Problem
Delta Inc is specializing in producing film used to wrap products. Film is rejected and scrapped due to various reasons. The company has collected data on types of rejects and amount of scrap generated by each type. The data is below. Based on the analysis, company should attempt to eliminate "Scratches" failure first.
a) Draw a Fishbone diagram for "Scratches" failure (highlighted) - the most pressing problem.
b) Mention the potential causes of the this failure in the categories of People, Process, Equipment, Materials, Others.
c) Also mention secondary and tertiary causes on the diagram.
|
Type of Failure
|
Amount of Scrap
|
|
Scratches
|
25000
|
|
Gauge
|
16000
|
|
Bubble breaks
|
10400
|
|
Wrinkles
|
3800
|
|
Unevenness
|
3650
|
|
Trim
|
600
|
|
Opacity
|
500
|
|
Air Bubble
|
500
|
|
Carbon content
|
100
|