Electronics Forum | Fri Sep 07 15:17:01 EDT 2001 | seand
Hello Everyone, Speedline Technologies' Electrovert Division does offer a number of batch and in-line systems for your cleaning application. A good contact for you to reach to discuss the details of your application would be Bill Boyde at the facto
Electronics Forum | Tue Sep 11 19:54:52 EDT 2001 | gsparka
HELLO. SMTNETERS there is no company in high mix low volume system in our contry so . what is the best way to calculate the capa. of smt line in high mix low volume. & what is the general way to get the defect rate to evaluate the smt line(or sm
Electronics Forum | Tue Sep 11 21:12:08 EDT 2001 | davef
I am concerned that the increased number of commercial postings on SMTnet is degrading the technical content and diverting valid posters� attention from the proper exchange of information to non-value added ranting and finger pointing. In determinin
Electronics Forum | Thu Sep 13 13:34:55 EDT 2001 | bschreiber
Kevin, Hot DI water will leach ions form stainless steel over time � much like an acid effect on metal. If you have ever seen a Steam Age Chamber after about 6-months use, you will know what I mean. DI water is �hungry� for ions and it will take th
Electronics Forum | Tue Sep 18 13:58:01 EDT 2001 | ert002
50%) only over the appertures where there was poor support. Most prints took 2 knead strokes to print OK, but this caused fine pitch leaded devices to almost short. stencil had to be be wiped after kneading. 2 similar devices with exactly the same
Electronics Forum | Tue Sep 25 14:25:30 EDT 2001 | davef
Points in response are: * Microstencils work fine with paste, although they are a little fussy to use. * Never have used microstencils for flux. * Like Hussman, we dab the uBGA into a puddle of tacky flux and then place it on the board. * On contro
Electronics Forum | Thu Sep 27 10:28:29 EDT 2001 | John S
It seems to depend on your situation. We're an OEM manufacturer and run the same products for extended periods of time. We monitor process indicators such as Dave listed, but we also monitor process defect trends. This is product specific of cours
Electronics Forum | Fri Oct 05 08:35:52 EDT 2001 | Hussman
Hey Steven, Achieving the proper profile like you described does require you to engineer proper conveyor speeds and zone temps. Most conveyorized ovens have the inside of the ovens divided into zones. Each zone has a top and bottom heater that can
Electronics Forum | Tue Oct 09 12:30:26 EDT 2001 | mparker
Cal - even trolls were smart enough to outwit most back in the day. I appreciate your input as well as Dave's. I agree about doing the retest. I just didn't have the right info, just some gut feel that made me question the purported lab results. I h
Electronics Forum | Mon Oct 08 03:42:31 EDT 2001 | Darby
Can't get on to the Heller email or website and I require an urgent answer. Has any one had any experience in reversing the conveyor direction and thus all the zone set ups etc in a Heller 1500w or similar. What did it cost and were you happy with th