Electronics Forum: pcb (Page 521 of 937)

PCB Supports

Electronics Forum | Thu Jun 03 09:26:41 EDT 2004 | Kevin J.

We are currently using RED-E-SET tooling on our production floor. They have worked out well beyond everyone's expectations. They are simply the simplest, least complicated tooling option I have yet to see on the market. They setup in seconds and work

Gel Flex Tooling

Electronics Forum | Thu Jun 10 16:06:31 EDT 2004 | Charlie

Guy,s For about the same money, Grid-lok offers a fully automatic system that easily installs onto the printers and P&P. It can be set to your board instantly by pressing one button or triggered by the printer to set for each consecutive PCB. They

Gel Flex Tooling

Electronics Forum | Thu Jun 24 16:23:05 EDT 2004 | buki

I am working on my own tooling that has a gel interface for DS PCB's right now, for a lot less $$, it should work for a P&P and a printer with a little modification. I am hoping to get it early next week and try it out. I'll let you how it turns out.

Component size on double-sided PCB

Electronics Forum | Mon Jun 07 14:47:22 EDT 2004 | Mark

It matters on how you setup your oven profile. I have placed J-leads on both sides with no problems. Also, have come across some fine pitch but wouldnt suggest this too often. Give some examples that he would like to see placed on the bottom side of

Component size on double-sided PCB

Electronics Forum | Mon Jun 07 17:07:42 EDT 2004 | russ

the only components I have had trouble with so far are PLCC68 and larger, Large Coils (2b and 3b size) Heavy crystals. Some BGAs if they are not PBGAs. There was a discussion on this and a formula was given to determine if a part will hang under th

Component size on double-sided PCB

Electronics Forum | Mon Jun 07 21:31:46 EDT 2004 | davef

That's thin board. The test that you ran is the best method for determining the specific answer. Bob Willis says, "Use pad mating to lead wetting area. Some have found the ratio to be as much as 44 grams/sq in." Bob Willis and Phil Zarrow have po

HASL on Pads

Electronics Forum | Mon Jun 14 11:44:23 EDT 2004 | Dreamsniper

I have boards with bad HASL application. First they're not even. Second some pad edges have no HASL and still remains bare copper. What's the maximum and minimum HASL thickness required for a good solderability. My boards are about 6 weeks old, I kno

PCB Storage - WIP

Electronics Forum | Mon Jun 21 07:48:23 EDT 2004 | BobL

Contact Jim Marquis at Kimchuk, Inc. (203) 790-7800. They are marketing a rack and stack product that allows you to store the pc boards flat. It is esd safe and eliminates damage from handling boards. I have been in electronic manufacturing for 20 ye

PCB Storage - WIP

Electronics Forum | Mon Jun 21 13:53:42 EDT 2004 | waveroom

The Fancort flat racks are the most economical. That said, the problems encountered when populated boards are placed into the rack you can't utilize all slots. If populated to the edges you can't use at all. There are somewhat economical racks that a

PCB Cleaning

Electronics Forum | Fri Jul 09 12:18:03 EDT 2004 | Mark

This is a shot in the dark for you. On some of our low running boards (5 pieace). Instead of turning the wash on the operators will use a good ole steam cleaner. We used DI water in this process. The main reason we started using this in the first pla


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