Electronics Forum | Wed Mar 06 12:14:34 EST 2002 | caldon
We would benchmark our times with the most experienced operator and them boost the time by 1/3. Example: If it takes Mary 3sec to insert the component, 3 secs to clinch and cut the leads (it is not advised to cut the leads after soldering), and 8 sec
Electronics Forum | Thu Mar 28 14:00:47 EST 2002 | dougt
It seems to me that a majority of the people buying machines are looking for a low quantity / high volume machine. I would think that after the push for "Just in time" and "Conbon" and all the other fancy phrases companies aren't buying one machine
Electronics Forum | Tue Apr 02 22:58:10 EST 2002 | davef
Whatever I've said, my intent has never been to insult you. Smack you yes, insult you no. True, you never said the word �strings� but you did say � * �� shouldn't I be able to expect enough green strength from my epoxy to hold 0603 caps in place wi
Electronics Forum | Tue Apr 09 08:49:43 EDT 2002 | davef
Hey Bud. Allow me to 'turn' your point about 'grain structure' just a bit. Fast cooling rates / coarse grain structures was a bit of red herring in the early 80's. Faster cooling DOES produce finer grained solder connections. Accelerated testing of
Electronics Forum | Mon Apr 15 18:56:56 EDT 2002 | davef
Hesitating after your shout-out for �DI water rinse experts�, Q1: �What is the FIX industrial standard?� A1: Never heard of �the FIX industrial standard�. There is no standard in the US electronic industry. The issue: * Is NOT the cleanliness of
Electronics Forum | Thu Apr 11 19:06:59 EDT 2002 | tmarc
We are using 1mm pitch BGAs with a great quantity of via(s) under the component. Very shortly we will be placing CSPs with .65mm pitch. Our via(s) are solder masked, however we generally have a percentage of them that the masking is thin enough that
Electronics Forum | Sun Apr 28 07:34:34 EDT 2002 | hany_khoga
Dear Tom : I hope I �m not too late. We produce PC motherboards with some buses exceeding the speed of 100MHz . we use no clean flux and it is OK even with the residues you can see under a microscope. But according to our own experience through a mo
Electronics Forum | Mon Apr 29 10:42:47 EDT 2002 | Jim M.
I had problems with white residues on both WS609 and WS 3060.The WS 3060 turned out to be a carbonized material.The composition after analysis (Energy Dispersive X-ray spectrum) turned out to be tin,tin,phosphore and cloline and tin. Alpha also have
Electronics Forum | Wed May 08 09:49:17 EDT 2002 | Hussman69
Hello, We are experiencing a little problem of cutting feeder tape. When ever we place two or more 24 mm feeders together, the cutter on the machine will partialy cut the adjoining tape, or pull it out of sequence. The machine is a Panasonic MSR,
Electronics Forum | Wed May 22 22:59:04 EDT 2002 | alex_kirichenko
Hello!!! Just to say, I've never even heard about placing parts on double-sided tape for inspection... We always build one board placing parts on paste/glue and inspect it befor reflow. With suppliers specs of 6hours at least, I don't see any prob
