Model-Based Definition (MBD) is more than just a buzzword; it’s a paradigm shift that is reshaping the industry.
This article delves into the revolutionary nature of MBD, as it emerges as a true game changer unlocking endless opportunities for collaboration and innovation – which are truly transforming design and manufacturing processes in ways never seen before.
The Future is No Longer 2D
First, let’s dive into the power of breaking down barriers and embracing new, innovative approaches that are shaping the future of engineering.
Engineering has come a long way since its inception, and visionary designers have always pushed the boundaries of what’s possible by refining designs using traditional 2D formats.
However, even today, many companies continue to use 2D design because it is familiar, comfortable, and has a lower initial cost.
While traditional 2D design formats have been the norm for many years, it’s essential to recognize that relying solely on these methods can have its drawbacks. There is a higher likelihood of errors, miscommunication, and inconsistencies, leading to numerous design reworks and prolonged time-to-market.
The good news is that the field of engineering has witnessed remarkable developments in recent years, offering new solutions that go beyond traditional 2D formats. By embracing cutting-edge technologies like computer-aided design (CAD) and 3D printing, engineers now have the ability to visualize, iterate, and perfect designs in a digital realm before bringing them to life.
With these advancements, designers can significantly minimize errors and improve precision, making the design process more efficient.
By shattering the limits of traditional 2D formats, engineers can unlock endless possibilities and transform the way designs are brought to life.
So, while traditional 2D design may be familiar and comfortable, it’s time for companies to embrace these new solutions and stay ahead of the curve.
Gone are the days of relying solely on traditional 2D formats and passing papers from design to the shop floor, hoping for a seamless transition.
Model-Based Definition (MBD) empowers engineers to go beyond these limitations and embrace a digital realm where designs are visualized, iterated, and refined with unprecedented precision.
But that’s just the beginning. MBD opens up a world of possibilities for collaboration and innovation. It enables seamless integration with cutting-edge technologies like computer-aided design (CAD) and 3D printing, making ideas come to life faster and more accurately.
Join us on this exhilarating journey as we uncover the potential of Model-Based Definition and explore how it is transforming the engineering landscape.
How MBD is Changing the Game
In today’s fast-paced manufacturing industry, the need for increased efficiency, accuracy, and innovation is more significant than ever before.
Yet, for countless years, 2D drawings have been the go-to deliverables for product definition.
These drawings have been used by Engineering, Manufacturing, and other users to communicate design form and fit information required to drive manufacturing processes.
But as we know today, In the realm of engineering and manufacturing, efficiency is paramount.
With the rapid advancement of technology, and the need to shorten product development cycles, 2D drawings have proven to be insufficient in some respects.
The ability to seamlessly communicate design intent and product specifications plays a critical role in achieving customer satisfaction and reducing errors. This is where Model-Based Definition (MBD) comes into the picture.
Unlike 2D models, which can be difficult to interpret and visualize, MBD enables stakeholders to better understand the design intent and product specifications.
With MBD, design iterations become faster and more efficient. Modifying the 3D model allows engineers to evaluate different design possibilities without the need to manually update multiple 2D drawings
Likewise, inherent to 2D models is the potential for errors and misinterpretation during the translation process. MBD eliminates this risk by embedding all the necessary information directly into the 3D CAD model.
Furthermore, traditional 2D models tend to require multiple drawings for comprehensive documentation, which can be time-consuming to create and maintain. MBD eases these processes by consolidating all the relevant information into a single digital model, which in-turn, simplifies the documentation process and makes it easier to update when changes are made.
While the transition to Model-Based Definition may require some initial investment and adjustment, the benefits far outweigh the challenges. MBD not only streamlines engineering and manufacturing processes but also improves collaboration, reduces errors, and enhances overall product quality.
Model-based definition offers a new way of thinking about and creating products.
What is Model Based Definition?
So, what is MBD?
Model-Based Definition is a revolutionary approach to creating 3D models so that they effectively contain all the data needed to define a product.
MBD defines the source of Product and Manufacturing Information (PMI) as the 3D model (Model-Based) to dictate a product’s features, tolerances, and other critical information.
By incorporating everything into the product definition, MBD aims to replace traditional 2D drawings with comprehensive 3D models. This involves attaching all the necessary geometric, dimensional, and other manufacturing information directly to the 3D CAD model, eliminating the need for separate 2D drawings.
As the manufacturing industry moves towards a more digitally connected and efficient future, Model-Based Definition is at the forefront of this revolution, paving the way for more effective product development and manufacturing practices.
The Future of Engineering: Embracing Model-Based Definition
Let’s talk abut how MBD works.
With MBD, the 3D CAD model becomes the primary source of information, acting as a complete and accurate representation of the product. The embedded data not only includes the physical characteristics but also encompasses vital manufacturing instructions, such as tolerances, surface finishes, and materials specifications.
Through MBD, the design becomes the authority, encapsulating all the essential information, such as geometric dimensions, tolerances, surface finishes, and more. This eliminates the need for separate documents or drawings, streamlining communication and ensuring consistency throughout the entire product lifecycle.
MBD replaces traditional 2D drawings with 3D models that contain all the critical information needed for design, manufacturing, and inspection processes. By embracing MBD, engineers can communicate complex design concepts more effectively, eliminating confusion and reducing errors.
The benefits of Model-Based Definition
Implementing Model-Based Definition offers numerous benefits and advantages for both engineering and manufacturing processes. Some of the key benefits include:
Enhanced Communication and Collaboration
MBD enables effective communication and collaboration among stakeholders in the product development process by embedding all necessary information in the 3D model, eliminating misinterpretation and confusion that often arise from relying solely on written documents.
Reduced Errors and Rework
MBD reduces risks of errors, misinterpretation, and rework by providing an all-inclusive 3D model that enables early detection of design issues through a proactive digital approach.
MBD simplifies documentation by automatically generating accurate and up-to-date technical information, eliminating the need for multiple 2D drawings. This consolidation into a single digital model streamlines understanding of product requirements, facilitates easy updates, and ultimately accelerates decision-making and development cycles.
Improved Design Iterations
With MBD, engineers can quickly modify the 3D model to explore design iterations and evaluate different possibilities. Since all the associated information is directly linked to the model, modifications can be made efficiently, without the need to manually update multiple 2D drawings. This allows for faster design iterations and enhances the overall design process.
Simulation and Analysis
MBD allows for the virtual simulation and analysis of the product’s behavior under various conditions. This enables engineers to optimize designs, test different scenarios, and make informed decisions without the need for physical prototypes.
Better Supplier Integration
Model-Based Definition facilitates seamless integration between different suppliers involved in the manufacturing process. By sharing the 3D model, suppliers gain a comprehensive understanding of the design intent and can provide more accurate quotes, reducing the back-and-forth communication and improving collaboration.
All these benefits lead to less time spent on design and more time spent on making actual products, which ultimately means more time making money.
By digitally defining product characteristics and specifications, MBD eliminates ambiguity and ensures accuracy throughout the entire design and manufacturing process.
In addition, MBD eliminates errors that would otherwise be introduced at the physical stage, caused by manual processes or human error in translating data from one tool into another.
Customer Success Stories
The accomplishment of implementing MBD and achieving success is not an unattainable long-term objective, but a tangible reality that many have already experienced.
Take the case of the Naval Air Warfare Center Aircraft Division (NAWCAD). They implemented MBD and saw several benefits, including an estimated $3M generated annually.
Another example is a case study from PTC, which describes how MBD was used to overcome delays in First Article Inspection (FAI). This case study found that MBD was the missing link to maximizing efficiency and reducing rework.
Additionally, a case study from Capvidia describes how MBD was used to improve process efficiency, reduce rework, create better products with faster time to market, and improve communication between departments.
Lastly, a case study from Springer describes how MBD was used to replace datasets of models and drawings, creating a “single source of truth”.
Numerous companies, among those mentioned and many others, have unveiled the advantages of MBD and have witnessed its profound impact on their manufacturing and engineering processes.
Implementing Model-Based Definition
Implementing model-based definition into your enterprise can be daunting if you’re not prepared for the change. Let’s talk about how to implement MBD despite some of the challenges that may come along the way.
Some challenges you may face include:
- Sharing the MBD model with manufacturers or downstream collaborators. Some manufacturers still use 2D prints and are not used to the concept yet.
- Currently, there’s no universal method to sharing the 3D models. Just like any time you use multiple software platforms, sharing 3D models can be difficult. Some CAD platforms use viewable tools (like Creo view) some use step files, and others use 3D PDFs.
- Lacking the ability to use the model throughout the whole enterprise for things like BOM, change management, quality, data management and revisions. However, Windchill is a great solution for helping with that!
To begin implementing MBD in a successful way, you must clearly define their objectives and identify the specific benefits they aim to achieve with MBD, such as improved communication, reduced errors, and streamlined workflows. It is important to engage key stakeholders from different departments, including design, engineering, and manufacturing, to ensure alignment and gather diverse perspectives.
The next step involves selecting the right software tools and technologies that support MBD, as well as providing comprehensive training and support to employees to enable smooth adoption. The company should establish clear standards and processes for creating and managing 3D models, including annotation, GD&T, and other product specifications.
Ongoing collaboration, regular reviews, and continuous improvement are crucial to refine and optimize the MBD implementation. By embracing MBD as a company-wide initiative and fostering a culture of innovation and collaboration, companies can successfully transition to a more efficient, accurate, and streamlined approach to product development.
While the transition to Model-Based Definition may require some initial investment and adjustment, the benefits far outweigh the challenges. It not only streamlines engineering and manufacturing processes but also improves collaboration, reduces errors, and enhances overall product quality.
Picture the future state of your company using Model-Based Definition with benefits such as:
- Creating reusable components instead of rewriting them
- Reducing errors during coding by using more precise specifications
- Getting feedback from stakeholders earlier in the process so changes can be made before they become expensive
- Improving team communication because everyone speaks “the same language.”
Model-Based Definition is undeniably an exciting advancement in the field of engineering. With its ability to enhance collaboration, unleash innovation, and redefine design and manufacturing processes, MBD is paving the way for a more efficient and effective engineering industry.
So buckle up and get ready to embrace this game-changing concept that will shape the future of engineering.
You can also talk to one of our experts to learn more about the benefits of MBD and what it would look like to implement it into your business.
Attention engineers! There’s an easier way to conduct Tolerance Analysis for your CAD designs.
Transforming CAD designs into real and tangible parts is not only rewarding on a personal level but also professionally fulfilling. It combines creativity, problem-solving, and hands-on experience, all culminating in the sense of accomplishment that comes from creating something real from an abstract concept.
However, as you already know, physical parts deviate from the idealized representation (the design model) due to many different challenges and manufacturing constraints. Tolerance analysis involves assessing the impact of variations in dimensions, geometries, and other parameters on the final product’s performance and functionality. By utilizing Tolerance Analysis, designers ensure proper fit and alignment of the product components.
Improve Quality & Design Innovation
If the goal is to improve quality and design innovation, enable your engineers to perform comprehensive tolerance stack-up analysis. Traditionally this process is a massive pain i.e. repetitive trial-and-error tasks and tedious testing. This part of the design process can be frustrating and often slows down design teams. However, it doesn’t have to be this way!
The PTC Creo EZ Tolerance Analysis Extension is a dynamic computer-aided engineering (CAE) tool powered by leading Sigmetrix technology. This extension helps designers by creating a faster, more intuitive workflow to assess the impact of dimensional specifications on your product designs before prototypes or production.
The software provides algorithms to help engineers identify the optimal tolerance values that meet the design objectives while considering various constraints. This aids in making informed decisions and reducing the time spent on manual analysis and evaluations.
By considering these variations even earlier in the design process, engineers can make more informed decisions to ensure that the final product will perform as intended. Cheers to reinforcing Closed Loop Manufacturing!
The Positive Business Outcomes of Using EZ Tolerance Analysis
Below is a high-level overview of the positive business outcomes this PTC solution proves to provide for manufacturing companies:
- Speed time to market
- Mitigate risk
- Improve productivity
- Reduce costs by reducing rework and scrap
How EZ Tolerance Analysis Makes Your Workflow Less Stressful
Intuitive User Interface
Achieve your goals efficiently with minimal frustration. The EZ Tolerance Analysis extension’s user-friendly UI enables you to maintain a flow and continue work without disruptions as it is integrated into the familiar Creo environment. This mitigates any steep learning curve and helps with productivity to get new users up and running quickly and confidently. If you need help getting set up with the technology, give us a shout. We can help maximize your workforce capabilities and your technology investment.
The EZ Tolerance Analysis software provides tools and features to manage complex designs efficiently. It offers intuitive interfaces and workflows that simplify processes regarding defining tolerance features. The extension extracts relevant information directly from your CAD models, reducing manual effort and potential errors. Visual dashboards: say goodbye to tedious spreadsheets.
Problem Identification and Resolution
No more flying blind, EZ Tolerance Analysis provides visualizations and statistical outputs that enable engineers to identify potential issues and bottlenecks in the assembly or system. After pinpointing problematic areas, engineers can devise effective solutions – such as adjusting tolerances, redesigning components, or modifying manufacturing processes.
Quick Iterative Design Refinement
Perform your “what-if” scenarios quickly and accurately. Using Sigmetrix technology, get immediate feedback on the effects of tolerance adjustments and trade-off analysis. Engineers can quickly refine and optimize tolerances based on the analysis results, reducing the time required for iterations.
The software facilitates collaboration among multidisciplinary teams involved in the design and manufacturing process. Easily share tolerance analysis data, models, and reports via HTML reports to ensure everyone comprehensively understands design intent and can make informed decisions. Visual and data-backed reports can be shared with the shop floor, suppliers, or other stakeholders, facilitating effective communication and collaboration. Providing clear documentation helps to minimize misunderstandings and costly mistakes, saving time and effort in the design and manufacturing process.
Standards and Specifications Compliance
Ensure compliance with built-in libraries of industry standards and specifications. Engineers can access these libraries to ensure that defined tolerances comply with the relevant standards. Ensure compliance with ASME and ISO standards for your designs and create products that align precisely with customer requirements while operating within acceptable tolerances. This feature helps streamline the process of defining tolerance features by providing pre-defined templates and guidelines that match industry requirements.
Overall, EZ Tolerance Analysis empowers engineers to make data-driven decisions, reduce uncertainty, and enhance the efficiency and quality of the design and manufacturing process. It aids in achieving design objectives, meeting customer requirements, and delivering reliable and cost-effective products.
Back-Up Your cad Designs with Stack-Up Analysis
The technology performs comprehensive tolerance stack-up analysis by applying two methods for increased accuracy and precision- worst-case analysis and statistical analysis.
Worst-Case Analysis: Worst-case analysis, commonly employed for critical components, examines the scenario where each component in the stack-up attains its maximum acceptable measurement.
Statistical Analysis: On the other hand, statistical analysis utilizes statistical distribution models to represent the variation of each component. These distributions are then combined to predict the overall distribution of the assembly measurement.
Related Technologies To Use With Tolerance Analysis
Combine Tolerance Analysis with Geometric Dimensioning and Tolerancing (GD&T) to ensure your designs comply with ASME and ISO standards. Or take your designs even further to contain all the data needed to define the product with model-based definition (MBD). With MBD, your model becomes the source authority across the enterprise. The outcome is shorter product development cycles, reduced costs, and enhanced product quality.
PTC continues its investments in enhancing simulation-driven design and generative design with the new Creo 10. Some new features include Rotational Symmetry, Mass Point Constraints, and Remote Loads. Additionally, Creo Simulation Live now includes Contact Simulation options and improved options for fluid and structural results. Creo Flow Analysis and Creo Simulation now have better animation and multibody support.
For more Simulation and Analysis, we also recommend PTC’s Creo Simulation Advanced powered by Ansys technology. The brand-new Creo Ansys Simulation Advanced analyzes nonlinear contact and materials, with combined thermal and structural analysis. For more information about the latest release of Creo 10 check out the blog here.