Electronics Forum | Mon Nov 06 17:36:39 EST 2006 | russ
G, it is called, "I just went to a sales seminar on pbfree" Show them your profile and call them to the table. Make them tell you specifically what is wrong with your profiles. and even better yet make them explain to you why the extra zones are
Electronics Forum | Mon Nov 06 19:15:57 EST 2006 | Jerry Butters
The "marketing geniuses" of the world are now touting lead free ovens, lead free irons, and even lead free smocks, heel straps, and even G-Strings! Bottom line is - ya just gotta get it hotter, stupid! There's nothing "RoHS" about equipment besides
Electronics Forum | Fri May 14 15:03:19 EDT 1999 | lima
| | Does anyone know of any industry guidelines for the exhausting of volatiles in reflow ovens? I've seen some numbers like 1,000ppm for the oven atmosphere, but is this typical? | | | | My concern is the volatiles in my WS629 solder paste may be
Electronics Forum | Fri Nov 10 17:00:05 EST 2006 | darby
Yep. If speed is not an issue a Heller 1500 will pretty well do you fine unless you are trying to process a brick. A Heller 1700 will not give you any more heated length, so don't get sucked in to that one. However, they are a little more fun to pl
Electronics Forum | Wed Jan 05 16:21:17 EST 2000 | g cronin
hi glenn i have had nothing but good experiences with Heller. As far as i have seen they have very even heat characteristics, great profiling and overall low maintenance. I am very happy with heller and they are my oven of choice right now.. greg
Electronics Forum | Wed Jan 05 17:56:26 EST 2000 | Dave F
Glenn: Greg's comments about Heller ovens are well taken. Heller sells more ovens than anyone. Beyond his and others general comments, you should be aware of concerns about buying used equipment. Suggestions are: 1 Check the temperatures of conc
Electronics Forum | Wed Jan 05 14:21:27 EST 2000 | Glenn Burson
I have the opportunity to pick up a used 1998 Heller 1900WN reflow. I have no experience working with Heller reflows, nor have I heard much about them, so I don't know if they are good quality machines or not. I have concerns about issues such as z
Electronics Forum | Wed Dec 02 09:28:24 EST 1998 | Dave F
| Hi, | I'm looking for a small batch convection oven that will replace the dryer section of a batch ultrasonic cleaning machine to dry off excessive water from washed PCB's, | any suggestions for particular suppliers, will be appreciated. | Jack |
Electronics Forum | Fri May 26 09:52:46 EDT 2006 | samir
Dave, For lead free, I've always left the ramp part the same and just spike higher in the reflow zone. I've also slowed things down a bit (5" per sec. slower)....without using prediction software, try, say... Z4 200 & Z5 260.