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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 (3)

Graphic on the chemical structure of polymers

2 min read

What Are Polymers: Types, Properties and Applications

Polymers are everywhere: in everyday objects, electronic devices, synthetic fabrics, 3D printing materials, mechanical components, and even in our own bodies.

Despite their ubiquity, the concept of a "polymer" can seem abstract: what are they really? How are they formed? Why are they so versatile?

...

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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 it comes to selecting materials for CNC machining, steel and aluminium stand out 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 essential for optimising...

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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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Aluminium recycling

2 min read

How Aluminium Recycling Works and Why It’s So Important

Aluminium recycling is one of the most efficient and environmentally sustainable industrial processes available today.A key element in waste management and in reducing the consumption of natural resources, it stands as a cornerstone of the modern circular economy.

In the following guide you will...

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Soft Metals

4 min read

Characteristics and Applications of Major Soft Metals

Soft metals are a category of metallic materials characterized by high malleability and ductility, making them easy to work with through mechanical deformation processes such as rolling, drawing, and stamping. Unlike harder or more resistant metals, soft metals can be shaped under relatively low...

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pvc and aluminium

2 min read

PVC or Aluminium: Technical Differences in CNC Machining

In the world of industrial production and CNC machining, choosing the right material is a crucial step in achieving quality, precision and long-lasting performance.Among the most in-demand materials are PVC and aluminium, both versatile and widely used, but fundamentally different in terms of ...

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sanding to smooth an object

3 min read

How to Make 3D Prints Smooth: Best Methods for Perfect Finish

One of the most common challenges in 3D printing is achieving a smooth surface finish.Visible layer lines, rough textures, and small imperfections are especially common in FDM prints, but even resin and powder-based prints may require post-processing to look truly professional.

In this guide,...

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heat-resistant material

4 min read

Guide to High-Temperature-Resistant Materials for 3D Printing

3D printing has revolutionised the way we design and produce components and objects, offering unprecedented flexibility in material selection. This technology allows for the precise production of complex parts, but choosing the right material is essential to ensure that printed components can...

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