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Use Cases > Automotive > Additive Manufacturing
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Additive Manufacturing

Additive manufacturing (AM) is one use case for 3D printing technology. The other primary use case is rapid prototyping. Both use cases refer to the processes of synthesizing a three-dimensional object from successive layers of material. These objects can be of almost any shape or geometry and are produced from a 3D model or other data source. Additive Manufacturing is currently much less common than rapid prototyping due to the higher standards for quality and cost competitiveness. It is relatively expensive and time consumptive to produce a prototype using traditional manufacturing technologies. 3D printers can dramatically cut both the cost and time in many cases. And the quality of a prototype can generally be below that of a finished product. In contrast, traditional manufacturing technology is excellent at mass-producing finished products. For this reason, Additive Manufacturing is currently used primarily to produce customized products, small batches of replacement components, and designs that are particularly challenging for traditional manufacturing processes.
Applicable Industries
  • Automotive
  • Transportation
Applicable Functions
  • Product Development
Market Size

The additive manufacturing and rapid prototyping industry are expected to reach over USD 20 billion by 2020.

Source: Capstone Headwaters

The overall 3D printing market is expected to grow from USD 9.9 billion in 2018 to USD 34.8 billion by 2024, at a CAGR of 23.25%.

Source: Markets & Markets

IDTechEx forecasts that the global market for 3D printing equipment, materials, software, and services is estimated to be worth USD 22 billion by the year 2028.

Source: IDTechEX

PR Newswire forecasts the global metal additive manufacturing market to grow at a CAGR of 21.36% during the period 2018-2022.

Source: PR Newswire


Business Viewpoint

What is the main business value of additive manufacturing (AM)?

The radically different production process enables the production of highly customized items on demand. Benefits include:

1. Mass Customization: With 3D printing, it is possible to produce low-volume batches down to a size of one. The economics of producing one product is the same as producing 100 or 1,000. Thus, AM can be applied when customization or small batches are required. 

2. Creating complex components: With 3D printing, it is possible to create shapes that can't be made by molding or machining. For example, new classes of physical, bio, and chemical sensors can all be fabricated via 3D printing technology. Companies are also experimenting with printed organs that are built from the cells of the recipient. 

3. Greener manufacturing: There are potential environmental benefits for 3D printing, which eliminates the transportation of components (often across thousands of miles). However, we cannot yet compare the environmental impact of traditional mass manufacturing against mass additive manufacturing.

What are the key specifications that additive manufacturing systems are rated?

Key specifications include quality of the end product, production rates (cycle time), dimensional precision, color merging & range, and the number of scraps.



Data Viewpoint

What data is required to enable additive manufacturing?

The design must be transmitted through CAD software to the printer. There is a wide range of professional grade and free software available for both the design and transmission of data. 

A growing number of software products enable design in collaboration with machine learning algorithms. These algorithms generate, test, and iterate thousands of designs to meet performance specifications provided for the end product. When machine learning is deployed, it can often be useful to seed the system with data sets in order to guide the development process. 



Deployment Challenges

What challenges constrain the use of additive manufacturing?

Common feasibility challenges include:

1. The high cost of 3D printing equipment: Equipment remains costly and many companies do not have sufficiently high uptime to maximize the value of their equipment.

2. The limited number of materials available and limitations on the ability to use different materials in the same design.

3. Post-processing requirements: In some cases post-processing can be expensive and require additional tooling.

4. The time required to print each component: At this point, the time and cost required to make one part may not be sustainable for a full fabrication project. 3D printing is not a substitute for precision machining centers and machinery that produce high-quality products in a timely manner.

5. Lack of formal standards: The lack of standards constrains the use of design data across different software programs or machines.

6. Lack of expertise and training: Few designers have a comprehensive understanding of both how to design using 3D printing software and the practical considerations that make additive manufacturing before or worse than traditional manufacturing in a specific case.



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