Electronics Forum | Mon May 24 06:04:09 EDT 2004 | johnwnz
Nitro, I msuggest you get your oven manual out and start reading!! it depends on yoru machine, the point of injection, how many zzones it's designed to cover (some only inject for reflow) what your inward flow rate is, what yoru exhaust rate is and
Electronics Forum | Wed May 26 07:11:04 EDT 2004 | pjc
Cut the main power (ciruit breaker) while the oven is operating (in low temp recipe) to see if the UPS kicks on, otherwise consult the oven manual's UPS electrical diagram. UPS is to power conveyor drive and PC controller. Also, checking the UPS manu
Electronics Forum | Fri May 21 18:32:53 EDT 2004 | Abe Froman
We have been using nitrogen in our reflow ovens for many years to reduce oxidation on our solder joints. Management is concerned about the high cost of nitrogen and have suggested we use hydrogen instead. I'm not sure if this is a good idea, but we
Electronics Forum | Thu May 27 21:41:44 EDT 2004 | valuepr
Im not an expert at this, but im going to have to agree with blnorman. I wouldn't use Hydrogen, its very explosive. I would look into a considering a new oven to cut back on cost. Yes you will have to put out the money for a new unit, but if it reduc
Electronics Forum | Tue May 25 18:12:14 EDT 2004 | gregp
I can't offer a recommendation but I have a question. Doing the math (4 x 430 parts = 1720 parts, 13 minute load time) I calculate 7938 cph. With mostly 0603 components why can't the Hydra head come closer to the claimed 21,000 cph rate? Am I miss
Electronics Forum | Wed May 26 11:56:56 EDT 2004 | fastek
Enough said? Perhaps. One other question...how committed to SMT equipment is Hitachi? Big company...lots of irons in the fire. Willing to put up with a division with eroding sales (especially in the US)? I suppose Hitachi will continue to use UIC to
Electronics Forum | Sun Jun 13 13:50:19 EDT 2004 | cyber_wolf
Actually, Fuji machine corp. was founded on chip cutting machines.(Metal cutting machines) Fuji incorporated what they knew from this industry in the design of their circuit board assembly machines. I come from a long line of mechanical design engin
Electronics Forum | Wed Nov 03 08:29:33 EST 2004 | Tim Goodman
well to add to your information .you are correct that you will get a cp8 instead of a cp7 and its cheaper.the cp7 range has been replaced by the cp8 because of the y 2 axis control that allows beter pickup of 402 and 0201 components.my moneys on the
Electronics Forum | Sun Apr 03 20:10:06 EDT 2005 | smtuser1234
You better get to know who the third party service companies are because Fuji just does not care about service they rely on their reputation. If you wanted good service you should have gone with Universal. When you compare machines now days all of th
Electronics Forum | Tue May 25 12:59:37 EDT 2004 | gregp
Mils to MM is actaully English to metric. 1 mil is equal to 1 thousandth of an inch (0.001")or 0.0254mm so... 12mil pitch qfp is 0.012" or 0.3mm 15mil pitch qfp is 0.015" or 0.4mm 20mil pitch qfp is 0.020" or 0.5mm (Numbers are rounded)
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