Pull strategy for racks

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question

Fernanda Becker asked Oct 02 2016 at 2:01 AM Ben Wilson commented Oct 03 2016 at 6:49 PM

Pull strategy for racks

20160919-modeloteste-v5-autosave.fsm

Hi everybody,

I'm simulating an warehouse, with 200 types of SKUs equally distributed into 5 departments (racks). There's a central stock before the racks, where the items arrive from the source. I need to set a dedicated storage strategy in the racks, in order to make them have at maximum 10 units of each item type. So, i need the racks to pull the items from the stock, depending of the quantity of each one they already have.

Each rack is responsable for 40 item types and each rack has a maximum content of 400 units. So, there can be at maximum 10 units of each item type in a rack, even if there are another blank spaces in the rack. I tried the pull strategy pulling from item list, but I didn't succeed. Can anyone help me?

Thank you very much!!

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rack warehouse pull strategy

20160919-modeloteste-v5-autosave.fsm (133.1 KiB)

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Answer 1 · 2016-10-02T07:00:08Z

Joerg Vogel answered Oct 02 2016 at 7:00 AM Ben Wilson commented Oct 03 2016 at 6:49 PM

I wrote a source code in the pull requirement. It is the same for all departments. Each department contains a standard range of SKU. Department1 the SKU range is 1 to 40; Department2 range 41 to 80. The range is defined by the output port number of the previous queue connected to the Departments. Then I count the SKUs in the rack. If 10 SKUs are already stored the tested item isn't pulled in the requirement (For "do not Pull" is the source code return-value false or "0". Otherwise I pull the item with the return value of true or "1". Somewhere in the model is a stop event that stops the model simulation run at 88 time units. Simply press run in the simulation control panel again and the simulation runs over this stop time.

2777-20160919-modeloteste-v5-jv.fsm (34.5 KiB)

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Joerg Vogel commented · Oct 02 2016 at 7:01 AM

To Flexsim Inc: I worked on the model with a educational license.

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Fernanda Becker commented · Oct 03 2016 at 4:49 PM

@Jörg Vogel Thank you very much, Jörg! The logic helped a lot! It's my first time in the forum and it's wonderful to see how helpful and cooperative everybody is here.

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Ben Wilson ♦♦ Fernanda Becker commented · Oct 03 2016 at 6:49 PM

Hi @Fernanda Becker, you asked another question as part of this response, but I separated it into its own question, here.

Because this forum is a Question and Answer format, each new post represents a question, and that question could have multiple correct answers. Each answer under the question should pertain directly to the top question, and not to other answers. Commentary on answers should be added as comments under the answer itself.

Answers aren't really meant to be used as a conversation - that is another purpose for comments, which is why I changed your answer above to a comment.

You may want to check out the Best Practices for using this Answers Site article for more information.

Thanks to you and @Jörg Vogel for your participation on this Q&A, and on the forum!

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