Electronics Forum: not and engineer (Page 8 of 20)

CIM systems and Final Assembly

Electronics Forum | Tue Jan 23 11:42:05 EST 2001 | aiscorp

In the past when the electronics industry was only beginning to mature, many companies considered CIM systems or even just basic CAD/CAM functionality a luxury of only the large OEM's which would develop their own tools. Now, with the competitivenes

0402 pad and stencil aperture design

Electronics Forum | Thu Oct 30 15:36:18 EDT 2008 | grantp

Hi, Sounds like your engineer does not know what he's doing. We have developed and built hundreds of thousands of boards with normal square pads for 0402, and we just use a 5 thou stencil with 5% reduction and it works well. Decoupling? What is tha

CIM systems and Final Assembly

Electronics Forum | Mon Jan 22 15:01:32 EST 2001 | aiscorp

CIM systems for electronics assembly have traditionally considered the PCB only. Final assembly "modules" are often attached to traditional systems to accommodate this common requirement for pre-PCB assembly, mechanical assembly, and final assembly

repeatabilty and measurement for quality

Electronics Forum | Mon Sep 10 17:52:30 EDT 2001 | mparker

Are you doing actual measurements of the dummy parts placements? or are you just doing a visual go/no go check? If doing actual measurements, be sure to use mil inch units of measure rather than mm. Mil will give you more accurate readings. mm force

New Pick and Place Operation

Electronics Forum | Fri Jun 04 08:25:06 EDT 2004 | Cal

OK I am game and will put some input here...I do like the Samsung machines for the price and they are easy to program. Another company you may want to look at is Essemtec. ESSEMTEC USA Glasboro, NJ 08028-1499 Steve Pollock Tel. 1/856 218 1131 Fax 1/

New Pick and Place Operation

Electronics Forum | Mon Jan 09 18:51:05 EST 2006 | grantp

Hi, I have used both MYDATA TP9, MY9 and more recently MY12. MYDATA machines are just not accurate, and we did everything possible, and every kind of upgrade they had. We ended up putting in Fuji XP based machines, and the differences are very notic

and you think youve got it hard

Electronics Forum | Wed Jul 05 11:21:33 EDT 2006 | samir

At my 2nd company, I had a design EE come down, look at his product running down the line, looks at the reflow oven... He scoffs sarcastically...and then says, "What the hells so hard about this...you're just running it through an oven." Process an

and you think youve got it hard

Electronics Forum | Wed Jul 05 11:44:04 EDT 2006 | Rob

We had one mechanical engineer from a certain customer telling us we had to crop components leads so they didn't protrude through the board, as they could then come in contact with the case as the board was flush. Had I have known then what I know

The truth about lead-free and environment

Electronics Forum | Fri Mar 24 15:40:23 EST 2006 | Gilligan

Novemer 13, 2001, minutes from the JG-PP Lead-Free Solder project: http://www.jgpp.com/projects/lead_free_soldering/minutes/01novminutes.pdf It seems to me, that although everything was discussed before hand, it wound up being the "Let's do it and

and you think youve got it hard

Electronics Forum | Wed Jul 05 11:37:38 EDT 2006 | dougs

I my last company i had to battle all the time for tooling to set up jobs, i asked the product engineering manager to include extra panels in the costs for NPI to be used as reflow profiling panels, he told me they had never needed these before and t


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