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Weerg staff

Weerg's staff of engineers and technicians writes short and simple articles to answer the most interesting questions quickly and pleasantly.

5 min read

FDM vs MJF 3D Printing: Advantages and Key Differences

Since its inception in the 1980s, additive printing or 3D printing technology has evolved into various technologies. Today in this article, we will compare the two most popular and versatile 3D...

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Materials printed with MJF (multi jet fusion)

2 min read

Multi Jet Fusion (MJF) HP 3D Printing Materials and Properties

With HP's introduction ofMulti Jet Fusion technology, many things have changed in the 3D printing industry: the production capacity often 10 times higher than the old SLS technology, an uptime close to 100%, a very affordable production cost, but above all the production of excellent functional...

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aluminium

4 min read

Complete Guide to Aluminium: Properties and Benefits

What is Aluminium? It is a chemical element, which is found naturally on Earth. It is the most abundant metal on our planet, as it makes up roughly 8% of the crust on the surface. It is very versatile, making it the second most used metal after steel in various ways such as in automobiles...

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various materials for different objects

2 min read

Ashby Maps: Evaluating Properties and Cost for Material Selection

The simplicity of the Ashby’s maps

With their simplicity, Ashby's maps are an excellent support for a reasoned choice of the material with which to make your parts.

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3d printing injection molding

2 min read

Comparison Between 3D Printing and Injection Moulding

When it comes to final part fabrication, the question of choosing injection molding vs. 3D printing is likely to surface. And today this question arises much more than in the past. Why?

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shot peening: comparison between shot peened and non-peened parts

2 min read

The advantages of shot peening

Shot peening is an essential mechanic process that is utilized in a variety of different industries. The idea behind shot peening is similar to the age-old process of blacksmiths that hammered metal over and over again to gradually improve its strength.

Shot peening improves the fatigue life of CNC...

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aluminium alloys

4 min read

What are aluminium alloys?

Aluminium alloys are incredibly versatile, sturdy and reliable. For this reason, they are very sought-after in engineering, construction, and automotive applications, making for one of the most widespread metal materials, alongside steel. Keep reading to learn more about the qualities,...

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5 axis cnc

3 min read

What are the 5 axis in CNC?

Traveling back in time to Michelangelo’s day, there were no CNC online resources or the freedom to get a CNC instant quote online. The best tools that were available to use back then were a simple chisel and a hammer. Now, even though Michelangelo was able to create the iconic David statue with...

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Piece in Polypropylene

2 min read

Guide to Polypropylene (PP): Characteristics and Applications

Discovered by German chemist Karl Rehn and an Italian chemist Giulio Natta in the 1950s, polypropylene (PP) is one of the most spearheading plastics on the market today and is also used in 3D printing. From its high melting point, no reactiveness to water/detergents, crack resistance, and...

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examples differences between nylon PA12 and PA11

3 min read

PA12 vs PA11: What are the differences?

Multi jet fusion 3D printing is growing in popularity in the ever-evolving digital age, and with that inevitably stems rooted curiosity involving the process. For example, one of the leading questions amongst beginners is what exactly isnylon PA11 and nylon PA12, and is there really a significant...

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