Electronics Forum | Wed Jul 25 23:35:18 EDT 2001 | mugen
my guys SOP : Round #1 1) take double-side tape, and peel it flat to the PCB. 2) process this PCB only through P&P SMT. 3) confirm the SMD placement Round #2 4) take thin plastic sheet and tape corners flat to the PCB. 5) solder paste print over t
Electronics Forum | Wed Jul 25 23:37:11 EDT 2001 | mugen
my guys SOP : Round #1 1) take double-side tape, and peel it flat to the PCB. 2) process this PCB only through P&P SMT. 3) confirm the SMD placement Round #2 4) take thin plastic sheet and tape corners flat to the PCB. 5) solder paste print over t
Electronics Forum | Mon Apr 26 15:48:04 EDT 2010 | markhoch
Sudhir, This part appears to have a lot of mass, thus it may be very heavy. What type of placement machine are you using? Is the PCB held in a fixed place on the table while the gantry moves in the X and Y? Or does the PCB move in the X and Y while t
Electronics Forum | Tue Aug 07 12:18:37 EDT 2001 | delnosa
Looking at ideas for "best in class" process controls for SMT mfg. ops. Wanting to add improved p-controls at some of our suppliers and I'm looking at what others may or may not recommend. Already looking at the following: Solder Printing X-Y-Z axis
Electronics Forum | Mon Jan 31 01:36:43 EST 2005 | timekey
Dave- Excuse the shameless self promotion but we market a product that does just what you are referring to...measuring Cp and Cpk levels on SMT equipment. If you've ever had the desire or need to gather this data on your in-house SMT equipment pleas
Electronics Forum | Mon Jul 03 22:48:42 EDT 2006 | eyryren
Dear ve7khz We are the manufacturer of SMT accessorial material.stencil clean roll and splice tape.We are can manufacture many style stencil clean roll for kinds of screen printer machine and splice tape special for kinds of placement machine. If yo
Electronics Forum | Sat Mar 03 13:36:40 EST 2007 | grantp
Hi, We are looking for a new SMT report system, you know the ones that let you align and easily solder BGA's and the newer lead-less packages that are small and have leads under the package. We have looked at a few, and some use the removal time t
Electronics Forum | Fri Aug 24 15:06:11 EDT 2007 | stepheniii
What kind of boards are they? Unless they are very simple boards, you won't be able to just replace every TH component with a SM equivalent. The inherent LCR characteristics of the board will change I think the normal way would be not to change the
Electronics Forum | Sun Nov 08 10:41:11 EST 2009 | rao
Excellent Web OEE calculator... For Ideal Cycle time we use to take Programming Cycle Time but in this calculator it seems you have taken Equipment Rated CPH. For a Given Board & the placement locations the rated CPH is not at all attainable because
Electronics Forum | Thu Oct 13 18:00:01 EDT 2011 | spitkis2
>We put paste on the board at SMT to solder them on initially. Then not when they get reworked? When assembling the board, solder paste is applied to the BGA and all other SMT pads since the stencil was fabricated with those openings. If the openin
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