Electronics Forum: cpk (Page 1 of 25)

cpk value

Electronics Forum | Mon Mar 05 00:34:52 EST 2007 | aripa27

Dear all, i want to know what is the highest achieveable CPk value of Panasonic Panasert model NM-2858/NM-2859. Thanks

cpk value

Electronics Forum | Mon Mar 05 11:24:16 EST 2007 | samir

Something the "placement guys" don't tell the customers... Cpk is an easily "massagable" number. You just take some data points and reduce the variation a bit, or even play around with your spec limits, or a combination of the two to get the highes

cpk value

Electronics Forum | Fri Mar 09 15:10:08 EST 2007 | oldsmtdude

Simple question... Not so simple answer. It depends largely on process spec and honesty of the people running the test. Most will jump to throw out the flyers as "special cause". So if you didn't set the spec and didn't witness the run and measu

cpk measurement on fuji equipment

Electronics Forum | Tue Jul 03 09:57:25 EDT 2001 | johnw

Hi guys I am looking for any info on cpk values IE fcp6, fip2,fip3 What are the variables to consider for placement times and part sizes. Cheers

cpk measurement on fuji equipment

Electronics Forum | Tue Jul 17 19:35:38 EDT 2001 | Anonymous

John, You realize the DT-651 machine from Fuji will allow you to do CP and CPk data as well as calibrate your feeders. Something to think about.

cpk measurement on fuji equipment

Electronics Forum | Wed Jul 04 14:59:29 EDT 2001 | johnw

Dave thanks for the info

cpk measurement on fuji equipment

Electronics Forum | Wed Jul 04 12:22:07 EDT 2001 | davef

Several points: * Consider that your Cpk is probably different for both placing large and small components. * Probably your routine placement rate SB the speed you use to monitor the accuracy of your process. * Some people use a calibrated glass test

help how to measure placement cpk

Electronics Forum | Sun Mar 02 17:02:52 EST 2008 | davef

We have talked about Cpk many times here on SMTnet, discussed source of glass slugs for placement assessment, and talked about placement Cpk a few times. Search the fine SMTnet Archives to find those threads to provide you with additional background.

help how to measure placement cpk

Electronics Forum | Fri Feb 29 14:58:35 EST 2008 | ck_the_flip

Here is a useful website that defines Cpk: http://www.itl.nist.gov/div898/handbook/pmc/section1/pmc16.htm For placement equipment, the manufacturers typically give you a glass plate, where the intent is to measure how far off the centroid you are

help how to measure placement cpk

Electronics Forum | Sat Mar 01 12:53:07 EST 2008 | iantech

many thanksthis looks really helpful

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