Electronics Forum | Fri Mar 07 10:55:51 EST 2008 | slthomas
Not sure if you need help with the calculations or the application, so from the beginning: d=defective parts, p=number of parts, dpm=defects per million parts In a nutshell, d/p=dpm/1000000, so dpm=d/p*1000000 We use dpmo (defects per million op
Electronics Forum | Thu Aug 15 15:44:46 EDT 2002 | dragonslayr
You can't control what you don't measure. You have provided very little detail other than post reflow costs are high. What defects are attributed to problems experienced prior to reflow? Are these random or recurring defects? You will need to put ea
Electronics Forum | Fri Mar 22 12:29:25 EDT 2019 | unisoft
Unisoft ( http://www.unisoft-cim.com / 203-913-0782 ) has software that should help. Here are some links: *** Assembly Cost by Component Span Report for Quoting *** Assembly Cost by Component Span Report for Quoting http://www.unisoft-c
Electronics Forum | Tue Jul 10 08:03:54 EDT 2001 | stefwitt
I wonder if the author meant defect per million ( DPM )report.
Electronics Forum | Sat Sep 14 16:35:47 EDT 2024 | yannick_herzog
Defets per million opportunities: Number of defects per million inspection opportunities. It is best to ask your manufacturer how your machine calculates it. We use the defective parts to calculate the PPM. Kind regards
Electronics Forum | Fri May 23 15:31:46 EDT 2003 | daanterstegge
Hi ChrisX, DPMO = number of defects per million opportunities. PPM (parts per million) is exactly the same, although the terminology is less clear about what it means. SPC(statistical process control) is a methodology based on statistical technique
Electronics Forum | Wed Nov 18 11:03:45 EST 1998 | Scott Lolmaugh
| | | | Does sombbody know what DPM rate a good and reliable SMT assembly line (incl. solder paste print, assembly and feflow soldering) has? | | | | DPM is Defects per million, usually measured on components. We run a process consisting of small to
Electronics Forum | Sat Oct 22 22:10:09 EDT 2011 | unisoft
Hi maybe this will help Rich larue rlarue@unisoft-cim.com ProntoGERBER-CONNECTION ( http://www.unisoft-cim.com/gerber_connection.htm ) imports raw Gerber data and allows the user to add intelligent information to the shapes on the display and c
Electronics Forum | Sun Sep 03 10:05:36 EDT 2017 | unisoft
Hi Unisoft's ProntoGERBER-CONNECTION should help you. ( http://www.unisoft-cim.com/gerber_connection.htm ) -------------- ProntoGERBER-CONNECTION ( http://www.unisoft-cim.com/gerber_connection.htm ) imports raw Gerber data and allows the user to ad
Electronics Forum | Thu Jan 07 12:31:36 EST 2016 | unisoft
> Unisoft ProntoPLACE software ( http://www.unisoft-cim.com/pcbplace.htm ) >> ProntoPLACE programs popular surface mount (SMT) placement, through-hole (THT) insertion and glue dispensing machines. Universal, Fuji, Mydata, Siemens, Panasonic, Assembl
