valueflows

valueflows docs
git clone https://s.sonu.ch/~srfsh/valueflows.git
Log | Files | Refs | README

commit 619cb32cb977327455cc904e9bc27452dc5f584a
parent 3c0226cb4b018bd43a3b73ca55530689fd3c1ec6
Author: Lynn Foster <foster.j.lynn@gmail.com>
Date:   Thu, 28 Mar 2019 18:04:26 -0500

fix bad copy-paste
Diffstat:
Muse-cases/planning-scenarios.md | 13++++---------
1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/use-cases/planning-scenarios.md b/use-cases/planning-scenarios.md @@ -51,17 +51,12 @@ When the roll at the end grows to the largest size the equipment can handle, the ## The rewinder station is where supply meets demand. -Demand-driven example: bicycle manufacturing +The big wide roll goes thru a slitter which separates it out into narrower sheets according to orders from customers, and the narrower sheets are rewound into smaller rolls. +![rewinder](https://sc01.alicdn.com/kf/HTB1HvCZkNWYBuNjy1zkq6xGGpXat/paper-mill-Slitter-Rewinder-slitter-rewinder-machine.jpg) -See http://www.madehow.com/Volume-2/Bicycle.html +The smaller rolls are then moved into railroad cars which are waiting on a siding by the paper mill, which will ship the paper rolls to customers which will make them into some kind of paper products. -The demands for bicycles might come from stores or individual customers. - -Each bicycle model will have a recipe, usually in the form of a multi-level bill of materials and routing (sequence of manufacturing processes). In ValueFlows, we combine them into the same structure called a Recipe. - -The algorithm for planning is called a dependent demand explosion, which you can read about in some detail in this pattern: https://hillside.net/plop/plop97/Proceedings/haugen.pdf - -The recipe is called the Knowledge Level in that pattern. +The rewinder station is a difficult scheduling job. The paper mill has limited space for rolls of paper and railroad cars, and the correctly-sized rolls of the required grade of paper need to be moved into the correct railroad car for the correct customer. # Demand-driven example: bicycle manufacturing