Electronics Forum | Wed Feb 09 14:48:30 EST 2005 | tinkergaloot
can anyone provide me with information on the operation of the Zevatech Print-MAT 220? Its a pretty basic machine, but my question relates directly to the squeegee blade setup and leveling the blades to the stencil. If you level the blades together
Electronics Forum | Thu Jun 13 02:20:43 EDT 2013 | mun4o
put the silk screen mask between pads.Add drain pads after TO220.
Electronics Forum | Thu Aug 25 09:56:08 EDT 2005 | james
I ran a profile on a dummy board with no parts and the peak temp is 220. The 220 is just the temperature of the board of course. With that BGA on it, I am pretty sure it sucks up alot of the heat. Also I am looking at the profile and notice that i
Electronics Forum | Tue May 02 07:56:58 EDT 2006 | billyd
Yeah, that's what I'm doing now. I have it now peaking around 235, with about 70 sec. above 220C. (220C is the reflow temp, according to manufacturer. I've always used 217C for Pb free) Wish me luck. Thanks!
Electronics Forum | Mon Sep 10 15:49:28 EDT 2007 | mun4o
Hi, the solder on the pad is not molt.Temperature of the leads is about 220*C( I change this T from 214 to 232) but result is same - solder is granular and not diffuse.I think the T on leads is not enough high,bu I can't increase because the max T on
Electronics Forum | Mon Mar 24 10:02:44 EST 2003 | ksfacinelli
I have a board that has a few TO220 packages with the 5 lead style. The problem I am encountering is forming the the leads. The TO220 package needs a 90 degree bend with pins 2 and 4 staggered. I am "not" doing thousands but would like to find a co
Electronics Forum | Tue Oct 26 13:45:19 EDT 2004 | vinod
Hi friends I am using Alpha Metal WS709 solder paste. I know the spec for this solder paste. It recommends straight ramp to 220 C at 0.9 degree/sec and TAL 75 sec.So I am looking between around 27-220 temp around 215 second. And time above 183 not to
Electronics Forum | Tue Oct 26 13:45:23 EDT 2004 | vinod
Hi friends I am using Alpha Metal WS709 solder paste. I know the spec for this solder paste. It recommends straight ramp to 220 C at 0.9 degree/sec and TAL 75 sec.So I am looking between around 27-220 temp around 215 second. And time above 183 not to
Electronics Forum | Mon Mar 24 17:26:39 EST 2003 | pjc
try http://www.electro-prep.com
Electronics Forum | Mon Mar 24 19:08:51 EST 2003 | rdr
You could always make your own manual bender with shim stock etc...
