Electronics Forum: 2006 (Page 446 of 649)

DPAK pad layout

Electronics Forum | Mon Nov 20 20:38:21 EST 2006 | davef

�IPC-7351 LP Wizard� is the library maintenance tool that is revolutionizing the way designers work. The IPC-7351 LP family tools can give you access to options that will allow you to quickly and easily browse your PCB land pattern library to locate,

SnPbAg solder paste at reflow oven

Electronics Forum | Mon Nov 20 21:55:21 EST 2006 | brodalvin

Does SnPbAg solder paste have a reliability risk if subjected 2 times in reflow oven at 230�C? I want to implement my project immediately. If samples will be subjected to our reliability it would take three months before I can implement my project.

Heller vs. Vitronics

Electronics Forum | Tue Nov 21 11:16:48 EST 2006 | Mk

I am having issues with parts falling off a double sided board in the Vitronics but not in Heller oven. The oven profiles are as close to each other as I can get them. Does the Vitronics have more air flow? The Heller is an older oven and the chain d

Heller vs. Vitronics

Electronics Forum | Tue Nov 21 11:59:43 EST 2006 | billwestiet

These machines are very different. It falls under "there are no two machines alike" category. When you say the same profile, do you mean the same setpoints, or the same actual board profile that you get from running a profiler with TC's on the boar

Chinese Wave Solder Machines

Electronics Forum | Tue Nov 21 12:22:26 EST 2006 | billwestiet

I work for a company importing Wave Solder Machines from China, and I continue to be amazed at how many new importers I run into. Many of which have not sold more than one or two machines. I'm looking to try to come up with a list. Who do you know

Chinese Wave Solder Machines

Electronics Forum | Tue Nov 21 19:07:36 EST 2006 | greg york

Serious question here, why do all the Lead Free Chinese Wave Soldering machines I have seen come in set at 5 Degrees angle - It doesn't work and bridges all over the place until th eangle is changeds. Are you guys finding this? Thanks Greg York

Chinese Wave Solder Machines

Electronics Forum | Tue Nov 28 10:26:46 EST 2006 | russ

interesting Bill, will keep an eye out. Was not necessarily saying anything about Chinese product, just the engineering, I have seen a few Chinese "Vitronics" ovens and yes they seemed to be put together very well, I was only mentioning how it/the

Chinese Wave Solder Machines

Electronics Forum | Tue Nov 28 10:31:04 EST 2006 | billwestiet

I do need to agree with you. There are definetly clones out there. Som look identical on the outside. And there could be serious concerns about support. One bad hard drive can turn a machine into scrap if you can not get s/w or support. People n

Chinese Wave Solder Machines

Electronics Forum | Tue Nov 28 16:05:29 EST 2006 | Steve

Well said. From my experience, the Chinese would ship out of spec. product knowing full well it does not meet the requirement. If we catch it, good for us . . . otherwise we are #@%$%#. The Japanese (and others) on the other hand would rather pull

Paste Batch Control

Electronics Forum | Fri Nov 24 06:59:54 EST 2006 | LM

I remember many moons ago seeing a refridgerator for storing solder paste which issued them out in a FIFO manner and had the option of a PC and bar code scanner for logging them in and out to the lines. I can't seem to find any trace of it on the net


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