Lean 6σ Green Belt Project: Process Improvement at Zoni Footwear Company using DMAIC Approach

Company Background:

• Zoni Footwear designs and manufactures athletic shoes with two factories in Mexico. One is located in Leon (Guanajuato) and the second in Guadalajara (Jalisco).

Shoe Manufacturing Process

Objective:

• Manufacturing Process Improvement using DMAIC approach for Quality Improvement & Process Optimization.

LEAN Tools & Techniques Used:

DMAIC

X-Y Matrix

X_Bar & S Control Chart - using MINITAB

Ordered Histogram

Multi Vari Analysis Between 2 Manufacturing Plants

Linear Regression Output for Workforce Training vs. Product Quality Comparison