In modern product development, there is a major focus on optimising processes, reducing costs and shortening development times. Model Based Definition (MBD) is increasingly being used to fulfil this requirement.
Model Based Definition (MBD)
The future of engineering: Revolutionary 3D models as a central source of information.
Julian Karcher | 
Definition of MBD
MBD is a concept in which a 3D model of a product or component serves as the sole source of information for design, manufacturing and inspection. In contrast to the traditional 2D drawing, the 3D model contains all relevant product information, including dimensions, tolerances, materials, surface finish and assembly instructions.
Advantages of MBD
- Increased efficiency
By using a single 3D model, misunderstandings and errors can be reduced, leading to more efficient communication between teams. Information no longer needs to be interpreted multiple times or transferred manually, saving time and reducing the risk of errors.
- Cost savings
The elimination of 2D drawings and the reduction of rework helps to reduce production costs. In addition, the need for physical prototypes is reduced as simulations and validations can be carried out directly on the digital model.
- Improved quality
As all relevant information is contained directly in the 3D model, the accuracy and consistency of product documentation is improved. This leads to higher product quality and a lower probability of manufacturing errors.
- Better collaboration
MBD promotes collaboration between different departments by providing a centralised data set that can be used by all. This facilitates the exchange of information and improves communication between design, manufacturing and quality assurance teams.
Implementation of MBD
- Technological adjustments
Switching from 2D drawings to 3D models often requires investment in new software and training for employees. This can be costly and time-consuming initially, but is necessary to fully realise the benefits of MBD.
- Cultural change
Embracing MBD requires a cultural change within the organisation as the way of working and workflows change. Employees must be willing to adopt new technologies and methods, which is often a challenge.
- Interoperability
Compatibility between different CAD/CAM systems can be a challenge and hinder the seamless exchange of MBD data. It is important to develop standards and interfaces that enable the smooth exchange of data.
Long-term prospect
Model Based Definition (MBD) offers considerable advantages for product development by using 3D models as a central source of information. This method increases efficiency, reduces costs and improves quality by providing a consistent and comprehensive source of information. With the advancement of CAD/CAM technologies and increasing digitalisation, MBD could play a central role in product development. Companies that implement MBD at an early stage and overcome the associated challenges could benefit from these advantages and optimise their product development.
At Janus, we offer comprehensive services in the area of Model Based Definition. As an exclusive partner, we are characterised by our comprehensive support and in-depth expertise.
With model-based definitions, production gets the information it needs more quickly. Important dimensions or tolerances can be taken directly from the 3D model. You can also immediately see which surfaces are involved. All in all, MBD is the technology that will make manufacturing companies more efficient in the future and bring long-term market advantages.
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We are happy to help!
Julian KarcherCAx Pre-Sales Consultant
E-Mail: Julian.Karcher@janus-engineering.com
Autor des Beitrages / Author of the article
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