NDLI: Methodology for Selection of Rapid Tooling Process for Manufacturing Applications

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Chan, W. Chung Hong, Joon Lee, Alex Ramani, Karthik Tomovic, Mileta
Copyright Year	2003
Abstract	Digital representation of geometry is transforming the methods for the manufacturing of products. Such transformations include a significant reduction in cost and leadtime to produce products and to increase the variety of products. The ability to produce tooling from material removal and additive processes has led to new methods to produce tooling from digital geometry representations. These include processes that are grouped together as fast-free-form-fabrication (FFFF) methods. In addition, other possibilities exist in modular tooling for generating variety and new processes/methods for producing such geometries. Also, conventional machining processes have improved significantly. As a result of these transformations, a tooling designer faces many choices of methods, materials, and lead-times to produce tooling. These decisions involve geometric reasoning coupled with other requirements based on production needs, cost constraints, and individual casting shop capabilities. This paper discusses a methodology for selection of rapid tooling (RT) processes based on a number of user-specified attributes and relative cost and lead-time comparisons across a wide spectrum of available RT processes. The method is based on a combination of weighted functionals and on the approximate mathematical models of metalcasting process costs and their lead-time. The method has been put on the Internet for easy access. It is currently limited to only several of the most common RT processes and materials. However, the database will be expanded in the future to include a majority if not all of the metalcasting processes.
Sponsorship	Mechanical Engineering Education
Starting Page	23
Ending Page	30
Page Count	8
File Format	PDF
ISBN	079183722X
DOI	10.1115/IMECE2003-41974
Volume Number	Innovations and Applied Research in Mechanical Engineering Technology
Conference Proceedings	ASME 2003 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2003-11-15
Publisher Place	Washington, DC, USA
Access Restriction	Subscribed
Subject Keyword	Geometry Casting Databases Rapid tooling Machining Manufacturing Additive manufacturing Internet Tooling
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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