Electronics Forum: placemnt (Page 1 of 1)

Teflon PCBs

Electronics Forum | Mon Oct 08 17:01:19 EDT 2001 | upinder

Hi All. Need some immidiate help. I need to know any / all basic info regarding Teflon PCBs. Any special requirements for assembly on SMT and thru-hole lines, like profiles, placemnt , wave etc. Will there be some basic / big differences in comparis

Are there small pick & place machines for low volume?

Electronics Forum | Wed Feb 01 16:06:48 EST 2006 | russ

A small assembler with a pair of tweezers maybe? just kidding. There is some table top placement equipment available but I can't remember who or what. Try a Google search for SMT placemnt

fiducial mark

Electronics Forum | Mon Mar 01 13:06:55 EST 2004 | Chris

Hi I have a question about fiducial mark. Can anyone explain me how it is work?. Do you have to during programming set exactly center of the mark? or approximate point the mark and the machine during placemnt will correct it. In some P&P i have met

Mirror image BGA connectors

Electronics Forum | Wed Aug 08 09:47:00 EDT 2001 | Adam

I'm trying to develop a process for a small assembly consisting of two mirror image PBGA connectors, I've built the first prototype, but I ran into different problems: 1. The SMT connector was shifting during placemnt, and I knew one issue i have to

AOI, Quality and SPC

Electronics Forum | Tue Mar 04 16:02:53 EST 2003 | Dave C.

We have auto-correct funtion on our Panasonic Create CM-301 placement machines but have never turned it on because of a perceived loss of placement time when the camera verifies placement. We look at the first article and correct placemnt if needed.

Local fiducial spacing...

Electronics Forum | Mon Jun 13 09:17:05 EDT 2005 | russ

Some machines may require that the two locals be used to calculate a center point where some (probably most) just use them as a second positional identifier. The fiducials are programmed as just XY and just prior to placement the machine will read th

SMT Connector, Placement Issues

Electronics Forum | Mon Oct 06 15:17:12 EDT 2008 | davef

Q1: You say that 0.008" of "slop" is un-doable; hence, the reasons for our failures. Any basis for that statement? A1: We're not even considering the accuracy of your placement machine. We base our comments on the gap between the hole and the connec

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