Acknowledgements The work reported here has been done at Indian Institute of Technology, New Delhi. The majority of the work reported is done under the sponsorship of the Department of Electronics, Government of India, over a period of five years. A large number of students (A.V.S.R.K. Prasad, G. Manidhar, Vijay Arora, S.K. Gupta, and others) have worked in this period for their masters and doctoral programs in the area of CAPP and are responsible for developing part of the ideas. The assistance received from Bharat Heavy Electricals Limited, Bhopal, in the system development and proving is gratefully acknowledged. References 1. Arora, V., 1991, Pocket Identification and Setup Planning in Computer Aided Process Planning of Rotational Parts, Unpublished M. Tech. Thesis, NC Laboratory, Department of Mechanical <strong>Engineering</strong>, Indian Institute of Technology, New Delhi, India. 2. Balakrishnan, P. and DeVries, M. F., 1982, A review of computerized machinability data base systems. Proceedings of 10th North American <strong>Manufactur</strong>ing Research Conference, 348–386. 3. Beightler, C. S. and Phillips, D. T., 1976, Applied Geometric Programming, John Wiley and Sons, Inc, NY. 4. Brewer, R. C. and Rueda, R., 1963, A simplified approach to the optimum selection of machining parameters. Engineers’ Digest, 24(9), 133–151. 5. Brown, R. H., 1962, On the selection of economical machining rates. International Journal Production Research, 1(1), 1–22. 6. Butterfield, W. R., Green, M. K., Scott, D. C., and Stoker, W. J., 1986, Part features for process planning, CAM-I report: C-85-PPP-03. 7. Case, K. and Gao, J., 1993, Feature technology: an overview, Int. J. Computer Integrated <strong>Manufactur</strong>ing, 6(1&2), 2–12. 8. Chandrupatla, T. R. and Belegundu, A. D., 1991, Introduction to Finite Elements in <strong>Engineering</strong>, Prentice-Hall, New Delhi. 9. Chang, T. C. and Wysk, R. A., 1981, An integrated CAD/automated process planning system, AIIE Transactions, 13(3), 223–233. 10. Chang, T. C. and Wysk, R. A., 1984, Integrating CAD and CAM through automated process planning, International Journal of Production Research, 22(5), 877–894. 11. Chen, S. J., Hinduja, S., and Barrow, G., 1989, Automatic tool selection for rough turning operations, Int. Journal of Machine Tools and <strong>Manufactur</strong>e, 29(4), 535–553. 12. Chua, M. S., Loh, H. T., Wong, Y. S., and Rahman, M., 1991, Optimization of cutting conditions for multipass turning operations using sequential quadratic programming. Journal of Materials Processing Technology, 28(1/2), 253–262. 13. Clark, A. C. and South, N. E., 1987, Feature based design of mechanical parts, Proc. AUTOFACT 87, 169–176. 14. Colding, B. N., 1992, Intelligent selection of machining parameters for metal cutting operations: the least expensive way to increase productivity. Robotics & Computer Integrated <strong>Manufactur</strong>ing, 9(4/5), 407–412. 15. Crookall, J. R., 1969, The performance-envelope concept in the economics of machining. International Journal of Machine Tool <strong>Design</strong> and Research, 9, 261–278. 16. Cunningham, J. J. and Dixon, J. R., 1988, <strong>Design</strong>ing with features: the origin of features, Proc. ASME Computers in <strong>Engineering</strong> Conf., v. 1, San Francisco, USA, 237–243. 17. Dixon, J. R., Cunningham, J. J., and Simmons, M. K., 1987, Research in designing with features, Intelligent CAD, I, (Ed.), Yoshikawa, H. and Gossard, D., Proc. IFIP TC5/WG 5.2 Workshop on Intelligent CAD, Boston, MA, 137–148.
18. Domazet, D. S. and Lu, S. C. Y, 1992, Concurrent design and process planning of rotational parts, Annals of the CIRP, 41(1), 181–184. 19. Dong, X. and Wozny, M. J., 1990, Feature volume creation for computer aided process planning, in: Geometric Modeling for Product <strong>Engineering</strong>, (Ed.) Wozny, M. J., Turner, J. U. and Priess, K., Elsevier Science Publishers B. V., North Holland, 385–403. 20. Drake, S. and Sela, S., 1989, A foundation for features, Mechanical <strong>Engineering</strong>, 111, 66–73. 21. Ermer, D. S. and Kromodihardjo, S., 1981, Optimization of multipass turning with constraints. Journal of <strong>Engineering</strong> for Industry, Transactions of ASME, 103(4), 462–468. 22. Evershiem, W. and Holz, B., 1982, Computer aided programming of NC machine tools by using the system AUTAP-NC, Annals of the CIRP, 31(1), 323–327. 23. Faux, I. D., 1988, Modeling of components and assemblies in terms of shape primitives based on standard D & T surface features, in: Geometric Modeling for Product <strong>Engineering</strong>, (Ed.) Wozny, M.J., Turner, J. U., and Preiss, K., Elsevier Science Publishers B. V., North-Holland, 259–275. 24. Gindy, N. N. Z., Huang, X, and Ratchev, T. M., 1993, Feature-based component model for computer-aided process planning systems, Int. J. Computer Integrated <strong>Manufactur</strong>ing, 6(1&2), 20–26. 25. Gindy, N. N. Z., 1989, A hierarchical structure for form features, Int. J. Prod. Res., 27, 2089–2103. 26. Gossard, D. C., Zuffante, R. P., and Sakurai, H., 1988, Representing dimensions, tolerances and features in MCAE systems, IEEE Computer Graphics & Applications, March, 51–59. 27. Gupta, N. and Kapoor, S., 1986, Computer Aided Process Planning and Part Programming for CNC Turning Centers Using Group Technology, Unpublished B.Tech. Thesis, N C Laboratory, Department of Mechanical <strong>Engineering</strong>, Indian Institute of Technology, New Delhi, India. 28. Halevi, G. and Weill, R., 1985, Influence of manufacturing tolerances on fixturing of machined parts in process planning systems, 1st CIRP Working Seminar on CAPP, Paris, 31–34. 29. Halevi, G. and Weill, R. D., 1995, Principles of Process Planning A Logical Approach, Chapman & Hall, London. 30. Hati, S. K. and Rao, S. S., 1976, Determination of optimal cutting conditions using deterministic and probabilistic approaches. Journal of <strong>Engineering</strong> for Industry, Transactions of ASME, 98(1), 354–359. 31. Hayes, C., 1990, Machine Planning: a Model of an Expert Level Planning process, Ph.D. thesis, The Robotics Institute, Carnegie Mellon University, Pittsburgh, PA. 32. Hayes, G. M. and Davis, R. P., 1979, A discrete variable approach to machine parameter optimization, AIIE Transactions, 11(2), 155–159. 33. Henderson, M. R. and Anderson, D. C., 1984, Computer recognition and extraction of form features: A CAD/CAM link, Computers in Industry, 5(4), 329–339. 34. Hinduja, S. and Barrow, G., 1986, TECHTURN: a technologically oriented system for turned components, Proc. 1st Int. Conf. on CAPE, Edinburgh, UK, 255–260. 35. Hinduja, S. and Huang, H., 1989a, OP-PLAN: an automated operation planning system for turned components, Proc. of Inst. of Mech. Engrs., 203(B3), 145–158. 36. Hinduja, S. and Huang, H., 1989b, Automatic determination of workholding parameters for turned components, Proc. of Inst. of Mech. Engrs., 203(B2), 101–112. 37. Hinduja, S., Petty, D. J., Tester, M., and Barrow, G., 1985, Calculation of optimum cutting conditions for turning operations. Journal of <strong>Engineering</strong> <strong>Manufactur</strong>e, Proceedings of Institution of Mechanical Engineers, 199(B2), 81–92. 38. Iwata, K. and Arai, E. ,1983, Development of integrated modeling system for CAD/CAM of machine products, in: Advances in CAD/CAM, (Ed.) Ellis, T.M.R. and Semenkov, O. I., North Holland Publishing Company. 39. Iwata, K., Murotsu, Y., and Oba, F., 1977, Optimization of cutting conditions for multipass operations considering probabilistic nature in machining processes. Journal of <strong>Engineering</strong> for Industry, Transactions of ASME, 99(1), 210–217.
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COMPUTER-AIDED DESIGN, ENGINEERING,
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Library of Congress Cataloging-in-P
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Editor Cornelius T. Leondes, B.S.,
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Chapter 1 Chapter 2 Chapter 3 Chapt
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the implementation of the IPD syste
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In our IPD system implementations,
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2. Specification of analysis-specif
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FIGURE 1.2 base or the design insta
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FIGURE 1.4 System architecture of t
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of a beam is considered for FEA. Th
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FIGURE 1.7 through the control expe
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2. machining facility (e.g., gang m
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from the FBDS. The user also specif
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Depending on the type of feature to
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TABLE 1.6 Tolerance synthesis is de
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FIGURE 1.12 Display of the NC tool
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component geometric entities and va
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FIGURE 1.14 The system architecture
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TABLE 1.10 User Input for the Toler
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TABLE 1.11 Tolerance Specifications
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7. Z. Young and I. R. Groose. A rul
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FIGURE 2.1 Tool paths generated for
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FIGURE 2.2 sented by instances of f
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TABLE 2.1 A CAD-Generated Hole Conf
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FIGURE 2.6 mounted on the rotary ta
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FIGURE 2.8 fixture for the machinin
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FIGURE 2.10 or best-fit, or the cur
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FIGURE 2.11 Linear approximation of
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FIGURE 2.13 Circular approximation
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FIGURE 2.14(b) Circular approximati
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FIGURE 2.16 Types of biarcs. FIGURE
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FIGURE 2.18 Approximation of scanne
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FIGURE 2.20 A touch trigger probe c
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TABLE 2.4 Substitute Elements in CM
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FIGURE 2.21 CMM planning requiremen
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Product Model Representation for Co
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© 2001 by CRC Press LLC TABLE 2.5
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TABLE 2.7 Partial Listing of Dimens
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24. Makinouchi, S., Okamoto, M., an
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Bijan Shirinzadeh Monash University
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FIGURE 3.1 Trends in flexible manuf
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FIGURE 3.3 and constrain different
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Other Fixturing Techniques There ar
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FIGURE 3.6 contact point. The geome
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FIGURE 3.8 The vertical support fix
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and moments about the contact point
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een identified, the normals are use
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one of choosing the variables: such
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Fixture Module Location An importan
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FIGURE 3.15 Illustration of functio
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FIGURE 3.18 Minimum separation test
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direction) the face, respectively.
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FIGURE 3.21 Software structure for
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3.8 Conclusion A reconfigurable fix
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Heui Jae Pahk Seoul National Univer
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FIGURE 4.1(b) Conceptual framework
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4.3 Measurement Points Sampling and
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Surface S2 Measurement Path FIGURE
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FIGURE 4.4 Rough phase alignment ba
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deviation between the nominal CAD d
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FIGURE 4.6(a) Sum of squares distan
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FIGURE 4.7(c) Trailing edge. (c) th
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FIGURE 4.8(a) Profile tolerance of
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The calculated minimum form error i
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FIGURE 4.11(a) A typical mold havin
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FIGURE 4.11(d) Inspection results f
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FIGURE 4.12(c) Maximum deviation (p
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5.1 Introduction Developments in th
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process plan for a part (Figure 5.3
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FIGURE 5.5 leading to the developme
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the previously stored process plan
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FIGURE 5.7 Techniques of defining a
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Feature Recognition and Extraction
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FIGURE 8.1 A basic process. (From R
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FIGURE 8.4(a) Generate a new IG usi
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Note if the pair of nodes are both
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TABLE 8.1 Summary of the Rules Cond
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The correctness of these rules is e
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needs to show that after each full
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ule is violated, a warning should b
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Π1 Π3 Π4 FIGURE 8.8(a) After add
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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A ik � ‘U’ and is in a cycle
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FIGURE 8.12(a) Add [p2 t7 p7 t8 p4]
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FIGURE 8.12(c) Add a token to p8 vi
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FIGURE 8.12(e) Add [p8 t9 p14 t10 p
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FIGURE 8.13 An example of rule TT.0
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FIGURE 8.14 A GPN model of a machin
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FIGURE 8.15(b) The first exclusive
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FIGURE 8.15(d) The last exclusive T
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FIGURE 8.15(f) After entering the a
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FIGURE 8.15(h) Completion of Compon
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FIGURE 8.15(j) Two PP-generations:
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FIGURE 8.15(l) The last exclusive T
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t1 t5 p1 p5 t6 (a) t2 t3 t4 2 2 p2
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FIGURE 8.17 An example of partial f
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Theorem 10: If pi → pk in a synth
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Note that control transitions are o
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t j than the lower at , it indicate
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• Programming logic and VLSI arra
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7. Chao, D. Y. and D. T. Wang, Appl
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53. Villaroel, J. L., J. Martinez,
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q u : the numerator of the least ra
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geometric modeling, engineering ana
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In dimension driven or parametric d
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FIGURE 9.3 configuration of bodies
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FIGURE 9.6 FIGURE 9.7 Geometric Int
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FIGURE 9.8 Intersection of degrees
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will introduce a way to propagate p
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Completeness of Dimensions Complete
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FIGURE 9.12 3-D constraints. © 200
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The distance constraint from pt �
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therefore: Now merge the lists and
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Quantity analysis methods have the
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y a revolute joint. By selecting al