At first glance, torque-power charts seem to show that at a certain engine speed, the two curves cross. Does this really happen? Is it a magic point or just a coincidence? Do the horsepower and torque curves really cross? Can they? Let’s find out. Introduction In this article, I’ll try to show whether this is…
The shaft is a basic mechanical component of many machines. This article will discuss drive shaft design concepts and formulas by explaining a design problem for a shaft for a constant load. You can see a shaft in almost every machine which has rotating parts. Typically a shaft has a circular cross section. However, the…
AWS welding symbols are widely accepted for welding drawings. AWS symbols and ANSI symbols are same. He we discuss five common AWS symbols in some detail. All AWS welding symbols are derived from the standard AWS A2.4. 1. Butt Joint If you have two work pieces aligned approximately in the same plane that need to…
In many practical situations, you may have come across washers that were not totally flat, but curved in nature. These curved washers are called Belleville spring washers. How They Look As you can see from the picture above, a Belleville spring washer is curved in cross section. Apart from that’ everything is similar to…
The idlers are an important part of a belt conveyor system; they provide stability to the conveyed materials. There are mainly three types of idles used in the industry namely, flat idlers, trough idlers, and garland idlers. In this article we will discuss only the flat type belt conveyor idler design. The Basics of Flat Idler…
Learning hydraulic component symbols is the essential first step toward reading hydraulic schematics. We will discuss glossary of ISO hydraulic symbols here. There are many hydraulic symbols used in industry for designing and reading hydraulic circuits. Here in this article we will learn five most used ISO hydraulic symbols and their practical meanings: 1. Hydraulic Reservoir (tank) Every hydraulic…
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 a drive shaft only for bending. But, for many practical shaft design problems you have to consider bending as well as torsional load when designing the shaft….
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. Like drop forging hammer, mechanical forging press is also used for mass production of forging components. Overview of Mechanical Press Forging Process ○ The billet is heated…
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 this article. From your car to your computer, you will find the use of plastic parts in almost everything everywhere around you. Most of the…
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 leaf spring protects a four wheeler from the unevenness of the road. Thus a leaf spring necessarily serves the following purposes: ○ Increase service life of…