Metal Machining - Theory and Applications 2008 Part 13 pot
Metal Machining - Theory and Applications 2008 Part 13 pot
... 0.57, b = 0.2
Other forms have been given for a Ti-6Al-4V alloy (Usui et al. 1984) and a Ti-6Al-6V-2Sn
alloy (Maekawa et al. 1994b). For the Ti-6Al-4V alloy:
s
—
= A(e
—
˘
/1000)
M
e
aT
(e
—
˘
/1000)
m
{
c ... the elements of the nodal F-vector depend on the heat generation and loss quanti-
ties q*, q and h, and the elements of [H]
e
depend mainly on the conduction and convec-
tion...
Metal Machining - Theory and Applications 2008 Part 1 potx
... yields the D
3
and D
2
relations derived in the previous
paragraph.
Machine tool technology 13
Fig. 1 .13 A traditional – column and knee – design and (right and below) partly-built and complete ... machine
Childs Part 1 28:3:2000 2:34 pm Page 13
appropriate for different mixes of part variety and quantity (Figure 1.19). If a manufac-
turer’s spectrum of parts is of the o...
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 ... between 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 chi...
Metal Machining - Theory and Applications 2008 Part 11 potx
... al
., 1996)
Childs Part 3 31:3:2000 10:40 am Page 314
of tool or workpiece, etc, are measured in-process or out-of-process. In-process monitor-
ing that does not require the machining process ... detailed and reli-
able recognition of cutting states in the future.
9.5 Model-based systems for simulation and control of
machining processes
In this final section, the application of mac...
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
... Glasses). Metals Park, Ohio: ASM.
Anon (1994) Modern Metal Cutting – A Practical Handbook. Sandviken: AB Sandvik Coromant.
Brookes, K. J. A. (1992) World Directory and Handbook of Hardmetals and Hard ... 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
... (6.34a)
S
Non-orthogonal (three-dimensional) machining 189
Childs Part 2 28:3:2000 3 :13 pm Page 189
where D is the area of the element; and similarly for the other strains e
yy
and g
xy
. Matrix
algebra ... r
n
d
θθ
2
θ
4
A
θ
t
1e,
θ
3–4
⎛
⎜
⎝
⎛
⎜
⎝
⎞
⎟
⎠
⎞
⎟
⎠
⎛
⎜
⎝
⎛
⎜
⎝
⎞
⎟
⎠
⎞
⎟
⎠
⎛
⎜
⎝
⎛
⎜
⎝
⎞
⎟
⎠
⎞
⎟
⎠
Childs Part 2 28:3:2000 3 :13 pm Page 192
Non-orthogonal (three-dimensio...
Metal Machining - Theory and Applications 2008 Part 8 pdf
... built-up-edge formation (Usui
et al., 1981) and more recently in studies of low alloy semi free -machining steels (Childs and
Maekawa, 1990). It is given further consideration in Section 7.3 and ... 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 mu...
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, ... F
f
, and F
c
are values in N; V, f and d are in m/min, mm/rev and mm, respec-
tively; and the dimensions of flank wear VB (Chapter 4), notch wear VN and nose we...
Metal Machining - Theory and Applications 2008 Part 12 pps
... Oh, S-I. and Altan, T. (1989) Metal Forming and the Finite Element Method. New
York: Oxford University Press.
Kudo, H. (1965) Some new slip-line solutions for two-dimentional steady state machining. ... 43–55.
Johnson, W. and Mellor, P. B. (1973) Engineering Plasticity. London: van Nostrand.
Johnson, W., Sowerby, R. and Venter, R. D. (1982) Plane-Strain Slip-Line Fields for Metal-...
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