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The Art of Manufacturing

The Art of Manufacturing

By : Ninad Deshpande, Sivaram Pothukuchi
5 (13)
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The Art of Manufacturing

The Art of Manufacturing

5 (13)
By: Ninad Deshpande, Sivaram Pothukuchi

Overview of this book

Engineering disciplines focus mainly on programming control systems, while the challenges they overcome or their industry applications largely go uncovered, leaving a huge gap between the theory and industry practices. This leads to engineers learning about subjects without actually understanding their purpose and entering the industry needing months of training. The Art of Manufacturing cuts across pedantic theory and reaches practical applications. You’ll begin your learning journey by starting from the product and moving backward to the manufacturing landscape, factories, machines, and finally to the automation and control challenges faced in manufacturing. The book builds on the authors’ valuable on-field experience, providing a detailed view of the manufacturing of real-world products, while simultaneously providing various analogies and references to daily tasks. As you advance through the chapters, you’ll work on interesting control problems and find out how to overcome them in applications. The concluding chapters offer you a sneak peek into the future of automation and factories. By the end of this book, you’ll be able to relate a real-world product with an associated control challenge and discover ways to overcome these challenges.
Table of Contents (15 chapters)
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1
Part 1: Introduction to the Manufacturing Landscape and Innovative Automation in Everyday Life
8
Part 2: Automation and Humans

Overcoming the control challenge (motion control)

As we study the scheme of a VFFS machine, we realize that the machine basically converts a piece of flat film into a bag filled with goods. The process of conversion involves two axes. One is the puller axis, which is aligned with the direction of movement of the plastic film; the second is the cutter axis, which is perpendicular to the direction of movement. The cutter axis must move at a fixed ratio to the movement of the puller axis. The puller axis draws the required length of foil or film, then the cutter operates and the sealer seals to provide a closed bottom to the new bag. Then the bag, which is open at the top, is filled with the material. After this action, the puller pulls the packet so that the open end at the top can be sealed by the sealer. Of course, the top end of this packet is the bottom end of the next packet.

If we plot velocity versus the time of the movement of the puller axis, it will look like a trapezoid...

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