PCB Assembly Service Group - Page 21

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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4 comments

1316 views

SN63A solder wire is 2% vs 2.2% flux

Anyone know what difference it makes whether SN63A solder wire is 2% vs 2.2% flux - and why ?(view more)

Martin Banky

2017/2/28 13:42:40

3 comments

803 views

Silver Epoxy and CEM3

Does anyone have any experience they are willing to share on Ag epoxy used as a copper through hole plating replacement? Was CEM3 used? What are the limitations? Thanks(view more)

Ricardo Medda

2017/2/28 13:39:42

4 comments

876 views

soldering of I-leads onto SMT-pads

Does a norm exist, that gives information on soldering of I-leads onto SMT-pads. Especially I am interested in statements about the quality of the solder joints(view more)

Sumedha Dharmathilak

2017/2/28 13:36:24

4 comments

819 views

Reflow Oven Exhaust

We're installing our first SMT line and my boss asked me a question I couldn't answer right off the top of my head. I have been an SMT process engineer for about 12 years and I guess this just never c...(view more)

theo_bestenlehner

2017/2/28 13:35:47

4 comments

748 views

Non contact adhesive dispensing

Have mixed technology board and am interested to hear any info on the Nordson non-contact adhesive dispenser. I woud appriciate any feedback I could get. I am currently using a contact system and am t...(view more)

Mustafa hakan

2017/2/28 13:34:32

4 comments

772 views

Sanyo equipment

I am interested in forming a discussion group for users of the Sanyo equipment. Let me know about your experiences.(view more)

timmy.hadwen

2017/2/28 13:33:55

4 comments

839 views

Panasonic MV series chipshooter: Pros and Cons

I am thinking of purchasing a Panasonic MV series chipshooter. If you own a Panasonic MV machine I would like to hear what you like and dislike about it. Is the service good? Are spare parts readily a...(view more)

hgp

2017/2/28 13:32:16

0 comments

883 views

Cp and Cpk

sirs, which equipment manufacturers provide Cp and Cpk values for automatic stencil printing equipment? what would be a good experiment for specifying these process indices? Cheers -...(view more)

Thomas Lithen

2017/2/28 13:24:07

0 comments

800 views

cabinet with slots or something to store reels and tubes

What are you people using to store component reels and tubes in? I am looking for a cabinet with slots or something to store reels and tubes. We keep our components on the production floor near the ma...(view more)

zanittie

2017/2/28 13:23:03

0 comments

667 views

Fuji IP3 machine

Does anybody know how to update a different nozzle than the standard one on a Fuji IP3 machine? I want to use a 15.8 mm height nozzle, but the limit on height size is 10 mm for IP3.I know, I nee...(view more)

Spyros

2017/2/28 13:21:58

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