May 15, 2014

Six Sigma - Introduction

Six sigma is a fact-based, data-driven philosophy of improvement that values defect prevention by process improvement. It drives customer satisfaction and bottom-line results by reducing process variation and defects occurring due to variation.

Six sigma has a set of tools qualitative and quantitative that are used by six sigma practitioner to drive process improvement.

Methodology: As a definite sequence of steps, six sigma uses DMAIC sequence.

Metrics: Six sigma level processes produce only 3.4 defects per million pieces of output.

Six Sigma Organization

Black Belts (Program Managers)

Black belts work full time on six sigma projects.  According one Six Sigma authors, black belts should equal about 1% of the number of employees in the organization. It is expected that a black belt manages four projects per year for a total of $500,000 to $5,000,000 in contributions to the company's bottom line.

Master black belts have advanced knowledge in statistics and also have knowledge in the technical fields. They provide support to black belts.

Green Belts: A green belt works under the direction of a black belt and he undertakes six sigma projects as a part of his full-time job.

Champion: He is typically a top-level managers who appreciates the benefits of six sigma projects and provides support for the program.

Executive: The support of CEO or his deputies is required for successful implementation of Six sigma in an enterprise.

Process owners: They have to power of making changes in the process as suggested by six sigma teams. They should be provided green belt training at least.

Industrial Engineering Knowledge Revision Plan - One Year Plan

January - February - March - April - May - June

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