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Raio Mixing problem watch

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    • Thread Starter
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    Hi there,
    I am trying to work out a formula to sit in my form, so that I can mix different hardness of rubber to make a specific hardness.
    The rubber comes in standard hardness of 40, 60 ,70 Shore. 40 soft rubber 70 hard rubber.
    As an example if I mix one part 40 with one part 60 I get 50 shore hardness.
    If I mix 3 parts 60 with one part 40 I get 55 shore hardness.
    (3x60=180) + (1x40=40)= 220/4 = 55 hardness
    I would like to enter the rubber hardness value into two text boxes
    then a hardness required into another text box.
    also enter a Batch size into a text box.
    I would like the formula to work out the amount of 40 hardness and 60 hardness needed for the batch size.

    Example:

    [Hardness Required] 55 (Enter a Value)
    [Batch Size] 25.00 KG (Enter a Value)
    [60 shore] 18.75 KG (Calculated Field)
    [40 shore] 6.25 KG (Calculated Field)
    Ratio: 3:1

    Any help appreciated.

    Regards

    Nigel
    • TSR Community Team
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    TSR Community Team
    Hey - sorry you haven't had any responses so far. I'm just going to pop this in the CS study help forum for you. Hopefully someone will see this there and be able to help
 
 
 
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Updated: February 12, 2018
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