Shaft Design for Combined Bending and Torsion Load – By Equivalent Bending Moment and Torque Method
This article will discuss drive shaft design concepts and shaft design formulas for shafts subjected to combined bending and torsion loading. In a previous article we have seen how to design…
Mechanical Forging Press Machine – How It Works
Mechanical forging press machines are widely used for producing forging components. This article will explain the details of the different sections of a forging press machine and its working procedure.…
Five Useful Tips for Plastic Part Design
Plastic part design is a specialized job and a little different than product design using metals. Five important tips for plastic part product design and engineering will be discussed in…
Laminated Leaf Spring Design Procedure
You can find leaf springs in almost all four wheelers. In this article we discuss how to design a leaf spring and the typical guidelines for a leaf spring. A…
The 3-2-1 Principle of Jig Fixture Design
Jigs and fixtures are used extensively for mass production. This article will explain what the 3-2-1 principle is and how it is important for jig and fixture design. One method…
Jigs vs Fixtures
The terms “jig" and “fixture" are many times referred as the synonyms of each other, sometimes both the terms are used together as “jig fixture." Although, both jig and fixture…
Calculate Mass Moment of Inertia for Irregular Geometry in Six Steps
This article will explain how to calculate the mass moment of inertia of an irregular geometry. You need not use any tools for calculating the mass moment of inertia. Just…
How Intake Resonators improve Volumetric Efficiency
The volumetric efficiency and resonators in an air intake system are two closely related terms for the performance of naturally aspirated internal combustion engines. This article will discuss Helmholtz resonator…
Area Moment of Inertia vs Polar moment of inertia
This article will explain what area moment of inertia and polar moment of inertia are, and which moment of inertia you need to consider for beam deflection and torsion calculations.…
Calculate Area Moment of Inertia of Irregular Sections in Five Steps
The area moment of inertia calculation formulas are readily available for regular cross sections. But, occasionally you may come across many mechanical design problems where you need to find out the area…


