Internship presentation on solid works model
- 1. Jnana Sangama, Belgaum-59018 A presentation on internship carried out at, CENTRE FOR SYSTEM DESIGN (CSD), NITK Surathkal Presented by, JERIEL SEAN 4JK20ME009 Under the guidance of Internal Guide Dr. Sreejith B. K. Associate Professor Dept. of ME,AJIET External Guide DR. K. V. GANGADHARAN Co-Ordinator CSD,NITK Department Of Mechanical Engineering A J INSTITUTE OF ENGINEERING AND TECHNOLOGY MANGALURU-575006 1 VISVESVARAYA TECHNOLOGICALUNIVERSITY
- 2. Contents • Introduction • Task Performed • Reflection • Conclusion • Reference Dept of Mechanical Engineering 2
- 3. Introduction COMPANY PROFILE Dept of Mechanical Engineering 3 Name Centre for System Design (CSD) Address 2Q6V+9XX, NITK Rd, Srinivas Nagar, Surathkal, Mangalore, Karnataka 575025 Contact Number 0824 247 3915 Email csd@nitk.edu.in Website https://csd.nitk.ac.in/
- 4. About the Company Dept of Mechanical Engineering 4 • Centre for System Design - a centre of excellence at NITK Surathkal provides an interdisciplinary approach and means to enable the realization of successful engineering systems. • It is a key component for realizing a successful engineering system is system modeling & simulation, understanding system dynamics, system optimization, virtual and physical experimentation. • The Centre aims at facilitating and providing required environment and facilities for all the key components of system design. Fig.1: Working area of CSD
- 5. Fig. 2: CSD virtual lab • The Centre to provide environment to research how to address and solve problems that transcend traditional boundaries in engineering as modern engineering problems are comprised of elements from all the traditional engineering disciplines and these elements must be integrated into a functioning whole to meet the overall design objectives. • Presently NITK Surathkal has signed an MOU with National Instruments (NI) to setup the Centre for Graphical System Design. Dept of Mechanical Engineering 5 About the Company
- 6. Task Performed Week One Dept of Mechanical Engineering 6 Introduction to solid works: • A brief introduction about the solid works software, user interface and basic commands was given by the mentor . • Was asked to design a covering for geyser with mountings using drafting , the material used for the covering was acrylic sheet. • Was given task of reverse engineering a e-bicycle and to find solution for the problem regarding utility box. Fig.3: User interface of solid works
- 7. Dept of Mechanical Engineering Workshop on introduction to virtual labs & experimental learning: • Attended a workshop on “Virtual Labs and Experimental learning” which is an Initiative of Ministry of Education (MoE) under the National mission of Education through ICT held on 18/08/2023. • Virtual Labs enable the students to learn at their own pace and enthuse them to conduct experiments. • Virtual Labs also provide a complete learning management system where the students can avail various tools for learning, including additional web resources, video lectures, animated demonstration, and self-evaluation. Fig. 4: Certificate of the workshop on virtual labs 7
- 8. Gathering of the required data: Dept of Mechanical Engineering Fig. 5: The e-bicycle used for reverse engineering • To ensure compatibility and seamless integration with the e-bicycle's existing components, the dimensions of each part were meticulously measured. • The gathered measurements served as crucial inputs for designing the mudguard mount and utility box. • With the dimensions at hand, the next step involved selecting suitable designs for the mudguard mount and utility box, a thorough review of market-available designs was conducted. 8 Fig. 6: Measurements taken manually
- 9. Week Two Dept of Mechanical Engineering 9 Design of the frame: Fig.7: Frame • The design of an e-bike frame is crucial for its performance, comfort, and aesthetics. • Several factors must be considered during the design process – Material, Geometry, Motor Integration, Battery Placement • Additional Design Considerations – Suspension, Tire size and type, Braking system, Fenders and chain guards, Lights and reflectors.
- 10. Dept of Mechanical Engineering Fig. 8: Back wheel • The back wheel of an e-bike is a crucial component, playing a vital role in power delivery, comfort, and overall efficiency. • Some key considerations for its design:- Motor placement, Spoke count, Rim material, Tire selection, Braking system, Gearing, Weight distribution, Battery integration. • Additional Design Considerations – Mudguard mounts. 10 Design of the back wheel:
- 11. Dept of Mechanical Engineering Design of the front wheel: • The front wheel of an e-bike is a crucial component, playing a vital role in power delivery, comfort, and overall efficiency. • Some key considerations for its design:- Motor placement, Spoke count, Rim material, Tire selection, Braking system, Gearing, Weight distribution, Battery integration. • Additional Features:- Reflective decals, Mudguards, Lights. Fig. 9: Front wheel 11
- 12. Design of the sprocket with paddle link: Dept of Mechanical Engineering • The design of a sprocket with a paddle link for an e-bicycle requires careful consideration of several factors to ensure optimal performance and functionality. • The key design elements of Sprocket :- Material, Tooth Profile, Number of Teeth, Mounting. • The key design elements of Paddle Link :- Material, Shape, Integration, Adjustability. • Benefits of Using a Sprocket with Paddle Link :- Increased Efficiency, Reduced Strain, Enhanced Comfort. Fig. 10: Sprocket with paddle link 12
- 13. Week Three Dept of Mechanical Engineering 13 Design of the locking pin: • The locking pin plays a critical role in securing an e-bike, preventing unauthorized removal of the battery or other critical components. Its design needs to be robust, secure, and user-friendly. • Some key considerations: - Materials, Locking mechanism, Mounting. • The ideal design will strike a balance between security, convenience, and aesthetics. It should be tailored to the specific needs of the e-bike and its owner. Fig.11: Locking pin
- 14. Dept of Mechanical Engineering Design of the chain: Fig. 12: Chain • Designing a chain for an e-bike requires careful consideration of several factors due to the increased power and torque compared to a traditional bicycle. • Some key aspects to consider:- Material, Chain Pitch and Width, Durability and Wear Resistance, Corrosion Resistance. • Additional Features :- Safety, Matching the Drivetrain, Maintenance. 14
- 15. Dept of Mechanical Engineering Design of the paddle: Fig.13: Paddle • The design of an e-bicycle paddle requires careful consideration of several factors to ensure optimal performance, comfort, and safety. • Some key points to keep in mind:- Material, Shape, Attachments, Security. • Additional Features:- Reflectors, Integrated lights. 15
- 16. Dept of Mechanical Engineering Design of the disc brake: • E-bikes require robust braking systems due to the increased speeds achievable with electric assistance. Disc brakes are the preferred choice for e-bikes, offering superior stopping power and modulation compared to traditional rim brakes. • Key design considerations for e-bike disc brakes include:- Heat dissipation, Stiffness, Weight, Pad material. • Additional Features:- Regenerative braking, Anti-lock braking systems (ABS). Fig.14: Disc brake 16
- 17. Week Four Dept of Mechanical Engineering 17 Design of the brake caliper: • The brake caliper plays a vital role in the safety and performance of an e-bike. Unlike traditional bicycles, e-bikes often boast higher speeds and greater weight due to the electric motor and battery. • This necessitates a well-designed brake caliper that can provide exceptional stopping power, accurate control, and efficient heat dissipation. • Several factors are crucial in designing a brake caliper for e-bikes:- Caliper Type, Material, Piston Size, Rotor Compatibility, Pad Material, Weight. Fig.15: Brake caliper
- 18. Dept of Mechanical Engineering Design of the handle: • The design of an e-bike handlebar plays a crucial role in rider comfort, control, and overall riding experience. • Unlike traditional bicycles, e-bikes often incorporate additional features like throttle controls, display screens, and integrated lights, requiring a well-thought-out layout and ergonomic design. • Some key considerations for e-bike handlebar design :- Ergonomics, Functionality, Integrated displays, Folding mechanisms. Fig.16: Handle 18
- 19. Dept of Mechanical Engineering Design of the fork: • The fork is a crucial component of an e-bike, as it plays a vital role in providing stability and handling. • There are two main types of forks for e-bikes: suspension forks and rigid forks. • Suspension forks are designed to absorb bumps and vibrations, making for a smoother and more comfortable ride. • Some important factors to consider:- Material, Travel, Axle type, Brake mounts. Fig.17: Fork 19
- 20. Dept of Mechanical Engineering Design of the seat: • The design of an e-bicycle seat should prioritize both comfort and performance. Unlike traditional bicycle seats, e-bike seats need to accommodate the increased power and speed of electric motors. • This means providing adequate support and stability, while also minimizing pressure points and ensuring proper weight distribution. • Key features to consider include: - Ergonomic shape, High-quality cushioning, Ventilation channels, Lightweight design, Anti-slip surface. Fig.18: Seat 20
- 21. Design of the utility box: • The utility box for an e-bicycle should be designed with both form and function in mind. • It should be large enough to carry a variety of items, such as groceries, a backpack, or a helmet, but it should also be sleek and aerodynamic to avoid adding unnecessary drag. • The box should be made of a durable material, such as aluminum or plastic, that can withstand the elements. • It should also be easy to attach and detach from the e-bicycle, so that it can be removed when not in use. Fig.19: Utility box Dept of Mechanical Engineering 21
- 22. Reflection Dept of Mechanical Engineering 22 The internship assisted with career development by providing real work experience that provide students with opportunities to explore their interests and develop professional skills and competencies. During my internship experience with CSD NITK, I was able to reverse engineer the existing e-bicycle and find solution to the problem faced with the mudguard, also designed a utility box. The internship opportunity has helped me to understand and learn the following aspects: Navigate through the user interface of Solid works. Understand design process in Solid works. Design mechanical parts using solid modeling tools. Create mechanical assemblies. Collaborate with other members of the project and manage the data in the cloud. Managing Time and Prioritizing Tasks. Create drawings and renderings.
- 23. Conclusion Dept of Mechanical Engineering 23 • The process of reverse engineering an e-bicycle in SolidWorks has proven to be a valuable learning experience. It has provided a deeper understanding of the design and functionality of the e-bicycle, while also offering insights into the manufacturing process. • The use of SolidWorks software has been instrumental in this project. Its powerful 3D modeling tools have allowed for the creation of detailed and realistic models of the e-bicycle components. • Overall, this project has been a success, demonstrating the effectiveness of using SolidWorks for reverse engineering purposes. • This project has also opened up the possibility for further research and development, paving the way for future projects in the field of e-bicycle design and engineering.
- 24. References Dept of Mechanical Engineering 24 1. https://csd.nitk.ac.in 2. https://grabcad.com 3. https://solidworks.com
- 25. Dept of Mechanical Engineering 25 Certificate
- 26. Dept of Mechanical Engineering 26 THANK YOU!