Electronics Forum | Mon May 25 04:51:44 EDT 2009 | microdot
hi, we tried making a profile of a chip ATI 9000 mounted on a toshiba laptops, this is on a small pcb. the picture i have enclosed is used to remove the but when we tried to solder the chip using the same profile..it didnt work. Can anybody suggest
Electronics Forum | Thu Oct 25 10:05:05 EDT 2012 | kz9yyc
Hello all, I am having difficulty with an OmniExcel 10 oven. Zone 5 upper will not hold setpoint = 165C (it typically runs ~10C higher). Here is what I know: 1. The machine is not turning on zone 5 heat when temp is too high. 2. Zone 5 lower is
Electronics Forum | Tue Jul 02 03:40:32 EDT 2013 | eniac
kumar, can you explain why in zones 5, 6 and 7 you use different temperature on upper and lower heaters? Do you use a Nitrogen in your reflow oven?
Electronics Forum | Tue Mar 27 02:57:32 EST 2001 | Ken S.
Have you a reflow oven that has upper and lower heaters? Have you a reflow oven that uses hot air as well as elements to control the transfer of heat to various areas? If yes to these, I would suggest increased air flow or change in direction of
Electronics Forum | Mon Jul 19 19:39:06 EDT 2004 | KEN
I once had a forced convection oven (insert brand here)...and the top 220VAC heater (reflow zone) had shorted to the frame ground, blowing the branch line fuses. THe machine had no idea the heater was out because the lower heater was heating the upp
Electronics Forum | Tue Mar 27 09:06:10 EST 2001 | dblsixes
We have tried to adjust the upper and lower heaters. We have a dillema in this area however. The power supply portion of the assembly has thermal vias in the solder pads underneath larger pads. We have a problem with solder wicking through these h
Electronics Forum | Thu Apr 15 20:41:22 EDT 2004 | Ken
There are ledgitimate reasons for checking furnace calibrations, but let me clarify what that is. 1. TC's are not necessarily calibrted. Not unless you need "absolute" accuracy. TC's operate against a (non-linear) standard +/- a tolerance. Most
Electronics Forum | Thu Feb 19 15:17:52 EST 1998 | Bipin Napal
Available immediately. Call Bipin at 416-385-0855 Make: Electrovert Model: 500 CLV Electrical: 440V, 3Phase, 60HZ Manufacturing Date: Dec 22, 1992, and upgraded in 1994 Physical Size: Length 205.5�, Width 55� Heating Zones : 10 Upper & 10 Lo
Electronics Forum | Wed Jan 16 14:13:42 EST 2008 | wayne123
Well I can't tell you what one is the best, But I can tell you what one we have and that I am not happy with, A.P.E is the company it is made by, we have the "chipmaster". They have several units avialable and from what I can tell they are all about
Electronics Forum | Thu Jun 24 19:14:44 EDT 1999 | Mike Konrad
Very good questions Bob� Given the fact that my company is a manufacturer of batch cleaning equipment, I will speak more in general terms rather than in specific terms. There are several criteria used in the evaluation of batch aqueous cleaning sys
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