Electronics Forum: benchtop and reflow and oven (Page 2 of 15)

Time and temp in lead and lead-free reflow

Electronics Forum | Mon Jul 28 11:31:42 EDT 2008 | blnorman

Ideal situation is get a technical rep from the solder paste supplier. They know their paste better, and should be able to work out a profile based on their paste and your oven. Again, a technical rep, not the sales guy.

Time and temp in lead and lead-free reflow

Electronics Forum | Mon Jul 28 16:48:54 EDT 2008 | pcbbuilders

my oven has a built in profiler, it works fairly well, but it can not predict changes. my main concern was about the time right before reflow. i know that's where the flux is activated and i was worried that i may be spending too much time at the tem

Time and temp in lead and lead-free reflow

Electronics Forum | Mon Aug 04 09:30:16 EDT 2008 | grics

If you have concerns, you can look at the datasheet for each component or contact one of their application or materials engineers and find out what the components are rated for...process-wise. IE, how long can I be in the oven with this part, at what

Time and temp in lead and lead-free reflow

Electronics Forum | Fri Jul 25 15:54:22 EDT 2008 | pcbbuilders

I am trying to optimize my reflow profile. i have a 5 zone oven. lead-free: for the 1st 3 zones, i am good, at about 150-200 deg for 150 seconds. during the 4th zone, i am at a temp of 200-220 for 50 seconds. during the 5th zone, i am at 220-245 f

Nitrogen use in reflow and wave

Electronics Forum | Thu Apr 18 23:56:27 EDT 2002 | Abelardo Rodriguez

I'm trying to get a better understanding of the cooking process of pcb's. The use of nitrogen in reflow and wave ovens. Seems to have a wide margin of acceptance as a standard gas to prevent oxidation of metals in the board. Has any one heard or us

cost analysis: Manual vs. Auto insertion pick and place

Electronics Forum | Fri Aug 04 13:47:20 EDT 2006 | pemea1

apples to apples. 20 boards 80 parts top and 10 parts bottom. these boards are done on a semi regular basis (you know the boards are coming to you from an OEM at least three times a month, just no exact schedule). All that is required is pasting..mo

Lead-free and Leaded solder in the same reflow

Electronics Forum | Tue Jan 31 12:13:26 EST 2006 | Calvin Kolokoy

Today's regular Sn-Pb paste chemistries are designed to run at higher peak temperatures ensuring that your lead-free alloys will coalesce with your regular Sn-Pb solder. That being said, it is do-able to solder both types in one oven. Generally, wit

High-end SPI and AOI?

Electronics Forum | Tue Jan 12 15:54:09 EST 2010 | chupitoone

Hi, Orbotech actually sold it's division to ORPRO Vision. They development of the equipment is still progressing in both their Reflow inspection and SPI systems. Both have newer versions of software released and at the show in SanDiego they demonstr

small and good pick and place machine

Electronics Forum | Thu Sep 05 23:18:03 EDT 2013 | feiyangniao

There is a new toy I received today: a NeoDen TM-240A automatic desktop pick and place machine! I’ve kept my eyes on this baby for a quite a while, and finally decided to make a purchase last week. The shipping was very fast: DHL from China, a total

Board Stacking and Conveying

Electronics Forum | Mon Mar 26 09:41:03 EDT 2018 | fuji_user_2014

Hi Gurus, Looking for alternatives to line makeup after reflow oven. Currently, I have a continuous on flat belt conveying out of my reflow oven straight to an EOL bench. The operator manually picks up the board off the belt (there is a roller at t


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