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NPFC - MIL-HDBK-683

STATISTICAL PROCESS CONTROL (SPC) IMPLEMENTATION AND EVALUATION AID

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Organization: NPFC
Publication Date: 23 November 1993
Status: active
Page Count: 24
scope:

This handbook establishes the guidelines for developing and implementing a practical SPC system by the contractor and provides the criteria for reviewing contractor SPC systems and evaluating their performance.

Formulas, tables and examples of SPC are available in a wide variety of excellent textbooks. The problem remains, however, that knowledge of statistical methods alone is not sufficient to bring about improvements in Quality and Productivity.

Proper application of statistical theory is fundamental to any SPC program, but, something like the rear wheel of a bicycle, it is not enough by itself to get you where you want to go. The front wheel of a bicycle provides the ability to steer, thereby helping you avoid potholes, tree stumps, and other obstacles in the road. The "steering" for an SPC program comes from management in the form of an implementation plan. Countless organizations, perhaps even your own, have learned that classes in statistics are not enough. Effective control charts won't magically appear just because the company has sponsored a one day seminar. To make SPC work, a step-by-step process, whose emphasis is implementation, is required with support, participation, and visibility at all levels of management. Also, a follow-up system must be established to ensure timely completion of all critical steps and continued use of SPC techniques.

This handbook briefly describes the key elements of SPC implementation. Definitions of pertinent concepts are provided along with suggestions of where and how to get help as you proceed.

The following is a synopsis of the major chapters that comprise this handbook:

a. Chapter 2: This chapter contains a glossary of terms and symbols commonly used in statistical work.

b. Chapter 3: Advantages and goals of SPC are described in this chapter. An effective program cannot be initiated until objectives and purpose are clearly understood.

c. Chapter 4: This chapter contains specific SPC implementation requirements. Note - refer to figure 8-4 for an example of an SPC implementation plan.

d. Chapter 5: This chapter proposes a format for evaluating SPC programs in a supplier's facility. Each supplier's approach will differ slightly according to manufacturing technology and management philosophy. It is important to be able to assess these differences, and to ensure that the supplier's objectives match the Army's requirements.

e. Chapters 6 and 7: Chapter 6 describes some of the SPC software programs available and Chapter 7 provides some guidelines for evaluating this software, without making any specific recommendations. Software selection and installation can become a project in itself depending on the degree of sophistication of the system and integration with real-time control.

f. Chapter 8: This chapter offers requirements and standards as an aid in selecting a consulting firm to help with SPC implementation. The objective here is to provide the means for making an informed selection by asking the right questions and comparing answers.

g. Chapter 9: This chapter contains miscellaneous notes.

In conclusion, this material should be considered a bridge between SPC theory and application and a reference document to evaluate SPC programs and tools. Quality and productivity improvement starts with basic technical knowledge, but will not be fully realized without a structured program for applying the knowledge and sustaining the improvements through continuous monitoring feedback and commitment to correct problems when identified.

intended Use:

This standard provides instruction and guidance for the preparation and implementation of SPC programs. It is designed for Government personnel for reviewing and evaluating a contractor's SPC... View More

Document History

April 13, 2004
STATISTICAL PROCESS CONTROL (SPC) IMPLEMENTATION AND EVALUATION AID
A description is not available for this item.
MIL-HDBK-683
November 23, 1993
STATISTICAL PROCESS CONTROL (SPC) IMPLEMENTATION AND EVALUATION AID
This handbook establishes the guidelines for developing and implementing a practical SPC system by the contractor and provides the criteria for reviewing contractor SPC systems and evaluating their...
October 30, 1991
STATISTICAL PROCESS CONTROL (SPC) IMPLEMENTATION AND EVALUATION AID
This handbook establishes the guidelines for developing and implementing a practical SPC system by the contractor and provides the criteria for reviewing contractor SPC systems and evaluating their...
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