Drilling and Associated Technologies Part 2 ppt
Tài liệu Teaching and learning english part 2 ppt
... 40,0% ( 12) 23 ,3% (7) 36,7% (11)
11 Interview ( interviewing for a job, etc) 23 ,3% (7) 16,7% (5) 60,0% (18)
12 Performing a dialogue 66,6% (20 ) 26 ,7% (8) 6,6% (2)
13 Playing games 40,0% ( 12) 46,7% ... the question orally 73,4% (22 ) 13,3% (4) 13,3% (4)
4 Expressing opinion orally 50,0% (15) 26 ,7% (8) 23 ,3% (7)
5 Seeking and giving information 40,0% ( 12) 36,7% (11) 23 ,3% (7...
Solar Cells Silicon Wafer Based Technologies Part 2 ppt
... infrared
[2]
.
Material Refractive index
MgF
2
1.3 – 1.4
Al
2
O
3
1.8 – 1.9
Si
3
N
4
1.8 – 2. 05
SiO
2
1.45 – 1. 52
SiO 1.8 – 1.9
TiO
2
2. 3
ZnS 2. 3 – 2. 4
Ta
2
O
5
2. 1 – 2. 3
HfO
2
1.75 ... sin
qi
q
(22 )
Solar Cells – Silicon Wafer- Based Technologies
30
epitaxial solar cells. These cells have been built on impure (low c...
Solar Cells Thin Film Technologies Part 2 ppt
...
heterojunctions on the basis CuInSe
2
. J. Appl. Phys. 73, 29 02- 2909.
Solar Cells – Thin- Film Technologies
20
increasing Ga content in CuInxGa
1-x
Se
2
(to ~ 2% at x = Ga/(Ga+In) = 0.5), and, ... experimental efficiencies of the best
thin- film CdS/CdTe solar cells (16-17%).
Solar Cells – Thin- Film Technologies
32
The enhancement of
from 16...
Novel Applications of the UWB Technologies Part 2 ppt
... M
)=
1
2 σ
2
M /2
e
−
(z
n
−E
b,PS M
)
2
2σ
2
M
∏
i=1
i
=n
e
−
z
2
i
2
2
.
(19)
42
Novel Applications of the UWB Technologies
Novel Applications of the UWB Technologies
28
50
()
123 4
()
22
kk
gk
CSI ... be defined as σ
2
ISI
+ σ
2
MAI
+ σ
2
N
where σ
2
N
is
AWGN. The corresponding average probability of a correct decisio...
Advances in Spacecraft Technologies Part 2 ppt
... mission (Mori et al, 20 10; Normile, 20 10; Sawada et al, 20 10).
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
1000 10000 100000
Sail Assembly Loading (g m
-2
)
Sail Area (m
2
)
MeSR
IHP
JAtP
SbSR
SPO
Kuiper ... and Control, Vol .2, No .2, Feb .20 04, pp. 38- 42 (in
Chinese)
Advances in Spacecraft Technologies
54
Garwin, R.L., Solar Sailing – A Pract...
Recent Optical and Photonic Technologies Part 2 ppt
... 20 07; Baba & Mori, 20 07; Baba, 20 08) and quantum optics (Yoshie et al., 20 04; Lodahl
et al., 20 04; Englund et al., 20 05).
Recent Optical and Photonic Technologies
28
Fleischer, J. W., ... Recent Optical and Photonic Technologies
30
Stefanou, N. & Modinos, A. (1998). “Impurity bands in photonic insulators,” Phys. Rev. B
57, 121 27- 121 33...
Drilling and Associated Technologies Part 1 pptx
... diameter.
11 ‘Deep-hole drilling and ‘Gun -drilling operations are virtu-
ally the same, with the term Deep-hole drilling being the pre-
ferred term in this text.
Chapter
3 .1 Drilling ... typically ground twist drill points.
Drilling and Associated Technologies
Figure 43. The principal technical drill performance criteria and factors associated with drilling...
Drilling and Associated Technologies Part 2 ppt
... steel
(construction) 33.8, Grey CI 23 .3, Malleable CI 20 .3, Bronze
(medium hardness) 12. 2 – with HSS drills, ranging from φ10
to 60 mm.
Drilling and Associated Technologies
workpiece (see ... relationship:
A
z
= s
z
d /2 = sd/4 = h
z
b (mm
2
).
Hence, the total transverse cross-sectional area when
drilling of the undeformed chip will be:
A = 2A
z
= s
z
d = sd /2 =...
Drilling and Associated Technologies Part 3 potx
... successful drilling of long slender holes
in the workpiece.
Drilling and Associated Technologies
Figure 58. Deep-hole drilling operations, such as: (a) gundrilling, (b) double tube ejector drilling ... workpiece has been clamped and partially machined,
it cannot be satisfactorily removed then reset without a loss of
both accuracy and precision.
Drilling and Asso...
Drilling and Associated Technologies Part 4 pot
... failure’. [Aer: Kalpakjian, 19 84] .
Drilling and Associated Technologies
Figure 63. Twin-edged boring tooling. [Courtesy of Sandvik Coromant].
Drilling and Associated Technologies
...
nose radius and the inuence it has on the D
OC
. For
Figure 62. Interchangeable cutting heads for machining internal features. [Courtesy of Sandvik Coromant].
Drilling and A...
Drilling and Associated Technologies Part 5 pps
... 0.6 0.8 1.3 2.2 3.2 4 .5
IT6 0.9 1.2 1.9 3.1 4.6 6.4
IT7 1.4 1.9 3.1 5. 0 7.4 10.1
IT8 2.0 2.9 4.7 7.8 11 .5 15. 8
IT9 3.6 7 .5 9.4 12.4 18.3 25. 2
IT10 5. 7 7.6 12.1 20.0 29.8 40 .5
IT11 8.6 11.8 19.1 ... 31.4 46.2 63.8
[Source: Sandvik Coromant (19 95) ]
.
Drilling and Associated Technologies
Figure 66. Hard -part boring, can create excessive boring bar deections and...
Drilling and Associated Technologies Part 6 pps
... I. and Alintas, Y. Mechanics of Boring
Processes – Part I. Int. J. Mach. Tools and Manufact.,
463 –4 76, Vol. 43, 2003.
Atabey, F. Lazoglu, I. and Alintas, Y. Mechanics of Boring
Processes – Part ... 393–399, Nov. 1992.
Drilling and Associated Technologies
Table 6: Potential reaming problems and their possible causes, with some remedies
Reaming problem: Possible...
Milling Cutters and Associated Technologies Part 2 docx
... 0.33 0.19 0. 125
Z
c
: 0.38 Z 0.35 Z 0.33 Z 0.30 Z 0 .27 Z 0 .21 Z 0 .20 Z 0.14 Z 0.14 Z
[Source: Isakov – Kennametal Inc./pub. in American Machinist, 1996]
.
Milling Cutters and Associated Technologies ... Hertel]
.
Milling Cutters and Associated Technologies
inserts around the cutter’s periphery (Z) and the en-
gagement angle (α). An expression for these milling...
Milling Cutters and Associated Technologies Part 4 ppt
... Part 6: Milling eory. AB Sandvik
Coromant Pub., 1980.
Modern Metal Cutting – Part 7: Milling Tools. AB Sandvik
Coromant Pub., 1980.
Milling Cutters and Associated Technologies 179
... Down [Plunge Milling] . Cutting
Tool Eng’g., 44 47 , Oct. 2003.
Richter, A. e Right Angle [‘Angled’ Milling Heads]. Cut-
ting Tool Eng’g., 48 –53, July 20 04.
Rowe, J. Right Face [F...