Electronics Forum | Mon Dec 22 15:41:27 EST 2014 | benreben
why all people speak only the temperatur? the speed convoyor is very important too... with lesser zone of reflow you can lower the convoyor speed... but if i must speak about temperature and zone i think the minimum for solder all board in ROHS is 5
Electronics Forum | Thu Dec 11 09:27:16 EST 2014 | sreejhu
ALso, coming to the convection the DIMA service group said : "Its full convection in the top zones. The bottom zones are heating elements mounted underneath a thick aluminium plate. So not full IR, but the head is coming from the heated aluminium p
Electronics Forum | Thu Dec 11 13:49:48 EST 2014 | emeto
If you have a chance ask them to bring in one of your products(take board, stencil and some heavy part on the PCB that will absorb a lot of heat). They should be able to screen(even manually) it for you, hand place the part and send it through the ov
Electronics Forum | Mon Dec 22 18:20:22 EST 2014 | sreejhu
Hello, Also I wanted to tell you. I decided to go with a brand new machine. Please tell me which is the best machine for mid Volume. Samsung, heller, Dima, essemtec, acto USA, C.I.F Which company do you suggest me.. The best. My duties: We have boa
Electronics Forum | Thu Dec 11 08:22:26 EST 2014 | emeto
The longer the oven, the better. You will have much more capabilities in creating the precise profiles the way you want them(with10-12 zone oven). I have worked with ovens from 2 to 12 zones and the difference is huge. In my opinion try to get a 10zo
Electronics Forum | Thu Dec 11 09:15:06 EST 2014 | sreejhu
Hello Sir, Thanks for your reply. i just got a mail from the DIMA service group and they said the Oven setting is as follows: Max temp settings in each zone (Which is not the temperature on your product, but close to where the air flow comes out of
Electronics Forum | Tue Dec 23 10:31:46 EST 2014 | jimpat
Sounds like your volumes are pretty low. Pick and Place is the bottleneck in the assembly line. Consider an oven that can keep up with the throughput of your P&P. "The best" is determined on individual cases for a specific application and enviro
Electronics Forum | Wed Jan 28 21:47:56 EST 2009 | padawanlinuxero
Hello! I am having trouble with the new changes from lead joint to lead free joint, we are working on change to lead free, I am using a 3 zone oven reflow, the zone temps are : zone 1 zone 2 zone 3 (top and bottom) 128 208 260 th
Electronics Forum | Fri Jan 30 06:28:42 EST 2009 | gregoryyork
Hi Armando Hotflow 7 is a big machine and one of the best Reflow ovens around (in my opinion), well suited for Lead Free. A typical 1.6mm board has the following settings for Lead Free SAC305 paste All Temperature settings are Top and Bottom Prehea
Electronics Forum | Fri Feb 17 09:02:21 EST 2006 | russ
proper pad geometries, accurate placement, and good reflow profile. Are you having problems right now?
