Electronics Forum | Wed Feb 19 16:26:35 EST 2020 | stephendo
IPC tried to develop a standard to compare machine throughputs. The machine placement times are usually based on very few components with optimum feeder placement and a very large array of placements. Real life boards are rarely like that. Once I wor
Electronics Forum | Thu Feb 20 13:29:22 EST 2020 | rgduval
If you've already run both projects on your machine, then it should be as easy as taking the run-time info out of the machine for the two projects, and adding them up. I'd round up and buffer, but, I always do :) Every PnP machine I've ever worked
Electronics Forum | Wed Feb 19 12:47:15 EST 2020 | emeto
Grandpa, You got it - Identifying the bottleneck operation is the key. The secret is to design a tool can predict accurately where this bottleneck is. In your formula you can use machine process time, PCB transportation time, part trim time, part in
Electronics Forum | Thu Mar 21 16:50:10 EDT 2019 | emeto
Hello, I've done it before in Excel and it is a very simple concept. Inputs are board size, numbers of SMT and TH process sides, number of SMT and TH placements per side, boards per panel and quantity of boards to be produced. Output will be calcul
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 | Wed Sep 27 13:45:35 EDT 2000 | Bill Schreiber
Dear Dreamsniper, A big hidden cost in any cleaning system is the cost of diminished production and rework. I assume you are cleaning the adhesive stencils manually since there is no equipment cost in your formula. Manual cleaning of adhesive sten
Electronics Forum | Mon Mar 13 17:25:54 EDT 2017 | parto
Dear Evtimov, Hi, many thanks for your decent answer. I utterly agree with you that if I would like to have an accurate answer I had to give you more details as you mentioned in your reply.However, I thought that under certain circumstances any prod
Electronics Forum | Tue Apr 13 14:49:15 EDT 2010 | davef
90%) from the sample, and the bake time and temperature specified herein are minimums. To improve test accuracy, or to prevent heat damage, other bake parameters may be AABUS. 2 Applicable Documents IPC-QL-653 Certification of Facilities that Inspect
Electronics Forum | Fri Sep 22 16:21:31 EDT 2006 | patrickbruneel
Figure 1. Human Toxicity Potential, Life-cycle Comparison Tin/lead solder paste is the top formula. SAC is second from the bottom.3 RoHS Report Excludes Comparisons By George A. Riley, contributing editor A European Union (EU) Commission for Envir
Electronics Forum | Sat Jun 05 00:27:54 EDT 1999 | Dean
| | | To you all for comment and summary, | | | | | | The following things I like without endorsing (PCB/PCBA stuff - outside the great women in my life [many] and without [mostly]): | | | | | | 1) A good set of design rules | | | 2) A good set of
