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Fundamentals of Die Casting Design.pdf

November 7, 2009 · Filed Under Mechanical & Industrial Engineering · Comment  · Tags: , , , ,

Taken from Abstract: Die-casting engineers have to compete not only with other die-casting companies, but also against other industries such as plastics, and composite materials. Clearly, the ”black art” approach, which has been an inseparable part of the engineer’s tools, is in need of being replaced by a scientific approach. Excuses that “science has not and never will work” need to be replaced with “science does work”. All technologies developed in recent years are described in a clear, simple manner in this book. All the errors of the old models and the violations of physical laws are shown. For example, the “common” pQ2 diagram violates many physical laws, such as the first and second laws of thermodynamics. Furthermore, the “common” pQ2 diagram produces trends that are the opposite of reality, which are described in this book.
The die casting engineer’s job is to produce maximum profits for the company.
In order to achieve this aim, the engineer must design high quality products at a minimum cost. Thus, understanding the economics of the die casting design and process are essential. These are described in mathematical form for the first time in this volume. Many new concepts and ideas are also introduced. For instance, how to minimize the scrap/cost due to the runner system, and what size of die casting machine is appropriate for a specific project.
The die-casting industry is undergoing a revolution, and this book is part of it. One reason (if one reason can describe the situation) companies such as Doehler Jorvis (the biggest die caster in the world) and Shelby are going bankrupt is that they do not know how to calculate and reduce their production costs. It is my hope that die-casters will turn such situations around by using the technologies presented in this book. I believe this is the only way to keep the die casting professionals and the industry itself, from being “left in the dust.”

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Introduction to Economic Analysis.pdf

October 23, 2009 · Filed Under Social Economic · Comment  · Tags: , , , , , ,

This book presents introductory economics (”principles”) material using standard mathematical tools, including calculus. It is designed for a relatively sophisticated undergraduate who has not taken a basic university course in economics. It also contains the standard intermediate microeconomics material and some material that ought to be standard but is not. The book can easily serve as an intermediate microeconomics text. The focus of this book is on the conceptual tools and not on fluff. Most microeconomics texts are mostly fluff and the fluff market is exceedingly overserved by $100+ texts. In contrast, this book reflects the approach actually adopted by the majority of economists for understanding economic activity. There are lots of models and equations and no pictures of economists.

Emergent Macroeconomics - An Agent-Based Approach to Business Fluctuations.pdf

October 21, 2009 · Filed Under Social Economic · Comment  · Tags: , ,

This macroeconomics ebook summarizes a crucial strand of research based on heterogeneous agents addressing and explaining key stylized facts of real world.

Principles of Microeconomics.pdf

October 21, 2009 · Filed Under Social Economic · Comment  · Tags: , , , , ,

Microeconomics is a branch of economics that studies how individuals and firms make decisions to allocate limited resources, typically in markets where goods or services are being bought and sold.

Peugeot 505 FAQ and Buyers Guide-North American Specs.pdf

August 27, 2009 · Filed Under Peugeot · Comment  · Tags: ,

Taken from Body Construction: All models of the Peugeot 505 are constructed on an all-steel unibody frame. The sedans have a 108-inch wheelbase. The 505 wagon has a longer 114.2 inch wheelbase and has a half-ton cargo capacity. Both models are designed by Pininfarina and features design that was modern to its day, and still remain stylish. The forward slope of the hood and backward slope of the windshield yield aerodynamic benefits and esthetic beauty that is common on all Peugeot models. It should be noted that Chrysler was consulted by Peugeot to help with targeting the 505 to North Americans. Chrysler to this day continues to “borrow” their innovations from French carmakers. The 505 from a stylistic point of view is a very flowing car. All of its lines seam to flow and converge with subtle smoothness.
The 505 body is also a very durable body. Many owners have had accidents that yielded little damage to their cars and greater damage to cars that have hit them. My mechanic mentioned a 505 of his that was hit hard in an accident. The first body-straightening machine was not strong enough to pull out the 505’s sheetmetal! The owner of the machine exclaimed that most Japanese sheetmetal usually tears on this machine. The 505 was truly ahead of its time in the safety department. All 505’s have crumple zones, windshield and door pillars are designed as box sections, and the doors contain side-impact beams. The 505 was also designed with the philosophy to avoid wrecks, and this can be felt most by the way it handles.




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