Cpk - Capability Statistics explained
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- Опубликовано: 11 мар 2018
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Well done Paul Allen for explaining the ‘Why’ of Capability and Cp and Cpk so clearly.
Hands down the best, most concise video I've seen on the subject. Fantastic!!
Hawker - thanks for your positive comment remember if you want a subject covered drop me a line or if you want to know more buy my book 'drink tea and read the paper' on LULU.COM
Paul, I take my hat off to you. I went through the AIAG's core tools overview course, was left with many questions and your videos came to rescue. They should definitely put your videos up there.
Anirudh - many thanks for the positive comments, if you want me to cover something specific drop me a line and i'll record a new video...
Stellar video mate! keep up the good work lad wheyyy
Really good mate. Was using someone's training programme for this but resorted to RUclips and found you - far better understanding of it now!
Thanks for the positive feedback.....you can get my book, 'drink tea and read the paper' from LULU.COM....you'll find it contains all the info in the video's...
Things goes easy when you explain it. I'm sure your channel will grow cause you always clarify things in a simplest way.
Sky - many thanks for your support...
Great explanation. Thank you
Paul, I take my hat off to you too, what a nice explanation!
Gustavo - thanks for the positive comments, if you like the style of the video's. My book 'drink tea and read the paper' from LULU.COM would be a good read...
A very clear explanation - thanks!
Thanks Jayjay - If you like the clarity of the video's you should try my book - Drink tea and read the paper you can get it direct from LULU.COM...
Great video. Paul made it very easy to understand. Way of explanation is nice.
Hemany - thanks for your positive comments, if you want anything covered in a video drop me a line or if you want to know more buy my book 'drink tea and read the paper' from LULU.COM
I have recently purchased your book Drink Tea and Read the Paper and can't wait for it to arrive and great job as always!@!
Brandon - thanks for your support!
thanks Paul, it was really great
No Problem Shervin
absolutely amazing. subbed!!
John - thanks for the positive comments. If you like the video's try my book 'drink tea and read the paper' you can get it from LULU.COM. Contains all the stuff from the video's...
Very nicely explained :) thanks a lot!
thanks for the positive comment. If you ever want a subject covering drop me a line. Otherwise look up my book 'drink tea and read the paper' on LULU.COM
Good explanations...thanks!
Keena - Many thanks for your positive comments...
I'm very much looking forward to read your book about the small batch cp studies!
Sascha - many thanks for your support..
Thx for great explanation
Narin - thanks for the positive comment. If you ever want a subject covering drop me a line. Otherwise look up my book 'drink tea and read the paper' on LULU.COM
This is guy is so good. 👍
Cheers gabriel...
Great!,
Great vidéo thanks
You're welcome...
Mr. Paul, This is one of my favorite lecture so far, it was the pathway to underrating many other things! Can you please provide a trusted link to Cpk-Sigma Limits Conversion Table! to help me find out my sigma results!
Simply multiply the cpk result by 3...
Thank you
Amad - you're welcome...
Gonna grab the book. Thanks
Many thanks for your support Francois...
@@paulallen5321 Np , I'm in Mechanical Design and have found the more I understand about process capability, the better my interactions are with supplier and quality team ! Excited to deep dive a little more.
Thanks, you are a great practical teaxher.
Could be great if you give examples for your sesions ?
Many thanks for your comment GA...
Hi Paul.
Great video. Can you tell me how to calculate combined Cp and Cpk for multiple critical dimensions?
Sanchan - thanks for your positive comment remember if you a subject covered drop me a line or if you want to know more buy my book 'drink tea and read the paper' on LULU.COM
Would be very nice to have a linear tolerance stack-up with a 6 sigma cpk calculated with Excel as wverybody has it. Nice video
Hi Waka - that's a bit more complicated than it sounds as it really should involve a monte carlo simulation to make sure you don't over tolerance your product....I do have the software to that, but you might not...
Hi Paul
What software do you use for calculations and plotting of curves
Good to hear from Rupert - I use SPC XL from WWW.Sigmazone.com. you can get a 10 day trial to take a good look at it...much better tool than minitab for day to day engineering...
While creating your control chart for the first time? What's a reasonable sample size you can use and what would be the justification for that sample size? In other words, how many data points do I need and how do tell that this is enough? Is it subjective?
Michael - good to hear from you. 40 data points hands off the machine (no adjustments) 40 is a statistical sample size, you could calculate it but it would land around 40 anyway...this will be the best data you've ever collected...
Hi Paul, can you make video regarding the power and sample size ?
Here's your video - ruclips.net/video/6D79wUenpH4/видео.html
I am learning for green belt exam. Which one of your books do you suggest?
Dpktr - good to hear from you. Drink tea and read the paper covers my entire GB material.
Hi Paul. My tutor has only given me one batch of measurements with a total frequency of 100. He wants me to perform an SPC analysis on the first task and perform a Process Capability study. It really confuses me because I only have one set of data and I've seen alot of people draw distribution curves for SPC analysis. Does that mean that I have to draw two sets of Cp/Cpk graphs. Also... with only one batch of information how do I know where to move the distribution curve over too in order to calculate Cpk?
Joseph - good to hear from you. Do you have any software to do the SPC work? Or are you supposed do the calcs by hand
@@paulallen5321Hi. Thank You for replying. I'm supposed to do it by hand.
Fair play to your lecturer, he's making you do it thoroughly. In that case, job one is to plot the 100 points on a run chart. As part of that exercise. Work out the moving range. In other words take away data point 2 from data point 1 and then 3 from 2, 4 from 3 etc and plot that data on a run chart..
@@paulallen5321 thank you. Are the data points the separate individual samples (measurements)?
Joseph - yes that is correct. Please drop me a line on paul.allen@allenp.co.uk you can send me your data as well
Hi Paul I have to conduct a DOE for 5 factors with various level pls help me out...
Saurabh - good to hear from you, please drop me a line on paul.allen@allenp.co.uk. Tell me what the input variables are and what the outputs are...
Hey
What if your Cp is 0,75. What do you do?
It's me - good to hear from you, 0.75 is a problem. But you have to identify all the inputs to your process and control each one as well as you can. If you do that the Cp will improve...
@@paulallen5321 I appreciate the answer. Does this mean that the machine is unable to produce details within tolerance? Or is it correctable?
Potentially it is correctable yes...
@@Itsme-vd3dx❤
But if you want accurate standard deviations, you need more data...
Hi Keyu - how much more data?
You are AMAZING!!!!!! i have watched several videos to help me gain a better understanding. This one NAILED it 100%. Thanks a million!!
Uzoamaka - Cheers, glad you liked it. If you think you'd like to support the making of these free video's take look at my donation page.
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Many thanks...
Thank you paul. The simple visuals and explanations really drive the key points across.
Uwtek - Thanks for the comment, if you like my video's please take a look at my book 'dink tea and read the paper' on LULU.COM. I think there is discount currently....
Bang on...Sir, this is one of the great explanations and eye opener , thank you so much
Suresh - thanks for the kind comments on this. You can get my book witten in the same style 'drink tea and read the paper' from Lulu.com
I watched other videos on RUclips about Cp & CPK and the way they explained are very confusing! This video is by far the best!! I watched it once and I completely understand what Cp and Cpk are. THANK YOU VERY MUCH FOR THE AWESOME VIDEO!!!
Dalin - If you like the video's maybe my book 'drink tea and read the paper' might be of interest. You can get it from LULU.COM
Great presentation very clearly and simply explained, loved to hear your explanation on the difference between PP, PPk and CP, CPK.
Norris - Thanks for the comment, if you like my video's please take a look at my book 'dink tea and read the paper' on LULU.COM. I think there is discount currently....
Well that cleared things up so much.
Thank Mr. Allen.
Johan - Thanks for the comment, if you like my video's please take a look at my book 'dink tea and read the paper' on LULU.COM. I think there is discount currently....
Great presentation Paul, thanks to you now I understand better
Ahmed - Thanks for the comment, if you like my video's please take a look at my book 'dink tea and read the paper' on LULU.COM. I think there is discount currently....
Amazing, I was looking for that simple language to understand the difference for so long and your video clarifies it in minutes
@@paulallen5321 thank you so much. Kind regards,
Tellsaurah - If you like the video's maybe my book 'drink tea and read the paper' might be of interest. You can get it from LULU.COM
this is fantastic and super clear. And you have great handwriting sir!
Diana - took years of practice! thanks for your positive comment remember if you want a subject covered drop me a line or if you want to know more buy my book 'drink tea and read the paper' on LULU.COM
I LOVE this vedio. Thanks alot.
Hami - thanks for your positive comment remember if you a subject covered drop me a line or if you want to know more buy my book 'drink tea and read the paper' on LULU.COM
Good video paul, plz make video on Root cause analysis and CAPA
@@paulallen5321 thanks a lot... HMS Khalid
Nice bro
Sabaree - Thanks for the comment, if you like my video's please take a look at my book 'dink tea and read the paper' on LULU.COM. I think there is discount currently....
Hi sir can you use Cpk in a non-machine methodology? I am currently working on mixture designs.
Pixzel - Thanks for the comment, if you like my video's please take a look at my book 'dink tea and read the paper' on LULU.COM. I think there is discount currently....
Respected sir, Thank you for given lesson.
Could you pls give answer the below question.
What is the difference between Cp,CpK and Pp, PpK?
Mani - If you like the video's maybe my book 'drink tea and read the paper' might be of interest. You can get it from LULU.COM
Hi sir!Do you know one of the MCDM tools,the BEST-WORST METHOD?
Aaron - If you like the video's maybe my book 'drink tea and read the paper' might be of interest. You can get it from LULU.COM
Hello paul, why there is cpk greater than 1.33 / 1.67??
Vijay - I made a video about this, look it up. If you ever want a subject covering drop me a line. Otherwise look up my book 'drink tea and read the paper' on LULU.COM
Sir,do you have pdfs of production systems?
@@paulallen5321 I mean do you have some sort of sources that I could help myself with like ebooks or something?Thank you sir for your reply😊
It is because it falls off on our production system course/subject
@@paulallen5321 Thank you sir. Do you know the one of the MCDM method,Best-Worst Method?Or do you have source or book about this method?
Aaron - Thanks for the comment, if you like my video's please take a look at my book 'dink tea and read the paper' on LULU.COM. I think there is discount currently....