Circular sawing – process description and design guide
Circular sawing involves the use of a rotating cutting blade that can be fed horizontally, vertically, or at an angle into the material. Circular sawing
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Bandsawing – process description and design guide
Bandsawing: As per the name of the process, the saw is formed as a band and is continuously cycled in one direction around pulley wheels.
Shear Stress Equations with Explanation
Did you realise that when you rub your hands together while washing, you are causing shear stress on the surface of your hands? Or that
Durometer Hardness Testing Explained
Hardness generally refers to the resistance of a material to scratching or indentation, and a qualitative measure of the strength of the material. The most
Torlon | polyamide-imide (PAI) – properties and applications
Do you know a thermoplastic as highly performing as Torlon®? The other name for this strong material is polyamide-imide (PAI). PAI’s excellent chemical and physical
Metamaterials – explanation and applications
The dimensioning of materials to suit our needs has soared in the last decade through the use of composites. There are other materials though, human
Engineering Wallpaper – Top 50 FREE downloads
There are masses of free engineering wallpaper images available online today. Whether you are looking for inspiration, a reminder of past projects or perhaps you
What’s it like to be a freelance mechanical engineer?
Should you become a freelance mechanical engineer? Entrepreneurship can be very lucrative therefore it is no wonder many mechanical engineers think about freelancing/or building their
Dynamometer – types, working principle and power measurement basics
A dynamometer is a power measurement instrument used to determination the work being done by a machine over time. Work is the force vector that
EDM Machine – types & working principles
EDM stands for Electrical Discharge Machining. An EDM machine is the piece of equipment used to carry out this manufacturing process. The principle behind EDM
Mechanical Design Models and confidentiality. Don’t get ripped off.
In order to gain insight into our work it makes sense to look at other projects, how they work, what they achieve, etc. Different projects
Centrifugal Casting – process overview
Centrifugal casting is a permanent mold process which makes use of centrifugal force to fill a mold with molten material. There are 3 types of
Photogrammetry in mechanical engineering
Photogrammetry in mechanical engineering is becoming more popular, so let’s take a look at the concept and how it’s used. Photogrammetry derives from the Greek
Surface Roughness Chart & Useful Information
The surface roughness chart is a concept that expresses the amount and extent of deviation of a surface from being perfectly flat. As it is
Structural Concepts – Static and dynamic load basics
Defining and understanding the basic structural concepts of engineering and how they are expressed in physics and mathematics is a key aspect for students. This
AISI 304 Stainless Steel: Specification and Datasheet
The SAE/ANSI 304 (AISI 304) is the most commonly available and used type of stainless steel. It is also referred to as 18/8 stainless steel,
Units of Modulus of Elasticity (Young’s Modulus)
Before diving in to take a deeper look at the different types and units of modulus of elasticity (Young’s Modulus), let’s first take a look
Pascals explained: A simplified guide for boneheads
Have you come across Pascals as a unit of pressure and not quite sure what it is? Pressure can be a bit confusing. There are
Compression Molding – manufacturing process guide
Compression molding is one of the oldest and most widely used processes for the production of thermosetting plastic parts. Compression molding machines consist of platens
Volumetric Flow Rate Equation
Before defining the volumetric flow rate equation and how to apply it, let’s explore the concept of volumetric flow and how the principle is used
5 Reasons Mechanical Design Engineers Should Go Global.
Being an international agent can be as rewarding as it is challenging. Financial benefits to satisfying wanderlust, strong assets on a resume to a different
4130 Steel Properties and Applications
It is very useful for any mechanical engineer to be aware of 4130 steel properties. 4130 steel, otherwise known as Chromoly or chromium molybdenum steel
Induction heater – how it works
Different heating methodologies have historically been used for both domestic and commercial purposes. Conduction, convection and radiation are the main types of heat transfer, with
Linear Broaching & Rotary Broaching: Process Guide
What is Broaching? How does a broach work? Broaching is a subtractive manufacturing process that produces features by removing material form a part with a
How To Pitch Your Mechanical Engineering PhD
We know times can be hard and academic jobs in short supply with senior professors settling into the most sought after positions. Moreover, cutbacks suffered
Resonant Frequency Equation: mechanical, electrical and acoustic
Resonant frequency can apply to many areas of the physical sciences or engineering. Thus, there is more than one resonant frequency equation, depending on the
Check Valves – function, types and selection criteria
Check valves are devices that only allow media to flow in one direction. Due to this, they are often called “one-way” or “non-return” valves. They
Buoyancy and its many applications
Let us take a look at density before we deep dive (or float!) into the science of buoyancy. Density is the ratio of weight of
Polypropylene properties and uses
Polypropylene is widely regarded as one of the most versatile plastics. Just look around and you will surely spot it, albeit in different forms –
What is thermochromic paint? Where is it used?
Before we look at the many reasons why you would use thermochromic paint, it is worth reminding ourselves exactly what we are talking about. In
Engineering Workplace Culture
Let’s look into engineering workplace culture. Mechanical engineering is a very challenging profession: between keeping up with deadlines, managing creativity and practicality, working in teams
ISO 2768 – A Basic, Simplified Guide
ISO 2768 standard is a creation of the International Organization for Standardization (ISO). Like for any other standard of this nature, the technical committee was
