Electronics Forum | Thu Oct 21 12:44:07 EDT 2010 | swag
We issue extra parts like this: 8/2 caps and resis. - 40 over 8/4 caps and resis. - 20 over 8/4 IC's - 7 over 12mm - 7 over larger feeders + stick + matrix = the correct # req'd. These #'s were based on our first SMT lines (used equip.) and we made
Electronics Forum | Mon Mar 07 09:15:03 EST 2011 | remullis
Reese, Thanks for the response. I agree with all of your comments, and actually we have SMT capability now. I also worked previously for a company for 20 years where we done primarily SMT and through the years phased out as much TH as possible, espe
Electronics Forum | Mon Mar 07 16:36:37 EST 2011 | remullis
I have been working on collecting data all day today. We are a OEM so our RMA and QA system is tied together. I have taken this data and broken it down by part type and individual boards. We had 264 (defects/rma returns) of that, 88 were NO Faults. O
Electronics Forum | Thu May 26 11:21:14 EDT 2011 | asksmt
Hello Guru's, I am using IPC-7351 LP Calulator to design Footprint (0603, 0805, 1206, SOT-23, etc) for all SMT Parts. Our Production Recently commented that they have included Red Glue Machine inhouse and will use Wave Soldering for Both Thru-hol
Electronics Forum | Thu Jun 14 06:13:47 EDT 2012 | ccgooi
I am running a product with board size ~18"X16". I faced stencil aperture positional accuracy issue which slightly shifted at both end of stencil at positive and negative in X direction thus causing solder paste to pad mis-registration. Due to this s
Electronics Forum | Mon Aug 27 12:52:07 EDT 2012 | rway
Well, I rarely ever start new threads on this forum, and here I've done it twice in one day. I am very pleased to have a forum such as this to seek help and lean on others experiences in the time of need. Thank you in advance. I've searched extens
Electronics Forum | Tue Sep 18 21:37:06 EDT 2012 | vergara1
Hi Manoel, I want to make sure I understand what you are talking about; reading the reply,along with your replys it almost sounds as if we are not talking about the same thing. In your picture I'm seeing a SMT diode correct? You are talking about th
Electronics Forum | Tue Oct 16 12:49:51 EDT 2012 | ericrr
What have you learned so far via google? I just put SMT placement machine" into google and got http://en.wikipedia.org/wiki/SMT_placement_equipment I am not sure what the bottom picture means (SMD pick-and-place machine (with simulated motion blur
Electronics Forum | Wed Feb 20 15:49:56 EST 2013 | markhoch
Actually, we calculate it BOTH ways, and track each of the two times. TOTAL changeover time starts when the last board of the previous run enters the oven and stops when the first board of the next board enters the oven. (Much the same way you would
Electronics Forum | Thu Dec 26 12:12:55 EST 2013 | igorfo
Dear Friends, I need your help to understand requirements and measurement methods for bow and twist of assembled PCB (PCBA have and SMT and TH components). I already check all posts on the site but didn't found any related to my question answers.
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