Electronics Forum: optimize (Page 61 of 75)

SPC software use with vision check data

Electronics Forum | Wed Mar 05 10:10:27 EST 2003 | msivigny

Hello James, That sounds very interesting. I didn't know a system like this was available. What is a vision check machine? Is it a software monitoring tool that is installed on manufacturers equipment to evaluate the conditions you mentioned? I'd lik

Statistical Prerequisites For Valid Cp / Cpk Calculations

Electronics Forum | Thu Mar 06 12:15:00 EST 2003 | msivigny

Hello Dave, First you must make sure your measurement system is calibrated for accuracy, repeatability and reproducibility. We perform a standard GR&R Study on our CmController system on a regular basis to ensure that the system itself is capable to

Tact Time Estimates

Electronics Forum | Sat Mar 08 02:23:09 EST 2003 | Frank

My two Process Engineers are at odds with each other. One says that the Tact Time is only the actual Pick-n-Place time to build a board, and the other says it needs to include the load/unload time as well as the Fiducial reading time. Example: So

Vibratory Pin Feeders

Electronics Forum | Wed Jun 04 13:55:37 EDT 2003 | mgc

I am not sure if you have already approached Universal with your request. Our platform product team has a long history of integrating bowl/vibratory feeders with the various platform products. Typically, these are custom solutions configured to meet

squeegee blade design

Electronics Forum | Thu Oct 23 08:13:44 EDT 2003 | davef

The SEMA listing [ http://www.smema.org/smema5.pdf ] says: * D CUT SQUEEGEE: A single diamond edge squeegee which is shaped like an upside down house and made of polyurethane. * FOUR-SIDED DIAMOND EDGE SQUEEGEE: A polyurethane 3/8 x 3/8 four sided, f

Recomendations? Fuji CP7 or Univ HSP4797?

Electronics Forum | Wed Mar 30 17:35:18 EST 2005 | Grant

Hi, Yes, it was fun reading this thread again. We initially upgraded our MY9 to a MY12 with line scan camera, but it was still too slow. We considered getting a second MYDATA, but decided to go with some FuJi XP 142, and 242 machines, with a second

Solder balls

Electronics Forum | Thu Jun 24 14:34:13 EDT 2004 | tjensen

There are many factors that can lead to solder balls. Since you have just recently seen this start to occur, it is obvious something has changed in the product or your process. Since we don't have a lot of details about your process, I would sugges

Multi-part reeling for pick and place

Electronics Forum | Fri Jul 16 13:41:24 EDT 2004 | Frank

I agree with everybody here. There are plenty of better options than what you have proposed. Without knowing your equipment brand, or what type of offline software you have, if any, I have a few suggestions. 1) If you don't have any offline softwa

SMT tact time

Electronics Forum | Wed Aug 25 19:35:48 EDT 2004 | russ

This is highly dependent upon your board, vision inspection, part rotation, part type, layout, number of P/Ns per (1 pers or 100 pers) feeder layout, optimization, nozzle changes, etc... all have significant impact on placement speed. I find if you

Lead Free ...

Electronics Forum | Thu Sep 02 10:24:35 EDT 2004 | dj_jago

Greetings from the UK: I have been quite fortunate to lead (no pun intended) our company towards lead free sooner rater than later. One of our customers produces a product which is refurbushed every 6 months or so and sent back into the market. A


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