Electronics Forum: being and ovens (Page 1 of 76)

Re: convection batch ovens

Electronics Forum | Fri Dec 04 17:17:18 EST 1998 | EFData

We have a Heller 942 that is completely operational but not being used; we would be happy to entertain any offers if this did, in fact, meet your requirements. Hi, I'm looking for a small batch convection oven that will replace the dryer section

BGA Rework - Pads being lifted

Electronics Forum | Mon Apr 06 11:53:50 EDT 2009 | ed_faranda

Here are some pictures of the part. I created a profile for this part. I've been in touch with the vendor and he seems to think the profile is too hot. I am waiting for another board from R&D so I can work on it again. If you look at the picture,

Exhausting of flux in reflow ovens

Electronics Forum | Thu May 13 20:38:32 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 attacking th

Re: Exhausting of flux in reflow ovens

Electronics Forum | Fri May 14 00:16:28 EDT 1999 | Mike D.

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 attack

Re: Exhausting of flux in reflow ovens

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

RoHS reflow ovens need more zones????

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

Parts being blown out of place during reflow

Electronics Forum | Fri Sep 16 14:12:23 EDT 2011 | jtownsend

Anyone have experience or advice to help prevent SMT reed switches from being blow out of position during re-flow? We are using a Heller 1707 MK 3. Is it possible to adjust air flow in the oven or do we need to glue before placement??

Parts being blown out of place during reflow

Electronics Forum | Fri Sep 16 19:46:55 EDT 2011 | jlawson

I have seen this on Heller1707 machines also for LED devices. The same job was run on anthoer brand oven (Rehm) and no issue. I think Heller Blower velocity can be a little on higher side as is a low inertia heating system and they have to make up f

Flux Designations and Composition

Electronics Forum | Mon Jul 12 11:35:27 EDT 2004 | Pierre RICHARD

Here are some answers to my questions after a good research. I also added more definitions that could help understand this esoteric language used in assembly, specially surrounding fluxes and their use. In blue italics are comments and extracts from

Re: Buying stenciling and pick and place equipement.

Electronics Forum | Mon Dec 20 17:30:30 EST 1999 | g cronin

bill is right about finding a reputable dealer, i do have a horror story about buying a machine that was not what it was sold to be. But there are some good ones out there.. if you do have interest in a machine feel free to ask the forum our opinion

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