Category:PCB Assembly PCB Assembly Rule

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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: 66 Threads,7 Pages
1 answers
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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... (See More)

avonchia
2017-05-20 10:11:14
Leo Korbee
2017-05-20 11:28:26
1 answers
62 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 ... (See More)

gyula.loosz
2017-05-04 03:59:58
Burton
2017-05-04 04:43:20
1 answers
173 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 . (See More)

Quincy
2017-04-25 06:06:58
Luis Fernando
2017-04-25 11:34:02
4 answers
241 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)... (See More)

Eugene Shamaev
2017-03-21 16:13:07
filippo.lalli
2017-03-01 16:13:07
4 answers
168 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... (See More)

jluisdrv
2017-02-27 19:59:03
James Kent
2017-03-01 19:59:03
4 answers
136 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... (See More)

seamster
2017-02-27 16:22:20
Mikael
2017-03-01 16:22:20
4 answers
190 views

DBLS

How to prevent drop-page of DBLS PACKAGE in SMT (See More)

Eugene Shamaev
2017-02-27 15:11:27
Bartley
2017-03-01 15:11:27
5 answers
202 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... (See More)

John Green
2017-02-27 07:45:53
Cornell
2017-03-01 07:45:53
5 answers
185 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... (See More)

sergio
2017-02-27 07:04:46
MarcBlade
2017-03-01 07:04:46
5 answers
91 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... (See More)

tom
2017-02-27 07:02:22
servis.av
2017-03-01 07:02:22
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Search Results: 66 Threads,7 Pages