PCB Assembly Rule Group - Page 2

Category:PCB PCB Assembly Rule

Group Administrators: 1 | Group Member: 69 | Group Threads: 64

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4 comments

980 views

Calculate SMD movement during reflow

Does the possibility exist where one can calculate the movement of a SMT component during reflow given component and pad geometries? Thanks in advance.(view more)

Charles

2017/2/27 6:49:11

5 comments

954 views

Humidity Of Assembly Area

We manufacture opto-electronics, small ccd cameras for pipeline inspection. I was wondering if anyone knew of a standard value for the recommended humidity of an assembly environment for optos in part...(view more)

tomas ageitos

2017/2/27 5:47:54

5 comments

963 views

SMT Chip terminal lifted

Can anyone there please tell me what can cause the SMT chip terminal lifted? This happen quite often and I can't find the root cause for this problem. Does it cause by material/Placement?(view more)

Barry

2017/2/27 5:32:26

5 comments

905 views

SMT Placment Reliability

There is a hypotheses floating here that the more surface mount components on a PCB, the percent of misplacement goes up. I'm on the receiving end of this, and looking for backup, or argument for the ...(view more)

marcolastri

2017/2/27 5:11:40

5 comments

1096 views

To apply DOE in SMT process

Hi, everyone, I'm an new engineer and in charge of SMT process. Now I want to apply DOE to printing process. some questions to ask you guys. 1. how many replications do i need in each run (L8) ? 2. af...(view more)

linhpost

2017/2/27 5:03:13

5 comments

910 views

SMT Classes

I have a need to send some Engineers to intro SMT classes. I have found two avenues: 1)ACI (which is to high level!) 2)Cookson CPS which is more in line with intro to SMT process. Are there othe...(view more)

drka

2017/2/27 4:07:06

4 comments

1023 views

SMT p&p new line

Goodday,my name is Fabio and i'm smt tecnician manager of an italian company i must buy a NEW line smt. My end choose is: europlacer(Vitesse) or Mydata(My9+My9) or Siemens(CS+CF). if it's possible i w...(view more)

Harris.shallcross

2017/2/27 0:32:06

4 comments

979 views

Starting an SMT line

We are investigating equipment for a new SMT line. We are an OEM doing thru hole assembly and now must decide whether to do SM assembly in house or sub-contract out. We are a low volume/high board mix...(view more)

Earl Swope

2017/2/26 15:39:44

3 comments

773 views

SMT tape boards!

We are experinecing adhesives left on the boards after running taped boards for placement verification on NPI. We've been using 3M double sided (333) tape for over 15 years. Any other suggestions on a...(view more)

Josh

2017/2/26 10:39:22

1 comments

1086 views

5 Need-to-Know Component Assembly Methods

Part of a designer's professional developments should be to learn as much as possible about the activities that go before and come after the layout process. And with today's highly complex designs, th...(view more)

jorgedavid907

2017/2/17 23:32:17

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