Abstract:Two well-known Design of Experiments (DoE) methodologies, such as Taguchi Methods (TM) and Shainin Systems (SS) are compared and analyzed in this study through their implementation in a plastic injection molding unit. Experiments were performed at a perfume bottle cap manufacturing company (made by acrylic material) using TM and SS to find out the root cause of defects and to optimize the process parameters for minimum rejection. Experiments obtained the rejection rate to be 8.57% from 40% (appx.) during trial runs, which is quiet low, representing successful implementation of these DoE methods. The comparison showed that both methodologies gave same set of variables as critical for defect reduction, but with change in their significance order. Also, Taguchi methods require more number of experiments and consume more time compared to the Shainin System. Shainin system is less complicated and is easy to implement, whereas Taguchi methods is statistically more reliable for optimization of process parameters. Finally, experimentations implied that DoE methods are strong and reliable in implementation, as organizations attempt to improve the quality through optimization.
Today, the market became competitive. Each and every day we need to provide something new that helps to link the consumer to gain their focus and lead to success and profit. The concept of providing something new which is useful can be termed as “Creative Product Development”. The individual’s perception for creative development of product may differ. The selection of creativity technique depends on the type of product. This paper contains the review of various few selected creativity techniques that can be applied to solve the problems and challenges faced during the product development stage where the multiple dimensions are taken in to consideration.
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