Electronics Forum | Sat Dec 14 10:10:04 EST 2002 | davef
This is a good idea. Heck, you could fill the bags with sand, if you wanted. Like anything else in the shop, bean bags require attention and maintenance. If you don't, eventually the seams on the bags loosen / break and you have to do a "clean-u
Electronics Forum | Mon Jan 06 11:05:54 EST 2003 | Randy Villeneuve
I am not sure what parts you are inserting, i.e. radial, axial. The first thing I would do is to make sure the design can be automated. There are design guidelines from Universal and others that are good in determining if the parts can be placed and
Electronics Forum | Mon May 12 23:33:48 EDT 2003 | dehlers
I purchased three On-Site units a while back to feed two reflow ovens and one wave solder machine. The cost for the lot was approx. $160,000, and flow was approx. 7500 CFH. We were quit pleased wqith the performance and the operating cost. However
Electronics Forum | Fri Jan 31 14:06:09 EST 2003 | MA/NY DDave
Hi Wow, I can't imagine this set up. No wonder some of us were coming from opposing directions. My thoughts would be to buy another pot if needed and not go to N2. Do you have a site that we could look at the dynamics of this N2 air knife/ solder
Electronics Forum | Thu Feb 13 10:38:51 EST 2003 | davef
Given that you are bridging front to back, contast the situation with the thiefs used to prevent bridging when wave soldering SOIC. If this is reasonable, the thiefs should be located behind the trailing connector pins. You can prove-out this [and
Electronics Forum | Fri Feb 21 10:31:48 EST 2003 | adlsmt
We dont have the debridging knife. I had one on an old Hollis machine I had once. It was totally worthless. I am setting up the nitrogen today. I will let you know how its goes. We are using a water based no-clean. The nitrogen will probably make a
Electronics Forum | Fri Feb 21 19:54:16 EST 2003 | jersbo
Make sure your epoxy dispenser is repeatable. DO an experiment , inspect every board to verify epoxy is there before the part is placed... Is there an epoxy residue left on the PCB where the parts fall off after wave??? We do the epoxy paste proce
Electronics Forum | Fri Mar 07 03:37:26 EST 2003 | emeto
Hi Ygwie, My experience shows there is not unique answer.Actually it depends on design,printing reflow or wave.It might be top side with lesser cmps.Top side might have fine pitch or BGA or CSP,LLGA ....,so you have better planarity when the PCB is b
Electronics Forum | Wed Mar 05 13:12:33 EST 2003 | msivigny
Hello davide, the biggest advantage you'll find with a complete N2 tunnel is the minimization of oxidation during board preheating. Using only an inerted solder pot allows the oxidation to build up throughout the preheat stages and introduces contami
Electronics Forum | Wed Mar 05 16:58:40 EST 2003 | msivigny
Hello Kris, No, it's not necessary to have a nitrogen tunnel setup. A nitrogen tunnel allows a process to go the extra step in providing higher quality through less defects. I can't really speculate on it's use in contract manufacturers mainly becaus
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