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The Weerg Blog collects up-to-date articles on 3D Printing and CNC Machining.

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Materials and Finishes

carbon fibre piece and aluminum piece

3 min read

Which is stronger: aluminium or carbon fibre?

In materials science and engineering, particularly in cutting‑edge fields such as aerospace, motorsport, elite sport and high‑end cycling, the question of whether aluminium or carbon fibre offers superior strength arises frequently and has genuine relevance. To provide a comprehensive and...

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3D printed strong materials

3 min read

What is the strongest material for 3D printing?

3D printing is revolutionising manufacturing, enabling the production of complex components with a high degree of customisation and precision. One of the questions designers, engineers and enthusiasts ask most often concerns the strongest material available for 3D printing. There is no single...

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Austenitic Steel

3 min read

Comprehensive Guide to Austenitic Steel

Austenitic steel is one of the most important and widespread categories of stainless steels. Renowned for its outstanding corrosion-resistance and favourable mechanical properties, austenitic steel is used in a vast range of industrial and domestic applications.

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Carbon fiber

3 min read

Carbon Fibre Filaments for 3D Printing: PA12 CF, PA6 CF, PEEK CF

3D printing has revolutionised the manufacturing sector by enabling rapid and precise prototyping, as well as offering new opportunities in the production of high-performance components. Among the most innovative materials used in this technology are carbon fibre reinforced filaments, combining...

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Anodising Weerg

4 min read

Hard anodising vs. decorative

Anodising is a widely used surface treatment on metallic materials such as aluminum that uses an electrochemical process to form a protective oxide layer. Although the basic principle is the same, there are two main types of anodising that differ significantly in their characteristics,...

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Graphic on the chemical structure of polymers

2 min read

What are polymers?

Polymers are macromolecules composed of repeating units, called monomers, that bind together through covalent bonds forming long chains. The term "polymer" comes from the Greek: "poly" (many) and "meros" (part), literally indicating a molecule composed of many units. These materials have...

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Ultem and peek

4 min read

ULTEM vs. PEEK: Comparison of High Performance Technical Polymers

In advanced mechanical design, material selection plays a central role in determining the performance, reliability and durability of components. In industrial areas where traditional polymers are inadequate, materials such as PEI (polyetherimide) and PEEK (polyether ether ketone) are benchmark...

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Bluing and zincing

3 min read

Bluing or zincing? Comparing Features and Applications

In metalworking, including CNC machining, two of the most common finishing treatments are bluing and zincing. Both are used to enhance corrosion resistance and improve the aesthetic appearance of metal components, yet they differ significantly in terms of application process, protection level, and...

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Steel and Aluminium​

3 min read

Steel vs Aluminium: Which Material Is Best for Your Project?

When selecting materials for CNC machining, steel and aluminium emerge as two of the most common options, each with distinctive characteristics that influence design and production decisions. Understanding the differences between these two metals is crucial for optimising performance, costs and...

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CNC Machining for the Aerospace Industry

4 min read

How CNC Machining Supports the Aerospace Industry

The aerospace industry stands as one of the most technologically advanced and complex sectors. Here, precision, reliability, and resilience are not merely essential requirements, but fundamental pillars of production. Any margin of error, however minute, can compromise the performance and safety of...

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