Electronics Forum: spc (Page 23 of 37)

Re: Solder paste SPC analysis

Electronics Forum | Fri Oct 27 09:06:19 EDT 2000 | Dave F

John Ooooo, leave it to me to miss THOSE customers!!! Darn, as you can see from my response, I was thinking ... well let's just leave it at that. YESSS, let's use as much capacity of the heavily loaded part of the shop and not use available capac

Re: World Class: Is it a philisophical question?

Electronics Forum | Mon Oct 09 10:37:25 EDT 2000 | DL

John, I hope your figures or numbers are part of your SPC process. Our management loves this stuff. I think the production line, world class or not would reflect the attitude of the people working on it(keep that between you and me) management does

Re: Automatic Inspection Equipment

Electronics Forum | Mon Jul 17 07:45:31 EDT 2000 | Alex Wong

I think you could look at the phenomena in two dimensions. Many of the sub-contractors in Asia are focus on low price-less demanding products. They hire operators to visually inspect the boards and sometime there is no inspection at all. On one ha

Re: AQL of pcb assemblies

Electronics Forum | Wed Jun 14 20:05:51 EDT 2000 | Raeto Zryd

Hi Jason, Zero defect is the only acceptable quality!! U need to ask yourself how capable is your process and how well is you quality system set up. No point in setting goals unatainable or beeing forced upon by management if the root problems of th

Wavesoldering SPC

Electronics Forum | Thu Feb 01 12:46:19 EST 2001 | cebukid

conveyor speed x dwell time = contact length and =====> inches / seconds x seconds = inches. First run your pump at a constant speed.....THEN,.... try running your glass plate at a very fast speed, and then you'll notice that your lengt

Viscometer - paste or glue measurements

Electronics Forum | Sun May 27 11:12:02 EDT 2001 | davef

Listen, you can figure this-out from your particular situation. Do this: 1 Talk to your operators and determine if they see viscosity changes in your materials. 2 Talk to the people doing viscosity measurements and determine if they see viscosity

Who can recommend a reliable solder volume measurement m/c?

Electronics Forum | Fri Jun 08 05:44:49 EDT 2001 | ianchan

Hi Dave F, thanks for the reply, what I did was evaluate, the ASC International, 3D solder paste VOLUME m/c, thru a local s'pore vendor, and this sales-guy is pulling a rip-off, coz his knowledge of the m/c seems inconsistent. I had sent ASC a emai

Re: Doing away with the ICT guy!

Electronics Forum | Mon Jan 03 11:00:25 EST 2000 | Brian W.

At my last company, we installed in-line testers. They worked very well, but there were some issues to be addressed; 1 - Boards had to be cool enough to go through ICT or we had false failures. 2 - We used no-clean flux...enough said about that. 3

Re: Press for press fit connectors

Electronics Forum | Mon Oct 25 17:06:18 EDT 1999 | William

Mario, If you are looking for a cheap press to do press fit connectors, then you are asking for trouble. Now, and in the long run. ASG out of West Palm Beach makes a very good press. We bought a 5 ton version and are able to press up to about 2500

Re: 1005 using Fuji CP3 CP4-3

Electronics Forum | Thu Jul 29 01:57:49 EDT 1999 | KEVIN SIMPSON

| Dear Forum Members, | | Is their anyone who is familar with 1005 placement using a Fuji CP3 and a CP4-3 to perform at CP642 spec's? I have heard of a number of companies doing this. Are there any tech sheets or other site's that may have this pr


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