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Query regarding RTY study(Rolled Throughput Study)

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  • #38407

    AMIT KUMAR
    Participant

    Dear Sir!
    Myself Amit Kumar presently working in Tata Johnson Controls Automotive Limited, India.
    Sir! Presently I am working on RTY (Rolled Throughput Yield) Study of our plant. I have little confusion in calculating Final RTY of  plant production.  I am expecting help from you.
     
    Production Description : 
    We are manufacturing Seating Sets for various cars. For this, we have two assembly line:
    One for Rear Seat and other for Front Seat. There is no dependency on each other for production of seat. These two are totally separate.
    As in a general car , there are two FRONT seat (Driver & Co-Driver) and one REAR seat, So we assemble 2 FRONT seat on front line for every REAR seat on rear line.
     
    Problem :
    Suppose for Front Seat Assembly line, RTY = F
     
    And for Rear Seat Assembly Line, RTY = R
     
    Then Final RTY of our production will be =————???
     
    Sir ! please help me and rectify my confusion
    Thanks a lot Sir and hoping your Reply Soon
    With Regards!
    Amit Kumar

    0
    #114880

    indresh
    Participant

    if we treat the entire assembly line 1 (manufacturing front seats) as single process with RTY =F (assume its 80%)
    similrailry for the rear one RTY as =R (assume its 75%)
    total shall be .75*.80= .60=60%
    but if we wanna compare the RTY for these assembly lines then normalisation is required for each process taking number of steps into considerations
    hope this helps

    0
    #114889

    Mikel
    Member

    Why do you want to do this? Why don’t you spend your time improving the yield on the line which costs you the most waste instead?

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