Tiêu đề 06_ Rapid Prototyping.pdf ✅

Topic: Rapid Prototyping Rapid Prototyping: Principles of Rapid prototyping, Rapid Prototyping technologies (RPT), RPT in industrial design. Dr. R. K. Kumawat Assistant Professor Department of Mechanical Engineering I. K. Gujral Punjab Technical University, Amritsar Campus Course: B. Tech Subject: Product Design & Development. Disclaimer: The content is exclusively meant for academic purposes and for enhancing teaching and learning. Any other use for economic/commercial purpose is strictly prohibited. The users of the content shall not distribute, disseminate or share it with anyone else and its use is restricted to advancement of individual knowledge.
Unit: 06 Rapid Prototyping Dr. R. K. Kumawat Rapid Prototyping 1 Introduction With approximately 30,000 new products launching each year, how can your brand stand out? One of the best ways is to use a prototype early in the development stage. Prototyping is defined as the creation of functional or non-functional samples to help validate ideas, test designs, and acquire approvals. Essentially, it’s the step where your big ideas are put to the test. The goal of your concept models is to help your team learn what works, what doesn’t work, and where improvements can be made. Gaining these valuable insights makes it possible to pivot if needed and finalize your product into one that has everything consumers need and expect from your brand. Your prototype can be manufactured in several different ways by expert engineers. With the innovative techniques in place today, prototyping engineers can take almost anything you can envision and turn it into a tangible object ready for evaluation. Commonly used prototyping tools include: • Multi jet fusion (MJF) • Selective laser melting • Stereolithography (SLA) • CNC machining • Injection moulding • Urethane casting In an engineering product design context, a prototype is a preliminary version of the end-product used to evaluate the design, test the technology, analyse the working principle, and provide final product specifications. Prototypes are an integral part of engineering product design and, more importantly, in new product development. 2 Rapid Prototyping Rapid prototyping is a relatively new term and, in its simplest form, creating a prototype quickly to visually and functionally evaluate a part or some part features of the product. Rapid prototyping creates a preliminary product version to evaluate the design and its functionality. Rapid prototyping is basically an additive manufacturing process used to quickly fabricate a model of a part using 3-D CAD data. It can also be defined as layer-by-layer fabrication of 3D physical models directly from CAD (Computer Aided design).
Unit: 06 Rapid Prototyping Dr. R. K. Kumawat 3 Fundamentals of Rapid Prototyping There are 4 primary areas for the development of rapid prototyping: • Input Input refers to describing the physical object with 3D data. Its starting point can be a computer model or physical model. A computer model is created by a CAD system while the physical model requires data acquisition through "reverse engineering". • Method The method that is employed by each RP business is classified into different categories:  Photo-curing  Cutting and gluing/joining  Melting and solidifying/fusing and joining/binding • Materials The initial state of the prototype material can be either in solid state, liquid state or powder state. It can also be in the range of paper, nylon, wax resins ceramics and metals. • Applications Rapid prototyping applications can be grouped into design, engineering, analysis and planning, tooling and manufacturing. Rapid prototyping can also benefit various industries such as in aerospace, automotive, biomedical, electrical products, etc. 4 Techniques or technologies of Rapid Prototyping / RPT in industrial design • 3D Printing 3D printing is a process of making three-dimensional solid objects from a digital file. This is achieved using an additive process. Additive process is done by laying down successive layers of material until a final product is created. 3D printing enables you to produce complex shapes using fewer materials. Below are some experimental RP methodologies that are used nowadays. Fundamentals of Rapid Prototyping Input Method Material Application