Metal Machining - Theory and Applications 2008 Part 7 pptx
... 1 978 ; Usui and Hirota, 1 978 ; Arsecularatne et al., 1995). This section introduces the further Non-orthogonal (three-dimensional) machining 177 Childs Part 2 28:3:2000 3:12 pm Page 177 kgt av U chip l ... (6.9b) and (6.13) may be used to investigate the strain, strain-rate and temperature dependence of flow in the primary shear zone. Stevenson and Oxley (1969 70 , 1 970 71 )...
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... Figure 9 .7( a) and the flank contact temperatures and stresses in Figure 9 .7( b) Process models 277 Childs Part 3 31:3:2000 10: 37 am Page 277 Johnson, W. and Kudo, H. (1962) The Mechanics of Metal ... for design and control of machining processes: (a) CAD assisted milling process simu- lator and planner (Spence and Altintas, 1994) and (b) machining- scenario assiste...
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... 0.092 M w [£/min] 0. 27 0. 27 0. 27 C t [£] 15 15 15 Fig. 1.28 Times and costs to remove metal by milling, for the conditions i and ii of Table 1 .7 compared with remov- ing the same metal by turning (- - -) Childs ... that the orga- nizational gains of cell-oriented and FMS organization bring real benefit. 1.4.3 Milling and drilling times and costs Equations (1 .7...
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Metal Machining - Theory and Applications 2008 Part 5 ppsx
... removal. Naerheim and Trent (1 977 ) have proposed that the wear rates of both WC-Co (K-grade) and WC-(Ti,Ta,W)C-Co (P-grade) cemented carbides are controlled by the rate of diffusion of tungsten (and Ti and ... is Tool damage and its classification 125 WC-Co cemented carbide tools WC-(Ti, Ta, W)C-Co cemented carbide tools Fig. 4 .7 Model of diffusion wear, after Naerheim and Tren...
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Metal Machining - Theory and Applications 2008 Part 11 potx
... Applicability 1 C** 5 4 3 0 .78 56 2* K 16 04 08 0 .75 34 3 C** 5 4 3 0 .70 27 4 C** 5 4 3 0 .70 27 *: this is coded in ISO standard; **: types of chip are different. Childs Part 3 31:3:2000 10:39 am Page ... design and control of machining processes and to give solutions to rather complicated processes. Model-based systems for simulation and control 3 17 Table 9 .7( b) Abbreviat...
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