knowledge on root cause is appreciated to be share? BACKGROUND : we DI water wash ...(view more)

gyula.loosz
2017/5/4 3:59:58
1 comments
525 views

dicuss about SMT process

hello, I'm working with smt process department.(so I hope to discuss the process issue analyse and improvement) any issue pls. pass out .(view more)

Quincy
2017/4/25 6:06:58
4 comments
637 views

Issues in Assembly

Hi All, I have been looking in to some failures of PCB's in Assembly. After SMT the boards are stored for different periods of time in high humility environment (72% RH and 21.4 degrees Celsius)...(view more)

Eugene Shamaev
2017/3/21 16:13:07
4 comments
568 views

SMT Process Engineering Consulting Rates

I am trying to do a "sanity check" on an SMT hourly consulting rates. The work requires expertise in SMT process, IPC inspection guidelines and as well as hand assembly. The work would be performed in...(view more)

jluisdrv
2017/2/27 19:59:03
4 comments
543 views

Building a new PCBA by a LGA

We are about to start building a new PCBA using a LGA, we have not used such components in the past, is there any recommendations you can provide me? I've found some articles saying that stencil thick...(view more)

seamster
2017/2/27 16:22:20
4 comments
582 views

DBLS

How to prevent drop-page of DBLS PACKAGE in SMT(view more)

Eugene Shamaev
2017/2/27 15:11:27
5 comments
561 views

reject percentage of assembled circuits

This is a question for those of you who actually assemble components onto a board. Any idea what the "industry standard" is for fall out on assembled PCB's? I realize that the controls put in place in...(view more)

John Green
2017/2/27 7:45:53
5 comments
552 views

SMT and TH board carrier

Is it feasible to have one type of board carriers to take boards thru 1) glue curing process for first side and 2)invert carriers with boards, and 3)reflowing second side, and 4) do manual stuffing of...(view more)

sergio
2017/2/27 7:04:46
5 comments
461 views

SMT productivity measurement

Currently, I have been requested to measure our SMT productity, capacity levels. I employed "pcs/day" as a base to come out with indicators for the top management decision-making. Anyone has other ide...(view more)

tom
2017/2/27 7:02:22

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