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

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2 min read

MJF component orientation: How to optimise an object for 3D printing?

MJFComponentOrientation

HP MJF 3D printinghas enormous advantages in terms of flexibility and ability to process a wide range of complex geometries compared to other additive manufacturing...

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hdt and vicat

2 min read

HDT and VICAT: thermal bending and penetration tests explained well

Material testing - Thermal Testing

The need for reliable data from repeatable tests that can be used by designers for material selection is the main reason why a number of standardized tests have been developed over time to characterise materials.

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charpy impact test 3d printing

1 min read

3D Printing Material testing - Impact test: Charpy

Material testing - Impact test: Charpy

The need to get reliable data from repeatable tests that can be used by designers for the material choice is the main reason why a number of standardized tests have developed over time to define materials.

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stl file for 3d printing

4 min read

The Guide to Creating .STL Files Perfect for 3D Models and 3D Printing

What is a .STL file?

STL is a standard format for 3D models. 3D geometry is described by a mesh of triangles and dimensional information is contained in each individual triangle. Unlike other CAD formats, the object appears to be formed only by the external surface or "skin". The information of...

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fdm 3d printing

8 min read

The Ultimate Guide to Choosing the Best Material for FDM 3D Printing

Introduction

The advent of FDM 3D printing technology (an acronym for Fused Deposition Modeling) has rapidly attracted an ever-increasing curiosity, both from the industry and the community of makers and hobbyists.To attract attention to this technology, it was the possibility of creating a model...

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peek 3d printing

1 min read

PEEK: All about Plastic Polymer with Aluminium-like Properties

What is PEEK?

PEEK (polyether ether ketone) is an organic thermoplastic polymer belonging to the family of polyetherketones, often referred to as the king of polymers, thanks to a fantastic mix of very high mechanical, thermal and chemical properties.

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various materials for CNC machining

5 min read

Guide to Choose the Best Material to Realize your CNC Parts

introduction

When you go to create prototypes or parts for customized projects or for replacement, the choice of material is a very important phase of the design.Different materials used for the same design, even belonging to the same family, can have very different performances.Therefore it is ...

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rapid prototyping

4 min read

Rapid Prototyping: Purpose, Advantages, Costs

Introduction

With the advent of new technologies such as 3D Printing, the Prototyping and Development process of all companies has been revolutionized: this is how Rapid Prototyping was born.The need to shorten the development phase of a product to anticipate the release of production on the market...

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3d printer FDM and MJF

5 min read

MJF vs FDM 3D Printing: Comparison and Considerations

Since its inception in the 1980s, additive printing or 3D printing technology has evolved into various technologies. Today in this article, we will compare the two most popular and versatile 3D printing methods today: the very popular FDM 3D printing and Multi Jet Fusion technology. The latter,...

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Materials printed with MJF (multi jet fusion)

2 min read

Multi Jet Fusion (MJF) HP 3D Printing Materials and Properties

With HP's introduction ofMulti Jet Fusion technology, many things have changed in the 3D printing industry: the production capacity often 10 times higher than the old SLS technology, an uptime close to 100%, a very affordable production cost, but above all the production of excellent functional...

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