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Proposal-Introduction of 6Sigma in an organization

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  • #45540

    Naima
    Participant

    Hello,
    Can anybody help me in preparing a proposal on -“Introduction of 6Sigma in an organization”. My company is CMMi L5 appraised. The top managemnet now wants to venture into Six Sigma. Being a BB, i am given the responsibility to prepare this by my manager. This needs to be presented to our President and take his approval to initiate the practice of Six Sigma.
     kindly reply

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    #149058

    qualitycolorado
    Participant

    Naima, Hello!Achieving CMMi Level 5 is quite a distinction. Is there a specific reason that your top management wants to venture into Six Sigma? Are there specific customer issues or competitive issues?If so, those would a good start to your proposal: linking the needs of the organization to how Six Sigma could help address these needs. Best regards,
    QualityColorado

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    #149062

    Marlon Brando
    Participant

    CMMi Level 5 stands  for  what?thanks

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    #149064

    Markert
    Participant

    Don’t forget to add the history of six sigma.  A brief summary follows:

    Bill Smith, a Motorola engineer claims that for uncontrolled processes “batch to batch variation can be as much as +/-1.5 sigma off target.” He gives no references or justification for this. In reality there is no limit to how much that uncontrolled processes may vary.
    At that time Motorola used Cp=1. Bill Smith suggested “Another way to improve yield is to increase the design specification width.” He broadens specification limits to Cp=2.
    Mikel Harry derives +/-1.5 as a theoretical “shift” in the process mean, based on tolerances in stacks of disks. Stacks of disks obviously bear no relation to processes.
    Harry names his Z shift. The Z shift makes a number of additional errors: his derivation dispenses with time yet he refers to time periods; he claims a “short term” and “long term” yet data for both are taken over the same time period.
    Harry seems to realise his error of the 1.5 and says it “is not needed”.
    Harry in about 2003 makes a new derivation of 1.5 based on errors in the estimation of sigma from sample standard deviations. For a special case of 30 points, p=.95 he multiplies Chi square factor by 3, subtracts 3 and gets “1.5”. The actual value ranges from 0 to 50+. He calls this a “correction”, not a shift.
    Harry’s partner Reigle Stewart adds a new calculation he calls a “dynamic mean off-set.”: 3 / sqrt( n ) where 3 is the value for control limits and n is the subgroup size. For n=4 he gets “1.5”. Reigle says “This means that the classic Xbar chart can only detect a 1.5 sigma shift (or larger) in the process mean when subgroup size is 4″Reigle is quite incorrect. Such data is readily available from ARL (Average Run Length) plots.
    In summary, the 1.5 does not exist, despite the many attempts to prop it up. Calculations involving 1.5 are hence meaningless. That is, 3.4 dpmo is meaningless. Six sigma tables are meaningless. Sigma levels are meaningless.

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    #149069

    qualitycolorado
    Participant

    Marlon, Hello!CMMi is the Capability Maturity Model (integration) — Level 5 is the highest status (very rarely achieved) — more details at:http://www.sei.cmu.edu/cmmi/
    http://en.wikipedia.org/wiki/CMMI
    Best regards,
    QualityColorado

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    #149070

    Marlon Brando
    Participant

    Thank  You QC for  the informative  reply.Best  Wishes,

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    #149145

    Naima
    Participant

    Dear QC,
    Being a BB, i want to initiate teh Six Sigma methodology in my company, as my interest lies in it.  this will definitely be useful for the comapy as well. moreover, teh top management is interested in exploring the benefits of 6sigma.
    so i request all to help me in perparing a strong proposal. if there is a template or a sample propoasl already exiteing, i request you to forward teh same to me to my email id.
     
    Thanks,
    Naima
     

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    #149159

    BB
    Participant

    Man…. u rock!!
    Naima… pc of advice: Pls do contact u’r faculty from where u got the BB certification.  

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    #149160

    Monk
    Participant

    Naima,
    It looks like you have something in mind but are not sure whether it is right or not.
    If you don’t mind sharing your thoughts on how you are going to go about implementing six-sigma, write to my e-mail address [email protected].
    I will finetune it with my suggestions.
    Monk.

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