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process required storage

Creator
Creator

Hi all,

 

I am new to PlantSimulation.

I am trying to simulate a manufacturing system, in which parts continously are created on "machine 1". These parts needs to rest due to process requirements for 48h before being processed further on. Some parts only can be further processed on "machine 2", some parts only on "machine 3".

 

In the mean time, other parts are being manufactured, stored, then passed on to "machine 2" or "3".

 

Since there are around 50 different parts being produced on "machine 1", some only can be processed on "machine 2" and some only can be put to "machine 3". we try to figure out an optimized production sequence. "machine 1" is supposed to run all the time. but the products cant be used if they are older than 14 days.

 

Is this possible to put into plant simulation?

8 REPLIES 8

Re: process required storage

Gears Esteemed Contributor Gears Esteemed Contributor
Gears Esteemed Contributor

you can take three buffers with a processing time of 48 hours (seperate the parts that only can be processed on a special type of machine). Then you can develop different strategies, how to continue with the production.

The MU records the entry time into the buffer,so you can calculate at each time the staying time in the buffer.

 

Steffen Bangsow
freelance simulation specialist  
web: www.bangsow.eu
mail: steffen@bangsow.net

Re: process required storage

Siemens Pioneer Siemens Pioneer
Siemens Pioneer

I've attached a very simplified model that does what you want it to do. Hopefully it helps with what you are trying to achive

Re: process required storage

Creator
Creator
Thank you for your help! Unfortunately, I cant open your file, since I am required to use Plant Simulation Version 13. Can you save your so I can open it? Thanks again

Re: process required storage

Siemens Pioneer Siemens Pioneer
Siemens Pioneer

Here you go

Re: process required storage

Creator
Creator
ALilj thanks thats helping.

Is there a way to model raw material to a product?

I would like 2 inputs (1: in kg, 2: in meters) which produce a product in a station. The output are the parts with the process required time in a buffer.

Re: process required storage

Siemens Pioneer Siemens Pioneer
Siemens Pioneer

If it's two different raw materials the easiest way would be to use a assembly station that consumes the two raw materials and produces the product that goes into the storage buffer.

 

Re: process required storage

Creator
Creator

Thanks again!

I have specified of what I am trying to do here: https://community.plm.automation.siemens.com/t5/Plant-Simulation-Forum/make-inputs-kg-and-m-to-a-pro...

 

I opened up a new thread in order to stick with the subject name .. Smiley Happy

Re: process required storage

Siemens Pioneer Siemens Pioneer
Siemens Pioneer

I made another simplified model of how you could approach it. Will need modification to fit your specific case but hopefully it gives you a couple of tools on how to solve it.