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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

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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Brinell Test diagram

3 min read

Brinell Test: What It Is, How It Works and When to Use It (2026 Guide)

The Brinell test is one of the oldest and most reliable methods for measuring the hardness of materials, particularly metals.Even today it is widely used in metallurgy, quality control, industrial production and research, especially when analysing heterogeneous or coarse-grained materials.

In this...

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Young's modulus graph

2 min read

Young’s Modulus: What It Is, How It’s Calculated and Why It Matters

Young’s modulus, also known as the longitudinal modulus of elasticity, is one of the most important mechanical properties of materials. It is used daily in engineering, mechanical design and 3D printing to evaluate a material’s stiffness.

Understanding Young’s modulus means being able to predict...

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One galvanised steel and one non-galvanised steel

3 min read

Galvanisation: Types of Zinc Coating, Benefits and Differences

Galvanisation is one of the most effective and widely used surface treatments for protecting steel and other metals from corrosion, oxidation and wear.Used for over 150 years in construction, mechanical engineering and the automotive industry, it is now an essential industrial standard for...

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304 and 316 stainless steel parts

2 min read

Stainless Steel 304 and 316: Comparison Between the Two Grades of Stainless Steel

Stainless steel is one of the most widely used materials in modern industry thanks to its corrosion resistance, durability, and versatility.Among the most common alloys are two main types: stainless steel 304 and stainless steel 316.At first glance, they may appear similar, but they differ in ...

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Two 3D printed pieces: one in PLA and one in ABS

2 min read

PLA vs ABS: Technical Comparison Between FDM 3D Printing Materials

In the world of FDM (Fused Deposition Modelling) 3D printing, material selection is a key factor in determining the quality, functionality, and longevity of the final part. Among the most widely used materials are PLA (Polylactic Acid) and ABS (Acrylonitrile Butadiene Styrene).

While PLA is often...

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PPS CF Joint

2 min read

PPS CF: The New High-Performance Material for Weerg 3D Printing

Starting today, Weerg expands its range of FDM 3D printing materials with the introduction of PPS CF (carbon fiber-reinforced polyphenylene sulfide), a carbon fiber-reinforced engineering polymer that offers exceptional mechanical strength, thermal stability and stiffness.

Weerg expands its range...

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Nylon PA11 second generation piece

2 min read

Nylon PA11 for MJF 3D Printing: 2026 Guide to the Second Generation

HP Multi Jet Fusion (MJF) 3D printing technology continues to evolve through the introduction of new high-performance materials — and leading the way is the new Nylon PA11 Gen 2.This material marks a significant step forward compared to the previous version, offering greater reliability, improved...

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