Why do we use Asphalt for roads?

When you hear the word “Asphalt”, most probably you think of the black tar stuff on roads and highways, right? But that’s not exactly correct. Asphalt is the liquid that is in the road, it’s the binding agent that kind of holds the rocks together. The difference is that the Asphalt comes from crude oil,... Continue Reading →

The Lightweight Solution: Silica Aerogel in Space Missions

At first glance aerogel resembles a hologram. It's deceiving whether it's really there or not. A highly porous solid material, aerogel has the lowest density of any solid materials known to man. It is 1000 times less dense than glass, aerogel has earned the nickname "solid blue smoke". At the time in the early 1980s,... Continue Reading →

Why Silica Aerogel is the Best Thermal Insulator Known?

Besides being the lightest solid known to man, the aerogel has another remarkable property: it’s thermal insulation.With other words its ability to act as a barrier against heat. Aerogels are so good at this that you can put the flame of a Bunsen burner on one side of a piece of aerogel and a flower... Continue Reading →

MECHANICAL DESIGN ENGINEERING – Geometrical Dimensioning and Tolerancing_What is the SURFACE PROFILE tolerance?

For quite a long time mechanical parts were controled based on their regular forms such as planar form, cylindrical form or spherical form, but when parts become more complex in form such measurements based on simple features were not possible anymore. Such irregularly shaped profiled features couldn’t be geometrically controlled until 1966 when the first... Continue Reading →

MECHANICAL DESIGN ENGINEERING – Geometrical Dimensioning and Tolerancing_What is the LINE PROFILE tolerance?

The mechanical description of a part is usually done by using simple geometrical form features such as lines, planes, circles or cylinders. But in many cases mechanical parts have complex geometrical structures and their form deviations must be described more specifically. Therefore when your product is getting complex in form (e.g. automobiles, airplanes, ships) with... Continue Reading →

CREO PARAMETRIC 6.0 – PART DESIGN_Compression spring design.

Designing Helical Shapes such are Springs with variable pitches sometimes is a challenge, mainly for the beginners. But things are very simple to do & control, CREO Parametric is an excellent tool for that and in this post I will show you how to do such design work. Step 1. Create New Part I click... Continue Reading →

CREO PARAMETRIC 6.0 – PART DESIGN_Extrusion screw design

CREO Parametric it is indeed very Parametric CAD platform. Designing with CREO is super effective, it´s a pleasure to work with it, I love this software. It´s powerful, it´s fun, it´s user friendly and you can use it in any type of mechanical design projects. In this post I want to show you an example... Continue Reading →

CATIA V5 _PART DESIGN_Animated sketches

The best option to simulate a mechanism with CATIA V5 is of course by using the dedicated one named DMU Kinematics Workbench. But as CATIA is a very interactive and versatile CAD software some simulation can be also done in other workbenches. For example sketch animation is sometimes a very useful feature and this can... Continue Reading →

CATIA V5 _DMU KINEMATICS_Assembly constraints conversion into joints for a simulation mechanism.

In most cases when you want to do a mechanism simulation with CATIA V5, you perform this, using the DMU KINEMATICS Workbench where you initially prepare your assembly mechanism by only arranging the parts in an approximate position without defining the constraints. This is because in DMU Kinematics before to simulate your mechanism you must... Continue Reading →

How Kerosene became one of the most important fuels that exist on the planet.

For better or worse, all I could think about when I travel by plane is kerosene, and the remarkable trick those mid-19th century inventors used to transform crude oil: distillation. The story of Kerosene started many centuries ago. The Persian physician and alchemist Muhammad ibn Zakariya al-Rizi also known as Rhazes, who lived roughly between... Continue Reading →

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