Metal Machining - Theory and Applications Episode 1 Part 10 ppt
Metal Machining - Theory and Applications Episode 1 Part 10 ppt
... h
c
Non-orthogonal (three-dimensional) machining 18 7
Childs Part 2 28:3:2000 3 :13 pm Page 18 7
18 2 Advances in mechanics
(b)
(c)
Fig. 6 .15
continued
Childs Part 2 28:3:2000 3 :13 pm Page 18 2
is ... 6.4.8.
Non-orthogonal (three-dimensional) machining 18 1
Fig. 6 .15 Uncut chip cross-sections in single point turning: (a) case 1, (b) case 2, (c) case 3 and (d) case 4
(a)
Ch...
Metal Machining - Theory and Applications Episode 1 Part 9 pptx
... Smart, E. F. and Milner, D. (19 70) The metallurgy of machining, Part 1. Metallurgia
81, 3 10 .
15 8 Experimental methods
Childs Part 2 28:3:2000 3 :11 pm Page 15 8
Over the exit boundaries BD and DA′, ... 7 × 10
15
m: for a sensor with L = 10 mm, that is equivalent to a minimum strain of 7 × 10
13
. AE
Acoustic emission 15 5
Fig. 5.22 Structure of an AE sensor
Chil...
Metal Machining - Theory and Applications Episode 1 Part 7 ppt
... carbon steel with a P10 cemented carbide tool,
after Yamane and Narutaki (19 83)
d :1. 0 mm, f: 0.2 mm tooth
-1
Real cutting time: 1. 9 min
0. 01
0 .1
1
2
5
10
20
2
5
10
20
50
10 0
Oxygen content (%)
Crater ... (min)
15 0 m min
-1
15 0 m min
-1
236 m min
-1
Turning
Milling
236 m min
-1
Crater depth ( µm)
Depth of cut :1. 0mm Feed rate: 0.2 mm rev
-1
Flank...
Metal Machining - Theory and Applications Episode 1 Part 8 ppsx
... sintered steel and
Inconel 718
0.05
0.02
0 .1 0.2 0.5 1. 0 2.0
5
10
20
40
60
80
99
85
Flank wear VB (mm)
P10
Sintered steel
P10
B 111 2
TiC-Al
2
O
3
ceramic
Inconel 718
VB
max
B 112 - P10, V = 200m/min, ... of
13 4 Tool damage
10 00 2000 5000 10
4
2x10
4
5x10
4
99
90
70
50
30
10
3
1
Machine tool A
Machine tool B
Numbers of impact until tool fracture
Cutting speed : 22...
Metal Machining - Theory and Applications Episode 1 Part 6 pdf
... 600–2000 2.0 3 .1 960–990 –
PCD 10 0–550 2.0** 3.8–4.2 620–840 14 0–540
PcBN 10 0* 1. 9–2 .1 4.7–4.9 680– 710 15 0–340
K-carbide 75 12 0 3.0–3.4 4.5–6.0 550–650 390–925
P-carbide 25–55 4.0–4 .1 5.8–6.8 490–560 ... K]
α
e
Young’s
Material [10
–6
K
1
] modulus [GPa] 10 0°C 10 00°C
TiC 7.4–7.7 ≈ 450 24–33 38– 41
TiN 9.4 ≈ 250 19 – 21 25–26
Al
2
O
3
8.4–9.0 ≈ 400 20–28 6–7.5...
Metal Machining - Theory and Applications Episode 1 Part 5 potx
... Carbide
CVD coated 0.2–0.5 3–7 1. 2 1. 9 2.8 1. 8
Ground 0 .1 0.25 2–4 1. 2 1. 9 2.8 1. 8
Super-finished 0.03 0.4 1. 2 1. 9 2.8 1. 8
Childs Part 1 28:3:2000 2:38 pm Page 73
2.4.3 Wear in metal cutting
Finally, ... found between 10
1
and 10
–4
,
depending on whether the abrasive is fixed on one surface (2-body) or is loose (3-body).
What is the relevance of this to me...
Metal Machining - Theory and Applications Episode 1 Part 4 pot
... 2.2
k/
ρ
C 11 0–220 85 14 0 50 16 0 12 0–200 220–320
∆T
1
[°C]
a
230–470 18 0–300 11 0–340 250–430 470–680
K
work
[W/m K] 25–45 10 0–400 10 0–300 15 –20 6 15
K
tool
b
[W/m K] 20–50 80 12 0 10 0–500 80 12 0 50 12 0
K* ... al. (19 72)
Brass/carbide 30 48 0.3 450 0.9 0.95 Shirakashi and Usui (19 73)
C steel/carbide 10 46 0.3 600 1. 3 0.8 Shirakashi and Usui (19 73)
Low alloy...
Metal Machining - Theory and Applications Episode 1 Part 3 pot
... 2 .12 A range of possible rake face contact pressure distributions
σ
n
/
k
, for
α
= 0º,
φ
= 10 º and
λ
= 35º and
n
=
(a) 1/ 2, (b) 1/ 3 and (c) 1/ 6
Childs Part 1 28:3:2000 2:36 pm Page 52
2 .1( b)). ... in air and CCl
4
atmos-
pheres at cutting speeds from 1 to 10 0 m/min, at feeds between 0 .1 and 0.25 mm and with
cutting tools of rake angle 6˚ to 40˚. At th...
Metal Machining - Theory and Applications Episode 1 Part 2 pps
... 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 Part 1 28:3:2000 ... Figure 1. 16 (milling machine costs), Table 1. 1 (cutting
tool data) and equations (1. 10) and (1. 11) for cost rates.
30 Introduction
Childs Part 1 2...
Metal Machining - Theory and Applications Episode 1 Part 1 potx
... in machining 82
3.2 Tool materials 97
References 11 7
4 Tool damage 11 8
4 .1 Tool damage and its classification 11 8
4.2 Tool life 13 0
4.3 Summary 13 4
References 13 5
5 Experimental methods 13 6
5 .1 ... technology 11
Fig. 1. 11 Annual UK investment in mechanically and CNC controlled turning (•,o) and milling (+,x) machines, from
UK government statistics
Childs Part...
Từ khóa:
- the structure of complex networks theory and applications
- the marginal cost of public funds theory and applications
- the prime minister and i episode 1
- theory and applications spread spectrum systems ppt
- prime minister and i episode 1 eng sub download
- the structure of complex networks theory and applications ernesto estrada