How to pull certain items from floor space to specific processors

Question

question

Darby C asked Oct 11 2021 at 9:48 AM Felix Möhlmann commented Oct 16 2021 at 8:35 AM

How to pull certain items from floor space to specific processors

Hi i'm looking for a way to pull items from floor space to different processes.

i.e. if case 1 take to processor 1, if case 2 take to processor 2 ect.

Any help would be greatly appreciated thankyou!

Software Version:

FlexSim 21.2.1

floorstorage

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Answer 1 · 2021-10-11T11:31:52Z

Felix Möhlmann answered Oct 11 2021 at 11:31 AM Felix Möhlmann commented Oct 16 2021 at 8:35 AM

If you use the floor storage as a fixed resource (option in "Flow" tab of properties), you can activate the "Pull" option on the connected processor ("Input" tab in properties) and define what items they can pull in the "Pull Requirement". For example only pull items with a specific label value.

Pull_Items.fsm

If you are not using the storage as a fixed resource, it would probably be best to use a process flow to control the movement of items. For example, have one token per processor, that tries to find valid items currently in storage ("Find Item" activity) and then has them transported/moved over and processed.

1633951658503.png (1.1 KiB)

1633951692907.png (7.7 KiB)

pull-items.fsm (38.4 KiB)

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Darby C commented · Oct 16 2021 at 4:03 AM

Thankyou for the help. Adding to this possible to pull multiple items in this way to the same process?

My current model has me creating 5 items and having them sorted into floor space in a batch size. I am then looking to pull some of these items to a process in a specific order ie pull item 1, finish cycle, then pull item 3.

Is this possible?

Thankyou again!

0 ·

Felix Möhlmann Darby C commented · Oct 16 2021 at 8:35 AM

There was a similar question recently about pulling items in a certain order using lists. Maybe you can find something useful in there.

https://answers.flexsim.com/questions/109869/how-can-i-create-different-sequences-with-processo.html

Other than that, I'd also say that the more complex the logic becomes, the easier it would be to use a process flow together with a (or more) lists to control the material flow.

Here's a small example model, in which the process flow pulls a pallet and eight items (2 of type1, 6 of type 2) and moves them to queues leading into a combiner.

list_example.fsm

Some more resources:

Tutorial on shared assets (resources/lists) in process flow:

https://docs.flexsim.com/en/21.2/Tutorials/ProcessFlow/Tutorial1UsingSharedAssets/1-1UseListResource/

Introduction to lists (See aslo the next to entries "Working With Lists" and "Introduction to SQL Sueries for Lists"):

https://docs.flexsim.com/en/21.2/ConnectingFlows/Lists/KeyConceptsLists/

1 ·

list-example.fsm (36.1 KiB)

Darby C commented · Oct 16 2021 at 4:04 AM

I should have mentioned i am looking to pull them into a que first and then in the processor if possible.

Thankyou again!

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Answer 2 · 2021-10-13T12:59:38Z

Kenny Macleod answered Oct 13 2021 at 12:59 PM Kenny Macleod commented Oct 15 2021 at 11:43 PM

Yeah. Processir Pull would do it, but so would using Lists.

Ill post, or email, a List example when at my PC

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