六西格玛黑带项目案例.pdf

Climate Controls
OEM Products Group
Reduce Returns of 24245
SIX SIGMA BLACK BELT PROJECT
CANDIDATE: PETER WRIGHT
CHAMPION: KEVIN KIDDER
START FEBUARY 18, 2002
ESTIMATED COMPLETION JULY 15, 2002
Define Section 1
Climate Controls
OEM Products Group
Define Project
DMAIC REVIEW
CONTROL DEFINE
IMPROVE MEASURE
ANALYZE
Develop charter
Map the process
Understand the voice of the customer
Define Section 2
Climate Controls
OEM Products Group SIPOC
Suppliers – Inputs – Process – Outputs - Customers
SuppliersInputs Process Outputs Customers
24221 Receive
Raw Inspect
Casting Raw
Casting
China
Precision Machine Acceptable
24245 Mexicali
Main 24245
Modern Valve Seat
Metal
Inspect
Main
Texas Die
Valve Seat
Casting
Measure Section 3
Climate Controls
OEM Products Group
Project Overview :
Customer is frustrated by failures due to the Main Valve
Seat defects.
• 2% Rejects 20,000 assemblies - 400 rejects daily.
• Excessive rework to main valve se