Read e-book online A primer on the Taguchi method PDF

By Ranjit Roy

ISBN-10: 0872638642

ISBN-13: 9780872638648

A transparent, basic and primarily non-mathematical presentation, this useful consultant introduces you to the elemental strategies, strategies and purposes of the popular Taguchi procedure. A Primer at the Taguchi strategy introduces the elemental strategies of Taguchi experimental layout and exhibits engineers tips on how to layout, study, and interpret experiments utilizing the Taguchi technique for a variety of universal items and techniques. Written for production and creation engineers, in addition to layout engineers and executives, this publication explains the main sensible how you can follow the Taguchi procedure. The Taguchi method of caliber: the ability of the Taguchi strategy indicates the way it might be utilized to an array of goods from autos to pcs. study the extreme merits of creating caliber into the layout, the guts of the Taguchi procedure. a variety of real-world examples might help you notice how the Taguchi process works in various production functions. in the event you desire a extra rigorous statistical remedy, the book's operating appendices supply complete mathematical information on orthogonal arrays, triangular tables and linear graphs, plus absolutely labored ideas to difficulties offered within the instance case experiences.

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Example text

Thus, an experiment planned using the balanced orthogonal arrays provides statistically meaningful results. An OA experiment design leads to reduction of variation caused mainly by controllable factors. Uncontrollable factors (noise, dust, and so on) can be handled in two ways. First, the experiment trial can be repeated at different noise conditions. Second, the noise factors can be included in a second orthogonal array (called an outer array), which is used in conjunction with an inner array, the array of controllable factors.

To compile a comprehensive list of the factors, the input to the experiment is generally obtained from all of the people involved in the project. Dr. Taguchi found brainstorming to be a necessary step for determining the full range of factors to be investigated. Consider Example 5-1. Example 5-1 An experimenter has identified three controllable factors for a plastic molding process. Each factor can be applied at two levels (Table 5-3). The experimenter wants to determine the optimum combination of the levels of these factors as well as the contribution of each to product quality.

90 Figure 4-3. Calculation of cost savings from the target voltage. Obviously, the greater the variation the more likely that some batteries will exceed the limits of customer acceptance. 028 per unit for the sample after the experiment. 90 (Figure 4-3). Attractions and Benefits of the Taguchi Method 47 SPECIFYING TOLERANCE LEVELS Another application of Taguchi’s loss function formulation is in determining the levels of tolerances for various inspection points of the production process. , is well aware of the losses in the current production samples (before experiment).

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A primer on the Taguchi method by Ranjit Roy


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