THE FUTURE OF MAKING | 3D PRINTING

Additive manufacturing

Additive manufacturing is one of the prominent technologies shaping The Future of Making.

What is additive manufacturing

Additive manufacturing, also known as 3D printing, is a process used to create a physical (or 3D) object by layering materials one by one based on a digital model. Unlike subtractive manufacturing that creates its final product by cutting away from a block of material, additive manufacturing adds parts to form its final product.

Who uses additive manufacturing?

Additive manufacturing is primarily used by engineers, architects and construction managers and has replaced manual drafting. It helps users create designs in three dimensions to visualise construction and enables the development, modification and optimisation of the design process. This process helps engineers make more accurate representations and modify them more easily to improve design quality.

How is additive manufacturing used today?

  • Lightweight components

    One of the earliest ways to use additive manufacturing for industrial purposes, this practice is now becoming an industry standard. CAD-to-additive simulation technology is improving exponentially, helping accelerate the production of lightweight components.

  • Customised-tailored components

    The capability to customise and tailor products helps manufacturers quickly create and deliver customised solutions to clients.

  • On-demand production

    While prototyping is the original use of additive manufacturing, many companies are now delivering reliable 3D-printed finished goods in both commercial and industrial applications.

Additive manufacturing software

Types of additive manufacturing

Additive manufacturing can encompass multiple processes, depending on the hardware, material requirements and product application.

  • VAT PHOTOPOLYMERISATION

    A vat of photopolymer liquid is cured by focused UV light that builds parts layer by layer for a high-detail surface finish.

  • BINDER JETTING

    A powder substrate is hardened when the printing head deposits a drop of binding fluid in a layering process. Includes full-colour prototype fabrication.

  • MATERIAL JETTING

    Used where surface finish and form testing are needed; a printhead lays down successively solidifying layers of UV curable material to form prototyped designs.

  • MATERIAL EXTRUSION

    Fused deposition modelling is a common 3D printing process in which a heated nozzle extrudes a plasticised material to form products from a sliced CAD model.

  • POWDER BED FUSION

    Laser or electron beams quickly fuse layered powder material, such as various metals, together. This technique is used for circuits, structures and parts.

  • SHEET LAMINATION

    Ribbons of metal or paper are bonded through ultrasonic welding or adhesive, respectively; the finished shaping is completed through further material removal processes.

  • DIRECTED ENERGY DEPOSITION

    Repairs or adds to existing components by using a multi-axis nozzle to extrude laser-melted material, commonly metal powders, onto the printing surface.

  • METAL CASTING

    Using generative design and simulation software to produce complex metal parts helps manufacturers get more value from proven metal casting processes.

See how companies are using Autodesk’s additive manufacturing software

  • Large scale printing

    MAMBO

    Moi Composites created a 3D-printed boat design that would have been inconceivable to produce using traditional boatbuilding fabrication methods.

  • Transforming Construction

    LASIMM

    LASIMM was developed to reduce costs, increase efficiency and offer production flexibility, which are Europe’s core pillars to improve industrial competitiveness.

  • 3D printed propeller

    RAMLAB

    Port of Rotterdam's RAMLAB and Autodesk produce the world's first class certified 3D printed ship propeller.

How to design for additive manufacturing

Additive engineering is evolving at a rapid pace. 3D printing now involves metal laser sintering, powder bed fusion and even hybrid techniques involving casting and robotics.

Trends in additive manufacturing

Additive manufacturing has evolved rapidly in recent years. It has been embraced by major industrial companies looking for ways to improve their products. The ability to deliver near-instant parts production and fully customised designs that cannot be replicated with other manufacturing techniques has accelerated investment and research in additive engineering.

Additive manufacturing resources & tools

Learn more about additive manufacturing with these blogs, guides, tips and tutorials.

Unlock extra additive manufacturing technology in Fusion 360

The Fusion 360 Additive Build Extension allows you to select 3D print parameters, automatically orient parts and generate fully associative support structures for efficient programming. You can also quickly create subtractive finishing operations within the same Fusion 360 environment to machine precise features and achieve a high-quality surface finish.

Additive manufacturing FAQs

Below you will find answers to the questions we get asked the most about additive manufacturing and Autodesk’s software.

Additive manufacturing is used to produce lighter, stronger parts and systems with much greater efficiency. It has uses across a variety of industries including:

  • In aerospace and automotive, additive technology enables the fast production of lighter and stronger parts
  • In healthcare, it is possible to produce implants and other prosthetics
  • Dental and orthopaedic implants – these can be made cost effectively to the exact sizes needed for the patient (which are very individual in nature)
  • Jewellery manufacturing – complex and intricate designs can easily be produced
  • Low volume production – any industry which requires low volume production and/or benefits from rapid prototyping is ideal, including instrument mouthpiece making and component creation
  • Tool repair – fix and repair tools rather than replace them, which is both environmentally friendly and very cost-effective

Additive manufacturing provides a number of advantages for industrial use. Significantly, Additive technologies produce parts that are lighter, stronger and faster to create than their traditional counterparts.

Additive manufacturing, also known as 3D printing, is the process of adding material to create an object. Machines deposit material, layer upon layer, in precise geometric shapes and Computer-aided-design software or 3D object scanners are used to create models to direct the hardware.

A variety of materials are used in additive manufacturing, including metals, ceramics and glass. Each material has its own advantages and applications. Powders for 3D printing metals can range from titanium to alloys, to precious metals such as gold. Polymers (including ABS, PLA, PVA and polycarbonate) and metals (gold, stainless steel, silver, steel, titanium) are two of the most commonly used materials. There are many other materials which can also be used, including ceramics, glass, resin and potentially even human cells.

3D printing is a more consumer-friendly phrase and it’s becoming more and more popular in use than additive manufacturing. There are some subtle differences, however, and the term “additive manufacturing” can be used to refer to other processes such as rapid prototyping, whereas 3D printing is more restrictive.

The two phrases can best be defined as:

  • 3D printing: Fabrication of objects through the deposition of a material using a print head, nozzle or other printer technology
  • Additive manufacturing: Making objects from 3D data, usually layer upon layer

The technology offers many advantages over traditional manufacturing methods, such as flexibility, speed and cost reduction. As additive manufacturing is by definition an additive method, there is far less waste. Any powder left over in the machine can be reused for the next project, so nothing needs to be thrown away or scrapped. Conventional methods are subtractive (removing material to get the final result), which can result in up to 90% of material ending up as waste. Additionally, the precision which can be offered means that quality is higher and overall production times are reduced. Lastly, the flexibility over the design means there’s no need to have a “one size fits all” approach, resulting in more cost-effective processes.

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