Advance Electrical Design & Engineering Institute (AEDEI) , ISO 9001:2008 Certified Institute of Electrical Design & Engineering training programs for Dedicated to Electrical Engineers . AED…Full description
Descripción: Advance Electrical Design & Engineering Institute (AEDEI) , ISO 9001:2008 Certified Institute of Electrical Design & Engineering training programs for Dedicated to Electrical Engineers . AEDEI is l...
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WESTOVER ELECTRICAL
EXECUTIVE SUMMARY
WESTOVER ELECTRICAL, INC. Houston Manufacturer of wire windings
PROBLEM STATEMENT The root cause of the increasing rejected products needs to be found to prevent further losses
WESTOVER ELECTRICAL WINDING OPERATION FLOW CHART
4.Windings sent to packaging 1.Production of windings by Machine 1, 2 5.Packaging personnel inspect their and 3
Too many windings are found to be defective and require
PROBLEM AREAS 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0%
80 70 60 50 40 30 20 10 0 Abraded
Failed
Broken
Wrong
B d Wi d
T i t d
Wrong
TOTAL DEFECTS Total Defects per Winder Winder 1 Winder 2 Winder 3
77 42 142
RECOMMENDATI ONS
5)Windings sent to packaging 1) Production of windings by Machine 1, 6)Packaging personnel inspect their 2 and 3 work 2) Windings sent to Quality Control 3) Inspection of electrical windingsare 7)Defects found by personnel 4) Rework of items sent from Machine 1 corrected on the spot and 3 to lessen 8)Windings are defects packaged
WESTOVER ELECTRICAL WINDING OPERATION FLOW
THE ASSUMPTION IS 80% OF REWORK TURNOUT WILL BE FLAWLESS WITH A MARGIN OF 20% ERROR. Winders 3 and 1
175
Total defects
Number of original defects 86 less rework Percentage difference after 67.05% over 32.95%
REPLACE WINDER MACHINE 3 Winder 3 defects
0
Number of original defects less rework
119
Percentage difference after
54.41% over 45.59% remaining
MACHINE OVER-ALL MAINTENANCE ASSUMPTION : 65% OF DEFECTS FOR EACH MACHINE WILL GO DOWN WITH A MARGIN OF 35% DEFECTS REMAINING.
Winder 1, 2 and 3
261 x 65%= 170
Number of original defects less rework
91
Percentage difference
65.13% over 34.87%
BEST SOLUTION
1ST RECOMMENDATION The defects were mainly concentrated in the machines 1 and 3 so the problems were mainly caused by this 2 machines and remedying them would lessen the defects that production will generate.
