JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Overview

Course Overview: Introduction: Need for the compression in product development, Fusion Decomposition Modeling, Concepts Modelers, LASER ENGINEERING NET SHAPING, Rapid Manufacturing Process Optimization.

Course Objectives

The objectives of this course are

• 1. Develop an understanding of the emerging technologies of rapid prototyping, rapid manufacturing, and rapid tooling.
• 2. Develop a degree of competency in the evaluation of various rapid manufacturing and rapid tooling technologies and their application in modern manufacturing processes.
• 3. To provide knowledge on advances in injection moulding process, and
• 4. To develop competency in plastic filling simulation software to improve the performance of injection moulding.

Course Outcomes

On completion of this course, students will be able to

• 1. Apply the basic principles of rapid prototyping (RP), rapid tooling (RT), and reverse engineering (RE) technologies to product development;
• 2. Decipher the limitations of RP, RT, and RE technologies for product development; realize the application of RP, RT, and RE technologies for product development.

UNIT - I

Introduction: Need for the compression in product development, History of RP system, Survey of applications, Growth of RP industry and classification of RP system. Stereo Lithography System: Principle, Process parameter, Process details, Data preparation, Data files and machine details, Applications.

UNIT - II

Fusion Decomposition Modeling: Principle, process parameter, Path generation, Applications. Solid ground curing: Principle of operation, Machine details, Applications, Laminated Object Manufacturing: Principle of Operation, LOM materials, Process details, Applications.

UNIT - III

Concepts Modelers: Principle, Thermal jet printer, Sander’s model market, 3-D printer, Genisys Xs printer HP system 5, Object Quadra system.

R16 B.TECH MSNT.

UNIT - IV

Laser Engineering Net Shaping (Lens): Rapid Tooling: Indirect Rapid tooling- Silicon rubber tooling- Aluminum filled epoxy tooling Spray metal tooling, Cast kriksite, 3Q keltool, etc, Direct Rapid Tooling Direct. AIM, Quick cast process, Copper polyamide, Rapid Tool, DMILS, Prometal, Sand casting tooling, Laminate tooling soft, Tooling vs. hard tooling. Software for RP: STL files, Overview of Solid view, magics, imics, magic communication, etc. Internet based software, Collaboration tools.

UNIT - V

Rapid Manufacturing Process Optimization: Factors influencing accuracy, Data preparation error, Part building error, Error in finishing, Influence of build orientation. Allied Process: Vacuum casting, surface digitizing, and Surface generation from point cloud, Surface modification- Data transfer to solid models.

TEXT BOOKS:

• 1. “ stereo lithography and other RP & M Technologies”, Paul F.Jacobs, SME, NY 1996
• 2. “ Rapid Manufacturing ”, Flham D.T & Dinjoy S.S, Verlog London 2001

REFERENCE BOOKS:

• 1. Terry Wholers, “Wholers report 2000”, Wholers Associates, 2000.
• 2. “Rapid automated”, Lament wood, Indus Press New York.
• 3. Rapid prototyping principles and applications, Rafiq Noorani R16 B.TECH MSNT.