Electronics Forum: hand (Page 66 of 280)

Re: Selective soldering

Electronics Forum | Fri Oct 09 14:01:24 EDT 1998 | Bob Barr

Charles, I am using an Air-Vac PCBRM12 to selectively solder a 96 pin thru-hole connector onto an otherwise all SMT board. Cost is $8.6K plus about $300 per flow well (nozzle.) Went from a 6 minute cycle to hand solder the connector to 15 seconds o

Re: To bake or not to bake?

Electronics Forum | Mon Sep 28 08:35:15 EDT 1998 | Earl Moon

| I recieved a pack of sensitive IC's that said they needed to be baked befor certain processes. If I need to do rework, do I have to bake prior to single soldering of these IC's. Or can I just place one as needed by hand with out baking? Any info

Re: SMT at home?!

Electronics Forum | Fri Jan 16 23:33:32 EST 1998 | Scott

| Is there any way to implement SMT at home? | I want to assemble a prototype board of mine. | How can I hand-solder a 208-pin 0.5 mm lead | pitch PQFP -- lead-by-lead (the usual way), | or side-by-side (partial heating method)? | Alas, no SMD rework

B.I.C. SMT Process Controls

Electronics Forum | Wed Aug 08 11:52:06 EDT 2001 | Michael Parker

Your reply with the reason for wanting the BIC data finally exposed the root cause of your problem. Good luck with trying to educate your suppliers. I have had copiuos amounts of experience with Asian cultures. First, you gotta know that they have a

Rework using flux pens

Electronics Forum | Tue Jan 08 11:28:30 EST 2002 | mregalia

We use NC flux exclusively for SMT and wave soldering. And it is a fairly old formula from Multicore, though we are currently qualifying a new formula. The automated soldering does not appear to be a problem. It is only the hand soldering that causes

Handheld stencil cleaner

Electronics Forum | Thu Jun 20 15:05:41 EDT 2002 | carln

I saw this system at one of the last APEX Shows. I was not impressed because of the many downsides and potential hazards. Strapping an electrical device on your hand and placing the device into a liquid is kind of like blow-drying your hair in a ba

REFLOW SOLDERING OF THROUGH-HOLE COMPONENTS

Electronics Forum | Mon Jun 24 18:45:06 EDT 2002 | jersbo

I have done experiments on small runs, with a few connectors and have had favorable results, I had apertures (oversized)made for the thru-hole connectors on our SMT stencil and hand inserted the connectors.. A few insufficient solders here and there

Nozzle size

Electronics Forum | Fri Sep 13 13:28:58 EDT 2002 | stepheno

I guess no one at ECD reads this forum. They make a clip-on thermocouple prob. Where I used to work we had 3. At first I thought they were very awkward to set up. But once you practise a bit and get used to the right hand thread tightening screw

Rep Responses in Forum, Possible Guidelines

Electronics Forum | Thu Oct 10 19:27:42 EDT 2002 | kenbliss

I am an OEM �sales type� I think just about everyone on the forum knows that. I do not think it matters who is making postings provided they can offer factual answers, solutions or legitimate suggestions to solve the problem at hand. I personally t

PCB Pad lifted - repair

Electronics Forum | Thu Nov 14 10:03:40 EST 2002 | davef

Doug, Ooooooooo. You're correct Vinny has to be talking about Rogers teflon boards. Vinny, There are many different types of PTFE based products. Generally speaking, PTFE has a melting point of 620degF and withstands solder reflow and HASL proce


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