NDLI: An Integrated Control System for Sheet Metal Flexible Forming on Multi-Point Die

Content Provider	IEEE Xplore Digital Library
Author	Chunguo Liu Mingzhe Li Zhen Sui
Copyright Year	2006
Description	Author affiliation: Roll-forging Res. Inst., Jilin Univ., Changchun (Chunguo Liu; Mingzhe Li)
Abstract	Multi-point forming (MPF) is a flexible forming method for sheet metal parts. It uses two reconfigurable pin groups which function as the stamping dies to form sheet. The height of each adjacent arranged pin is numerical controlled. The shape contour of the pin group can be changed via computer accordingly. The paper outlines the computer integrated control system for MPF process. It mainly includes MPF CAD/CAM software, tool control subsystem, and a measurement subsystem. The CAD/CAM software is for design of the pin group shapes, shape error compute etc. The tool control subsystem is a computer distributed control system based on industrial field bus. On the control of it, the heights of several hundreds pins are set to the desired height according to the data from host computer. The self developed laser scanning measurement subsystem is to measure the shape of formed part. After the MPF system was built, forming experiments were done. To overcome spring-back during forming, a non-parametric model was obtained by online identification with input and feedback spatial shapes. With that model the shapes of the two pin groups were predicted and used in the next cycle forming. The part shape converged to the designed shape gradually
Starting Page	6601
Ending Page	6605
File Size	359628
Page Count	5
File Format	PDF
ISBN	1424403324
DOI	10.1109/WCICA.2006.1714359
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Centralized control Shape measurement Design automation Computer aided manufacturing CADCAM Laser feedback Software tools Software measurement Software design Computer errors multi-point forming Integrated control system flexible forming
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
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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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