PCB Assembly Service Group - Page 3

Group Administrators: 1 | Group Member: 279 | Group Threads: 384

In assembly the bare board is populated with electronic components, called a "printed circuit board assembly" (PCBA). In through-hole technology, the component leads are inserted in holes surrounded by conductive pads; In surface-mount technology (SMT), the component is placed on the PCB so that the pins line up with the conductive pads or lands on the surfaces of the PCB.

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1 comments

975 views

reduce changeover times (SMT double sided)

I am working on a projet to reduce changeover times on our lines from product to product any ideas to minize time..eg feeders, kitting, etc. appreciate any help guys(view more)

Martin Banky

2017/3/1 2:58:07

1 comments

820 views

how heavy a part I can have on Bottom during top reflow

Does anybody know how I work out how heavy a part I can have on the bottom side of the board while reflowing top. Obviously there is a tie between the footprint in the paste and the surface tension of...(view more)

Michele Deligio

2017/3/1 2:57:19

1 comments

964 views

any other systems that I can compare to the StencilScan system?

We clean 40 - 50 stencils per day. I am having a problem with dry solder paste in some of the fine-pitch apertures. Manual inspection of every aperture is not feasible. I have checked out the St...(view more)

Ricardo Medda

2017/3/1 2:46:42

1 comments

833 views

The "VCO" stand for what ???

Can anyone tell me what is "VCO" free swing spray fluxer mean ??? The "VCO" stand for what ???(view more)

Lebrun Bernard

2017/3/1 2:45:31

1 comments

838 views

information on SMT process

I'm new in SMT, can anyone can tell me where can I get information on SMT process. Eg :- process flow, reflow profile ( what to look for ). I'm interested on SMT process. Can someone help........Thank...(view more)

Radu?Seica

2017/3/1 2:33:08

1 comments

968 views

typical lifespan for a wave pallet

Hi all, I am trying to find some data that will show me the typical lifespan for a wave pallet. I realize that it depends on material used (Durapol, for instance) temp profile, etc and I HAVE ch...(view more)

giorgio.cannata

2017/3/1 2:28:25

0 comments

866 views

QP-132E vs. FCM 2

Hello, Can someone help me, I want to setup a high speed SMT line. i have only 3 different products, and i have to change only once a week. I want to place 0402 and maybe later 0201. I think tha...(view more)

quintendesmyter

2017/3/1 2:27:56

1 comments

887 views

Does anyone have any experiance, good or bad, of any systems out there?

I would like to integrate all our maintenance procedures / shedules etc in one software package. Does anyone have any experiance, good or bad, of any systems out there? A rough idea of price wou...(view more)

ali.serbetci

2017/3/1 2:24:16

1 comments

1056 views

About OSP and SIR

(view more)

Cecil

2017/3/1 2:21:32

1 comments

965 views

Need helps on fine pitch components

I am working with fine pitch components (15-20 mil) and having soldering problems and would appreciate some opinions. 1) How much of an effect does pad size have on bridging? 2) How much of an effect ...(view more)

giorgio.cannata

2017/3/1 2:18:02

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