Metal Machining - Theory and Applications 2008 Part 6 pot
Metal Machining - Theory and Applications 2008 Part 6 pot
... the EMF generated. Standard material
combinations are copper-constantan (60 %Cu–40%Ni), chromel (10%Cr–90%Ni)–alumel
(2%Al–90%Ni-Si-Mn) and platinum–rhodium. In metal machining applications, it is
possible ... the parts is a slip-line. Thus, in machining, the boundaries between
the primary shear zone and the work and chip and between the secondary shear zone and
the chip are s...
Metal Machining - Theory and Applications 2008 Part 1 potx
... 251
8.5 Summary 262
References 262
9 Process selection, improvement and control 265
9.1 Introduction 265
9.2 Process models 267
9.3 Optimization of machining conditions and expert system applications ... mechanics 159
6. 1 Introduction 159
6. 2 Slip-line field modelling 159
6. 3 Introducing variable flow stress behaviour 168
6. 4 Non-orthogonal (three-dimensional) machining...
Metal Machining - Theory and Applications 2008 Part 11 potx
... workpiece, etc, are measured in-process or out-of-process. In-process monitor-
ing that does not require the machining process to be stopped is preferable to out-of-
process monitoring, other things ... flank, notch and nose wear (VB, VN and VS)
and operation variables to current forces. The levels of VB, VN and VS, V, f and d were the
inputs and F
d
, F
f
and F
c
were outputs...
Metal Machining - Theory and Applications 2008 Part 13 pot
... –
α
,
α
–
β
,
β
alloys 5.5–8 8–12 10–17 12.5–21 15–25
Ti-6Al-4V 6. 6 6. 8 8.5–9.1 10.5–12.5 13– 16 16 19
*: high and commercial purity; **: including cobalt- and ferrous-base superalloys.
Table A4.2 Heat capacity ... + 58.4 + a( 860 – T)e
—
b
]
where, for e
—
≤ 0.5 a + 0.87, b = 0.8; e
—
≥ 0.5 a = 0.57, b = 0.2
Other forms have been given for a Ti-6Al-4V alloy (Usui et al. 1984) and a...
Metal Machining - Theory and Applications 2008 Part 2 pps
... 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 Part 1 28:3:2000 2:35 pm ... 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) and (1.8) for machi...
Metal Machining - Theory and Applications 2008 Part 5 ppsx
... 81B, 263 –279.
Komanduri, R. and Samanta, S. K. (1989) Ceramics. In: Metals Handbook 9th edn. Vol. 16
(Machining) . Metals Park, Ohio: ASM.
Sata, T. (1 968 ) Machinability of calcium-deoxidised steels. ... removal.
Naerheim and Trent (1977) 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...
Metal Machining - Theory and Applications 2008 Part 7 pptx
... 6. 18
(a)
Fig. 6. 18
continued
(b)
Childs Part 2 28:3:2000 3:13 pm Page 1 96
Evaluating A
sh
: the result
Substitution of equations (6. 35), (6. 36) and (6. 37) with (6. 39) into equation (6. 34b) and
performing ... equation
(6. 41), using Tables 6. 1 and 6. 2 as appropriate; A
uf
is determined from tool geometry,
feed and depth of cut by equations (6. 46) and (6. 45). Thus,...
Metal Machining - Theory and Applications 2008 Part 8 pdf
... alloy steel (the 0.36C-Cr-Mo-Ni material
of Table A4.4).
The Hopkinson bar equipment has established different laws for non-ferrous face
centred cubic metals such as aluminium and a-brass. A much ... 40(1), 61 64 .
Ueda, K., Manabe, K. and Nozaki, S. (19 96) Rigid-plastic FEM of three-dimensional cutting mech-
anism (2nd report) – simulation of plain milling process. J. Japan Soc. Prec....
Metal Machining - Theory and Applications 2008 Part 10 pptx
... for design and control of machining processes: (a) CAD assisted milling process simu-
lator and planner (Spence and Altintas, 1994) and (b) machining- scenario assisted intelligent machining system
(Takata, ... J., Llewellyn, D. T. and Keane, D. M. (19 76) Control of machinability in medium-carbon
steels. Metals Technol. 3(5 /6) , 254–271.
Obikawa, T. and Usui, E. (19 96) Com...
Metal Machining - Theory and Applications 2008 Part 12 pps
... 120,
807–8 16.
Obikawa, T. and Matsumura, T. (1994) Visualization, adaptation and optimization of machining
technology. J. Japan Soc. Prec. Eng. 60 , 64 1 64 6.
Obikawa, T., Liu, W. N. and Shirakashi, ... Oh, S-I. and Altan, T. (1989) Metal Forming and the Finite Element Method. New
York: Oxford University Press.
Kudo, H. (1 965 ) Some new slip-line solutions for two-dimentio...
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