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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

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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Aluminium recycling

3 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, playing a crucial role in waste management and conserving natural resources. This metal, primarily used in the automotive, construction, and packaging industries, is highly recyclable: it can be...

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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

4 min read

PVC or Aluminium: Technical Differences in CNC Machining

In the world of industrial manufacturing and processing, selecting the right material is crucial to ensuring the quality, durability, and functionality of the final product. Among the most commonly used materials, PVC and aluminium are favourites due to their versatility and technical...

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sanding to smooth an object

3 min read

Perfect Finish in 3D Printing: How to Achieve Smooth Surfaces

3D printing is now a well-established technology that offers tremendous creative possibilities, but often printed models have uneven surfaces and visible layering. This is due to the layers being deposited one on top of the other, which is particularly noticeable with FDM (Fused Deposition...

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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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3D printed basketball

3 min read

Basketball and 3D Printing: The New High-Tech Balls

In recent years, 3D printing technology has made significant strides, finding applications in fields ranging from medicine to automotive and now extending into the world of sports. Among the most intriguing innovations is undoubtedly the 3D printed basketball, a true revolution that promises to...

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