Electronics Forum | Thu Dec 15 07:15:22 EST 2005 | stefwitt
After re-reading your posting, Liza, I�m doing yet another correction to my reply. Are you using the same taping machine for all your components or could you narrow it down to one taping machine? Is it a fully automated taping process or more likely
Electronics Forum | Fri Dec 16 08:16:41 EST 2005 | davef
Heat cycles deplete the pure tin layer. Each solder cycle reduces the tin thickness by ~0.1 micron (4 uin). So, if you start with a thin imm tin coating you'll have problems after multiple heat cycles. Steve Wentz says, "In almost every case I've
Electronics Forum | Thu May 25 19:21:58 EDT 2006 | grantp
Hi, So that's really important to have a specific flux for lead free? We are looking at changing to SN100C after reading this thread and other stuff we have found, so can anyone recommend the best no clean flux for that metal? Do you need differen
Electronics Forum | Thu Jan 12 01:07:34 EST 2006 | pavel_murtishev
Good morning Mark, CAM (Computer Aided Manufacturing) products are designed to solve such tasks. You can try CAM350 for example. CAM350 understands different ASCII exported data from different CAD systems. CAD ASCII export contains all necessary inf
Electronics Forum | Mon Jan 09 07:01:47 EST 2006 | ron
I was wondering if anyone was using this machine to place 0402's and what type of 1st pass yield you were getting. I'm a little leary about the mechanical centering on such small parts. How is the feeder pick up position after it is taught? I have h
Electronics Forum | Tue Jan 10 08:43:10 EST 2006 | jax
There is no set formula. You need to customize this number around your operation. Depending on how you account for: Capital Equipment Costs Utilities Building Costs Overhead services Consumables ( Flux, Paste, Glue, ...... ) Once you get the costs
Electronics Forum | Thu May 11 11:59:15 EDT 2006 | Baer
Harry is correct. Like any process chemical it has to be installed and maintained properly. It is not hard to do but it is important that it be done correctly. After all it is easy to plug in a light but if you do not do it it will not light up. Doe
Electronics Forum | Mon Jan 16 09:15:40 EST 2006 | russ
I can't see why it would be any different, You are melting the balls into reflow to the pad. In my opinion, paste is only useful in this situation to keep the part on the board during placement along with some planarity concerns in some instances.
Electronics Forum | Wed Jan 18 09:06:30 EST 2006 | ronhammer
What I mean by it does not work is after I moved the brackets I have about 4.5 inches from the end of the TWM to the conveyor point. None of our conveyers fit there all our Conveyers have about 6 inches in the front on the conveyer. Is there a differ
Electronics Forum | Fri Jan 27 15:12:48 EST 2006 | GS
From technical point of view: it should not be a problem to mix Pb with Pb Free components soldered with a LF solder process. You have to take care about the max temperature allowed on your Pb components and make sure they can withstand the higher
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