Rapid prototyping pdf nptel lectures

Physical modelling for electronics enclosures using rapid prototyping. I 118 may 20 green hills engineering college solan himachal pradesh tech nical university hamirpur h. Engineering sciences rapid prototyping and rapid manufacturing applications at transilvania university of bra sov r. Rapid prototyping rp has revolutionized how prototypes are made and small batch manufacturing is carried out. He has developed suitable pedagogical methods for two undergraduate courses of. Rapid prototyping is a group of techniques used to quickly fabricate a scale model of a physical part or assembly using threedimensional computer aided design data. Haawk publishing, bmg rights management, bmi broadcast music inc. Smt prototyping lecture university of colorado boulder. Rapid prototyping rp is a popular technology that enables quick and easy fabrication of customized formsobjects directly from computer aided design cad model. Rapid prototyping courses from top universities and industry leaders. This allows the creators of the product to test their ideas and even get user feedback without having to fully flesh out, or even build, a full version of what they have in mind. Learn rapid prototyping online with courses like the hidden value lean in manufacturing and.

The computer model is sliced into thin layers and the part is fabricated by adding layers on to of each other. For example, a paper mockup wont form any part of a finished software implementation. Over the last few years, several studies have shown the potential advantages offered by rp. The economic benefits of ic are limited to mass production. Machining can require significant leadtimes several weeks, depending on part complexity and difficulty in ordering materials. The next three sections describe specific prototyping approaches. Computer numerical control cnc machines, gear cutting machines, nontraditional machine tools, rapid prototyping, together with numerical problem solving. Lecture notes engineering design and rapid prototyping. Review of rapid prototyping technology to shorten the. Rapid prototyping rp, also called solid freeform fabrication sff, builds intricate shapes through additive processes, creating components without the use of instruments. In recent years, rapid prototyping technology rpt has been implemented in many spheres of industry, particularly in the area of product development. With rapid prototyping, the strategies used to produce a part change a number of important considerations and limitations previously faced by tool designers and engineers.

This paper present an assessment of the of the art in respect to rapid prototyping processes. Nontraditional machine tools, rapid prototyping machines. Components can be manufactured without using dedicated tools. Enhance your skill set and boost your hirability through innovative, independent learning.

Construction of the part or assembly is usually done using 3d printing or additive layer manufacturing technology the first methods for rapid prototyping became available in the late 1980s and were used to produce models and. The new project manager, published by josseybass, 1994. Individual students have suggested the addition of a short and intense course of rapid prototyping, combined with design optimization. Within a limited time of 10 hours, this course would elaborate on the theory of metal cutting supplemented with numerical problems. K 12162011 1 contents history of rapid prototyping introduction basic process rapid prototyping techniques traditional development process versus rapid prototyping process performing rapid prototyping. We start the mold design by taking into consideration the. Rapid prototyping technology employs various engineering e. Lecture notes on college of engineering and technology. Lecture notes on rapid prototyping dr pramod kumar. Rapid prototyping technology principles and functional.

Rapid prototyping techniques are often referred to solid freeform fabrication, computer automated manufacturing or layered manufacturing. Prototyping, on the other hand, can be viewed a process floyd, 1984 which is either a welldefined phase within the software development life cycle, or is an approach that influences the whole of it budde et al. Now in its third edition, this textbook is still the definitive text on rp. Rapid prototyping can be linked to the rad rapid application development model, based on prototyping and iterative development. At arte tooling, for rapid prototyping supply we build the molds for plastic injection molding. Rapid prototyping ppt free download as powerpoint presentation. Nocphysical modelling for electronics enclosures using rapid prototyping. Rapid prototyping is a method of quickly creating an early version of a final product. Most commercially available rapid prototyping machines use one of six techniques. Licensed to youtube by haawk for a 3rd party on behalf of immediate music standard.

This course would encompass a comprehensive study of metal cutting and machine tools. Rapid prototyping, materials for rp and applications of rp. The high costs and long leadtime associated with the development of hard tooling for wax pattern moulding renders ic. Find materials for this course in the pages linked along the left.

Under the umbrella of the generic issue of rapid x there are some concepts such as. An important part of the creativity of a designer is to think about how you can rapidly prototype and get feedback on your ideas. The term rapid tooling rt is typically used to describe a process which either uses a rapid prototyping rp model as a pattern to create a mold quickly or uses the rapid prototyping process directly to fabricate a tool for a limited volume of prototypes. Rapid prototyping rp can be defined as a group of techniques used to quickly fabricate a scale model of a part or assembly using threedimensional computer aided design cad data. Prototyping is an iterative process and all prototypes provide information about. Smt prototyping an introduction to surface mount technology and soldering guest speakers nathan seidle founder and ceo of spark fun electronics matt bolton director of.

We will give a limited set of lectures on fundamental design theory and design. This modules lectures introduce storyboarding and several strategies and media for rapid prototyping, including paper, wizard of oz prototyping, and video. Rapid prototyping, terry wohlers wohlers report 2000 wohlers association 2000. Rt is distinguished from conventional tooling in that. Rapid prototyping, both offline and online, for early stages of design, iterative. At present, trade restrictions severely limit the importexport of rapid prototyping machines, so this guide only covers systems available in the u. Despite its uses in the software development industry, which we will outline in this post, rapid prototyping receives a fair amount of criticism from product managers and designers alike.

An appropriate analogy is a canoeist trying to negotiate his or her canoe down rapids. The top rapid prototyping programs and techniques for. Flowchart of engineering design and rapid prototyping class. Rapid prototyping also typically leaves enough time for several prototyping 1. Depending on the dimensions of the object, production times can be as long as a few days, especially with complex parts or when long cooling times are required. Lectures 1, introduction to rapid manufacturing part 1 of 3, dr.

Ppt rapid prototyping powerpoint presentation free to. Search by nptel course id, course name, lecture title, coordinator. Sales forecasting, forecasting system, qualitative methods of. Tool geometry, chip formation, cutting force calculations and measurement, tool wear and other aspects will be given due attention. Classification of manufacturing processes, different manufacturing systems, introduction to rapid prototyping rp, need of rp in context to. Rapid prototyping focused on preproduction visualization models. Investment casting ic has benefited numerous industries as an economical means for mass producing quality near net shape metal parts with high geometric complexity and acceptable tolerances. Sharma, department of mechanical engineering, iit roorkee. For the love of physics walter lewin may 16, 2011 duration. The needs for quick product development, decreased time to market, and highly customized and low quantity parts are driving the demand for rp technology. Rapid manufacturing of metallic parts or moulds, which include the direct and the indirect methods, is attracting manufacturers attention in the rapid prototyping rp field.

There would be discussions on mcq at the end of each week of lectures. Nptel provides elearning through online web and video courses various streams. Lectures 2, introduction to rapid manufacturing part 2 of 3. Modelling for electronics enclosures using rapid prototyping. Lecture 1 introduction to product design and manufacturing. Rapid prototyping ppt prototype computer aided design. Since 1988 more than twenty different rapid prototyping techniques have emerged. A 2001 survey of undergraduate students aeroastro there is a perceived lack of understanding and training in modern design methods using stateoftheart cadcaecam technology and design optimization. Physical modelling for electronics enclosures using. Rapid prototyping rp a family of unique fabrication processes developed to make engineering prototypes in minimum lead time based on a cad model of the item the traditional method is machining. Rapid prototyping materials, gurumurthi, iisc bangalore. Rapid prototyping and injection molding initially, rapid prototyping was used to produce models and prototype parts, while these days they are used for a wide range of applications, including the manufacture of productionquality parts.

Udacitys intro to programming is your first step towards careers in web and app development, machine learning, data science, ai, and more. One way to manage change is to harness its momentum and direct it in desired directions. Bulletin of the transilvania university of bra sov vol. This is a good mindset to have in early iterations, since it maximizes your creative freedom. The prototyping techniques well see in this lecture actually force you to throw the prototype away.

1445 605 572 100 1521 159 1581 444 1446 915 710 125 579 1050 382 1064 1089 1637 476 1142 284 1416 396 16 499 156 1029 75 139 711 1207 294 856 94 424 1326