Metal Machining - Theory and Applications 2008 Part 8 pdf
Metal Machining - Theory and Applications 2008 Part 8 pdf
... heating and quenching high strain rate test (after Shirakashi
et al.
, 1 983 )
Childs Part 2 28: 3:2000 3:15 pm Page 221
2 28 Applications of finite element analysis
Fig. 8. 1
continued
Childs Part 2 28: 3:2000 ... built-up-edge formation (Usui
et al., 1 981 ) and more recently in studies of low alloy semi free -machining steels (Childs and
Maekawa, 1990). It is given further...
Metal Machining - Theory and Applications 2008 Part 1 potx
... strain rates and
temperatures 379
References 381
5 Approximate tool yield and fracture analysis 383
A5.1 Tool yielding 383
A5.2 Tool fracture 385
References 386
6 Tool material properties 387
A6.1 ... Boothroyd and Knight, 1 989 )
Fig. 1.19 The spectrum of manufacturing systems (after Groover and Zimmers, 1 984 )
Childs Part 1 28: 3:2000 2:34 pm Page 18
If Figure 1.16(b) is c...
Metal Machining - Theory and Applications 2008 Part 2 pps
... ferrous and
non-ferrous chips observed through a microscope at about five times magnification (Figure
Fig. 2.1 Early chip observations by (a) Tresca ( 187 8) and (b) Mallock ( 188 1 82 )
Childs Part 1 28: 3:2000 ... 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...
Metal Machining - Theory and Applications 2008 Part 5 ppsx
... process in metal
cutting. Trans. ASME 81 B, 251–262; and Eggleston, D. M., Herzog, R. and Thomsen, E. G.
Trans. ASME 81 B, 263–279.
Komanduri, R. and Samanta, S. K. (1 989 ) Ceramics. In: Metals Handbook ... (Ceramics and Glasses). Metals Park, Ohio: ASM.
Anon (1994) Modern Metal Cutting – A Practical Handbook. Sandviken: AB Sandvik Coromant.
Brookes, K. J. A. (1992) World Direc...
Metal Machining - Theory and Applications 2008 Part 6 pot
... 41–44.
Williams, J. E, Smart, E. F. and Milner, D. (1970) The metallurgy of machining, Part 1. Metallurgia
81 , 3–10.
1 58 Experimental methods
Childs Part 2 28: 3:2000 3:11 pm Page 1 58
strain sensing is much ... 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...
Metal Machining - Theory and Applications 2008 Part 7 pptx
... agreement
Non-orthogonal (three-dimensional) machining 195
Fig. 6. 18 The dependence of
η
c
on (a)
λ
s
and (b)
r
n
, for machining a carbon steel (after Usui and Hirota, 19 78)
(a)
Childs Part 2 28: 3:2000 ... (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 oth...
Metal Machining - Theory and Applications 2008 Part 10 pptx
... frequency and
Process models 281
Childs Part 3 31:3:2000 10: 38 am Page 281
Vyas, A. and Shaw, M. C. (1999) Mechanics of saw-tooth chip formation in metal cutting. Trans
ASME J. Manuf. Sci. and Engng. ... E., Smart, E. F. and Milner, D. (1970) The metallurgy of machining, Part 2. Metallurgia
81 , 51–59.
Yamaguchi, K. and Kato, T. (1 980 ) Friction reduction actions of inc...
Metal Machining - Theory and Applications 2008 Part 11 potx
... for achieving reliable and improved machin-
ing processes, free from fatal damage and trouble (Micheletti et al., 1976; Tlusty and
Andrews, 1 983 ; Tonshoff et al., 1 988 ; Dan and Mathew, 1990; Byrne ... 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 monito...
Metal Machining - Theory and Applications 2008 Part 12 pps
... 2 78 285 .
Kobayashi, S., Oh, S-I. and Altan, T. (1 989 ) Metal Forming and the Finite Element Method. New
York: Oxford University Press.
Kudo, H. (1965) Some new slip-line solutions for two-dimentional ... A1 .8 collects a range of slip-line fields, and their velocity diagrams (due to Lee and
Shaffer, 1951, Kudo, 1965, and Dewhurst, 19 78) , which describe steady state chip form...
Metal Machining - Theory and Applications 2008 Part 13 pot
... + T) + 58. 4 + a (86 0 – 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. 1 984 ) and a Ti-6Al-6V-2Sn
alloy ... Temperature [°C]
0 200 400 600 80 0
Iron and steel
pure iron* 85 64 50 38 31
0.04–0.25C 52–60 48 54 42–45 35–37 29–30
0.25–0.8C 51–52 46– 48 39–42 33–35 29–30
0 .8 1.2C 45–51 42–46...
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