Electronics Forum | Tue May 02 05:59:28 EDT 2006 | davef
We agree with Ken's points about off contact / screen versus stencil, but this DHolt is talking stencil [regardless of what is typed about screens]. Comments are: * On "smears under the stencil": smearing happens. It makes us wonder about the frequ
Electronics Forum | Wed May 24 08:02:09 EDT 2006 | geb
Hi, Can anyone recommend a leadfree recipe for a BTU VIP98 i.e. which temperatures for which zones & belt speed? I appreciate that there will be a difference from one oven to another, along with different board sizes, but would like a good starting
Electronics Forum | Fri May 26 03:58:07 EDT 2006 | dave
Hi, We have a 5 zone oven and we use a RTS Profile. Our last zone is the zone that the reflow takes place. some basic analysis is as follows: TAL 70 secs, peak temp 210,ramp rate seems fine. A typical setting is : Z1 140 Z2 160 Z3 160 Z4 185 Z5 220
Electronics Forum | Sat May 27 17:21:43 EDT 2006 | smt_guru
Efren, Allow me to make some recommendations. This is my firm's bread and butter, so to speak. Helping startups like yourself achieve their budget objectives, but in the process being innovative and thinking outside of the box. Here are my sugges
Electronics Forum | Wed Jun 14 18:07:11 EDT 2006 | grantp
Hi, Thanks for all the help guys, and we did a bunch of things to get it working. We raised the pump speed, and also went to a water based flux, which helped a lot. We also reduce pre heat as we were burning off the flux. It's doing really nice jo
Electronics Forum | Tue Jun 20 14:58:22 EDT 2006 | smt_guru
Allow me to make some recommendations. This is my firm's bread and butter, so to speak. Helping startups like yourself achieve their budget objectives, but in the process being innovative and thinking outside of the box. Here are my suggestions----
Electronics Forum | Mon Jul 03 03:15:35 EDT 2006 | bvdb
Thanks in part to help from the good people in this forum we've got our 1989 Fuji IP-1 working really great! We can run for hours without missing a beat (except to replace empty reels). Although I'm careful to lubricate as per the instructions the
Electronics Forum | Tue Jul 04 08:49:32 EDT 2006 | Piet Brandsma
Dear all, I am one of the founders of a small company doing electronics design + embedded software. Currently our prototypes are using increasingly complex smd components. When we started we mostly used atmel cpus, but now we are starting to use fpg
Electronics Forum | Tue Jul 04 10:48:08 EDT 2006 | Rob
Hi Piet, We looked into this too at some length (we do a lot of FPGA and 16 & 32 bit micro designs) and every semi auto machine we checked out was to be fair, crap. Especially on the number & type of devices you could sucessfully handle, set up & a
Electronics Forum | Wed Jul 19 09:21:54 EDT 2006 | Chunks
That's like asking who's Mom is the best Mom. Your main goal in choosing a screen printer is based on several things: Size for your boards. Speed of your line. Board layout in ref to edge clearance / use of breakaways. Post inspection 2D/3D of paste
