Machine Design

GD&T Tutorial – Learn How to Identify the Feature of Size Dimension

This GD&T tutorial will talk about the concept of feature, feature of size, non-feature of size and also about the application and identification of the geometric dimensioning and Tolerancing concept in engineering drawing.

Published by Suvo (8760 pts) on Oct 31, 2009 to
Mechanical Engineering Articles
Compression Spring Design – Part One – Basic Formula and Considerations

Compression spring is one the most commonly used parts in machine mechanisms. A wide variety of coil compression springs are available as “on shelf” products – and sometimes a special coil spring is required. Understanding the basics of coil spring design is therefore very important. Read and learn

Published by johnsinit (12600 pts) on Oct 30, 2009 to
Mechanical Engineering Articles
Boiler Efficiency Calculation Simplified

A practical and simple method for calculating the efficiency of coal fired boilers is given in this article. Practical assumptions are used to simplify the otherwise elaborate calculations of the Boiler test codes.

Published by johnzactruba (3208 pts) on Oct 30, 2009 to
Mechanical Engineering Articles

The Use of Magnetic Fields in Maglev Trains

As society has become more fast-paced, the need for a more efficient mode of transportation has arisen. One recent technology that meets this new demand is the maglev train, which stands for magnetic levitation. In this article, you will learn how magnetism is used to support this train.

Published by Terry Ligard (211 pts) on Oct 30, 2009 to
Mechanical Engineering Articles
GD&T Tutorial on Projected Tolerance

This geometric dimensioning and tolerancing or GD&T tutorial will discuss projected tolerance and its application and benefits for preparing engineering drawings.

Published by Suvo (8760 pts) on Oct 30, 2009 to
Mechanical Engineering Articles
Calculation and Significance of Log Mean Temperature Difference

This article will talk about the log mean temperature difference or LMTD and the basics of heat exchanger design.

Published by Suvo (8760 pts) on Oct 25, 2009 to
Mechanical Engineering Articles

Basic Design Calculations for Flue Gas Stack Design for a Diesel Genset in India

This article will talk about the basic design calculation of flue gas steel stack or chimney design of a diesel genset.

Published by Suvo (8760 pts) on Oct 24, 2009 to
Mechanical Engineering Articles
Modern Steam Turbines

There are two basic types of steam turbines: Impulse and Reaction turbines. The impulse turbine is normally used for high and intermediate steam turbines, whereas the reaction turbine is used for low steam turbines. However modern turbines can also be a combination of these two types.

Published by WillieS (1612 pts) on Oct 22, 2009 to
Mechanical Engineering Articles
Kinematics - Special Mechanisms: Straight Line Mechanisms - II

In continuance to the last article, which gave introduction about some special mechanisms and briefly explained Watt's straight line mechanism, in this article few more approximate straight line mechanisms will be discussed. These are different configurations of four bar linkages.

Published by naveenagrawal (3181 pts) on Oct 20, 2009 to
Mechanical Engineering Articles
How to Go About Designing a Work Holding Fixture

This article gives step by step guidelines for a designer on how to systematically go about designing a work holding fixture with hydraulic clamping. Practical advice on what sort of inputs to be collected and how to use common sense in deciding the various design aspects are explained.

Published by C.V.Rajan (602 pts) on Oct 13, 2009 to
Mechanical Engineering Articles