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Prasetya19 avatar image
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Prasetya19 asked Sebastián Cañas commented

How do I change process time on the processor based on product rework?

In my case, when an item is processed by the processor, the process time is determined based on the label (type 1 and type 2). But if the item undergoes rework, the process time will be different. Is it possible to implement it in flexsim?


For example, if item A has a process time of 2 hours and Item B has a process time of 3 hours, but if item A or item B undergoes rework, both items will be worked on for 1 hour.

FlexSim 24.0.3
process timeprocesorvalue by cases
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Jeanette F avatar image Jeanette F ♦♦ commented ·

Hi @Prasetya19, was Sebastián Cañas's answer helpful? If so, please click the "Accept" button at the bottom of their answer. Or if you still have questions, add a comment and we'll continue the conversation.

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Sebastián Cañas avatar image
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Sebastián Cañas answered Sebastián Cañas commented

@Prasetya19 ,

Yes, this logic is possible to implement in FlexSim. One solution is to set a label "Rework" to the item when they are created with a value 0. If they need rework you change the value of the label to 1.

In the Process Time field of the processor you can write a custom code like this:

if (item.Type == 1 && item.Rework == 0){
return 2; //Hours
} else if (item.Type == 2 && item.Rework == 0){
return 3; //Hours
} else {
return 1; //Hours
}

This is assuming you are setting a label "Type" to the items to differentiate item A and B. Be also careful with the unit times. The else statement returns the process time for any type product that needs rework.

Hope this gives and idea.

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Prasetya19 avatar image Prasetya19 commented ·

After entering this syntax, when running simulation there is a message "property rework not available for variant with value NULL. Must by a treenode type variant". Can you help with this problem?

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Joerg Vogel avatar image Joerg Vogel Prasetya19 commented ·
@Prasetya19, can you ubload your model or code or anything that can we analyze to find your problem? Thank you for participating here at this site and using FlexSim.
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Prasetya19 avatar image Prasetya19 Joerg Vogel commented ·

Simulasi SCR 1 Model_1.fsm

I hope u can help me with the problem, let me attach related files to my model

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Up to 12 attachments (including images) can be used with a maximum of 23.8 MiB each and 47.7 MiB total.