Electronics Forum: thread (Page 1806 of 7890)

Splicing SMT tape & reel

Electronics Forum | Thu Mar 04 08:48:31 EST 2004 | Erv

We tried splicing and found numerous problems with jamming. To make a long story short, as a rule we just don't do it. There are exceptions such as; we are short a part and need to use several very short pieces of tape and reel parts.

Stencil printing for 15.7 mil qfp's

Electronics Forum | Tue Mar 02 11:45:30 EST 2004 | jpa

I will be purchasing a printer for our company. I'm considering a used printer with 2d post inspection. Is it worth putting money into the vision inspection or would we be better off buying a separate automatic optical inspection machine downline?

Thermal Relief

Electronics Forum | Wed Mar 03 05:07:06 EST 2004 | Javi

Hello, I would like to design the thermal reliefs/pads of my through-hole components. I would appreciate any info, doc or link about how design them (dimensions, slit width, circular or square, etc). Thanks a lot and best regards, Javi

Stencil printer

Electronics Forum | Wed Mar 03 07:08:44 EST 2004 | jpa

Does anyone have an opinion, good or bad, regarding the mpm ap24x? I've only ever done manual printing and have little clue about automated printers. I'm pretty new to this whole arena and any suggestions would be much appreciated.

Stencil printer

Electronics Forum | Wed Mar 03 07:26:16 EST 2004 | pjc

AP24X is old model. Some parts are getting hard to come by. Check if the vision system is Cognex 2000 or 5000 and what the computer is. It may have been upgraded. Otherwise, its a good printer.

Jumper Wire Assembly Aids

Electronics Forum | Thu Mar 04 10:20:30 EST 2004 | Ken

If an OEM and room is available on the PCB....have pin location aids silk screened on the boards. Groups of 10 are typical. might look like 1.........10.........20.........30 continue this around the device. Otherwise, ???

Wave Chain Cleaning

Electronics Forum | Thu Mar 04 19:03:48 EST 2004 | pdeuel

Have you been re lubing chain after cleaning. Is the chain worn thru from friction on rails. How are carbonized particles removed from inside links after cleaning. What is recomended method for cleaning.

Freshman in SMT industry needing advice

Electronics Forum | Fri Mar 05 06:27:11 EST 2004 | cyber_wolf

That hand held cleaner is 10K+. I have used one before. It works OK on paste, but doesn't do a thing for epoxy. 10 grand buys a lot of wipes and elbow grease.

Freshman in SMT industry needing advice

Electronics Forum | Fri Mar 05 06:59:31 EST 2004 | t_white

We use a SAWA to clean our stencils and it performs quite well on solder paste but not so great with epoxy. Operators find the machine very easy to use and like mentioned before it takes up minimal space and has a lower intial and operating cost.

Freshman in SMT industry needing advice

Electronics Forum | Mon Mar 08 08:28:32 EST 2004 | pjc

New Stencil Cleaning machine on the scene. Saw it at APEX 04, manufactured in West Viginia. http://www.pressureproducts.com/SPPC_Hm.htm


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