Date of Award

Spring 1952

Document Type

Thesis

Degree Name

Master of Science in Management Engineering - (M.S.)

Department

Management Engineering

First Advisor

Oliver J. Sizelove

Abstract

Modern trends of industrial development have been directed toward increased output of products with greater precision and uniformity. This necessitates an inspection function that reflects more effective results than ever before. In order to rise to this occasion full use must be made of today's principles and techniques of inspection and quality control.

Industry demand the use of high precision measuring instruments to aid the inspection function in obtaining effective results. Recently, however, the techniques of Quality Control have become a well-known, useful, tool for the solution of many manufacturing problems. Effective use of these techniques depends on their complete understanding by management, production, inspection, and engineers. Inspection and Quality Control problems are vital management problems as they include organization, human relations, co-ordination with other departments and other elements of the inspection function, such as, purchased material control, process control, sampling plans, quality guarantee, etc.

Many problems will become apparent in the application of control techniques to a new quality program. It is hoped that this Thesis will help relieve some of the problems and possibly prevent others. This Thesis is primarily intended to be a guide for plant executives and shop supervisors for demonstrating the modern techniques of management's newest and most useful tool, Quality Control.

Quality Control can be thought of as an effective system for co-coordinating the quality efforts of the various groups in an organization so as to enable production to continue at the most economical level. Benefits often resulting from Quality Control Programs are improvement s in product quality control and design, reductions in operating costs and losses, improvements in employee morale, and reduction in production-line bottlenecks. The success of quality control in a plant is dependent on the spirit of "quality-mindedness", which should extend from top management right to the men and women at the work bench.

The quality control approach is to control product quality during the process of manufacturing so as to prevent poor quality rather than to correct the poor quality after the article has been produced. Frequency distributions, control charts, and sampling tables are statistical tools which guide the quality control activities. These statistical tools, however, represent only a part of the over-all administrative quality control pattern.

The actual promotion of an acceptable quality control program is very much dependent on the mutual understanding of the basic principles underlying the new program. An attempt has been made to prepare a systematic approach to the problems of quality control that may be utilized later in the development of a complete quality control program. It must be clearly understood, however, that all quality control programs although alike in structure are somewhat different in detail and require a tailoring to suit the applicable conditions.

To date, use of this newest management tool, Quality Control, has provided insurance for top quality at lowest costs for companies both large and small. No matter what the product may be or how the product is made, the role of quality can best be accomplished by means of an adequate Quality Control Program.

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