Saturday, May 5, 2018

Process Waste Visualization Chart

Process waste elimination is an important objective of scientific management and industrial engineering disciplines. Frank Gilbreth proposed process charts to visualize and improve processes.

Taiichi Ohno and Shigeo Shingo combination brought of the 7-Waste Model and created a strong focus on identifying and eliminating waste.

The 7-Waste Model was further extended by others in more wastes. The flow process chart with five symbols can be further developed to identify more wastes and operationalized the extended 7-Waste Model.

The visualization chart can be record the follow events, flows or quantities

Transport of material
Movement of Operator
Set up of Machine
Uploading material
Batch quantity
Processing or Operation
Unloading material
Defects or Rejections
Temporary delays
Idle time of machine
Idle time of operator

What more needs to be added?

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The Seven Types of Waste (Muda) – Now with 24 More Types of Waste
March 8, 2015

Improving Lean Design of Production Systems by Visualization Support
Volume 41, 2016, Pages 602-607
open access

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