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

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3D Printing

Resin wheel of Volkswagen

5 min read

5 Applications of SLA Resin

If you think of SLA resin, you probably picture small translucent models, aesthetic prototypes, or display miniatures. It's a widespread perception — and a completely mistaken one.

In recent years, the applications of SLA resin have expanded dramatically. Thanks to technical materials such as Rigid...

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Resin piece of Volkswagen

5 min read

SLA Resin 3D Printing: Why Volkswagen, Ford and Unilever Use It

The galvanisation of an SLA resin print triples its breaking load, quadruples its stiffness, and improves flexural resistance by nearly 10 times. This is the finding that convinced Volkswagen to choose SLA 3D printing — rather than a metal printer — to produce the wheel covers for the "Type 20"...

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3D printed parts made of TPE

3 min read

TPE: What Is a Thermoplastic Elastomer and How It Is Used

TPE (Thermoplastic Elastomer) is a class of polymer materials that combines the elastic properties of rubber with the processability of thermoplastics.Thanks to this unique combination, TPEs are increasingly used in sectors such as automotive, electronics, consumer goods, medical applications, and ...

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TPU parts

2 min read

3D-Printed TPU: A Flexible Solution for Impact and Vibration

When discussing industrial 3D printing, most projects focus on rigid materials.But what happens when flexibility, impact resistance and vibration damping are required?

This is where TPU (thermoplastic polyurethane) comes into play.

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FDM part measured with calibre

3 min read

Metrology: What It Is and How It Is Used in Industrial Manufacturing

Metrology is the science of measurement and represents one of the fundamental pillars of modern industry. Without precise and reliable measurements, it would be impossible to guarantee product quality, compliance with tolerances, and the repeatability of manufacturing processes.

In particular, ...

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Thermoplastic and thermosetting polymer structure

2 min read

Thermoplastic and Thermosetting Polymers: Differences and Uses

Polymers represent one of the most versatile families of materials in modern industry. Within this category, the fundamental distinction is between thermoplastic polymers and thermosetting polymers: two classes with profoundly different behaviour in relation to heat, processing and final use.

...

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Yield Strength

3 min read

Yield Strength: Elastic Limit of Materials

Yield strength is one of the most important mechanical properties of materials, especially in engineering, structural design, CNC machining and 3D printing.It defines the limit beyond which a material begins to deform permanently. Knowing it is essential for designing safe, reliable and durable...

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Graph on the coefficient of friction

2 min read

Coefficient of Friction: what it is and why it is essential

The coefficient of friction (μ) measures the resistance to sliding between two surfaces in contact. It is a key parameter in mechanical design because it affects wear, energy efficiency, accuracy, noise and component lifetime, both in industrial 3D printing and in CNC machining.

Understanding and...

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CBAM

3 min read

CBAM Regulation: What It Is, How It Works and Weerg Compliance

The CBAM regulation (Carbon Border Adjustment Mechanism) represents one of the key pillars of the European strategy for industrial decarbonisation and for protecting the competitiveness of companies that produce sustainably within the European Union.

Introduced by the European Union, CBAM has a...

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3D printed nylon piece

3 min read

Nylon: Uses, Industrial Applications and Advantages

Nylon is one of the most widely used plastic materials in the world.Thanks to its combination of strength, light weight, flexibility and durability, it is used in sectors ranging from clothing to mechanical engineering, from automotive to 3D printing.

In this 2026 guide you will discover:

1. What...

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