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Updated 09/30/2025
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Functional Thinking of Manufacturing Plant

Functional Modeling #

A very common model to be used in the form of a screenshot in the presentation for the webinar.

Operational Effectiveness – OE

Effective

Ineffective

OE 0.76
Operational Perfectness - OP

Basic functions

Components

Supersystems

OP 0.1
Functional rank
Problematic rank
Component 4
6
Component 7
3
5
Component 1
2
12
Component 5
2
Component 2
No impact
Component 3
No impact
Component 6
No impact
Aug 23 2025 8:39:28 am
Functional Modeling of typical manufacturing plant #

Let's try to create a Functional Model of a typical manufacturing plant.

Usually, the interaction and connections between different departments are presented in the form of an organizational chart.

The example is shown below.


Additional departments can be added, such as Finance, HR, Training, etc. This is not the point. The point is that this one or any more detailed chart shows only managerial subordination and does not show any functional connections. In practice, the functional connections arise according to necessity: between production and engineering, between QA and engineering and so on.


Let's try to analyze at least partially the functional interactions within the manufacturing plant.

The first step - attend the manufacturing plant as a system

Second step - list the actual components that are materials, equipment, engineers, technicians, managers, etc.

Thrid step - connect the components with functions if they exist - a function exists if and only if a parameter changes.


Operational Effectiveness – OE

Effective

Ineffective

OE Ideal operation
Operational Perfectness - OP

Basic functions

Components

Supersystems

OP 0.19
Functional rank
Problematic rank
Process engineers
13
Manufacturing manager
10
Database
10
Manufacturing technicians
9
Production Equipment
9
Engineering manager
9
Equipment engineers
9
Initial materials
8
QA manager
6
Equipment maintenance group
5

"Process Engineers" - is the most important component. It does not mean that all the rest should be terminated, no. But for the success of the production, we need to invest into "Process Engineers" - training, supply with relevant software, support, etc.

Aug 30 2025 10:02:22 am
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