Metal Machining Episode 5 pptx

... not exceed: (a) 20 L (5 gal) per minute for stationary retail devices, or (b) 20 % of the marked maximum discharge rate for other retail devices and for wholesale devices. (Amended 1987) ... following devices: (a) Devices used for dispensing liquefied petroleum gases (see Sec. 3.32; Code for Liquefied Petroleum Gas and Anhydrous Ammonia Liquid -Measuring D...

Ngày tải lên: 12/08/2014, 07:22

... mV/division on both input channels, and sweep speeds down to 50 ns/div (reproduced by courtesy of Chauvin Arnoux UK Ltd) Figure 5. 15 Economical, both on price and bench space, the 100MHz bandwidth ... RECEIVER Figure 5. 7 (simplified) dummy Ioacl and pat h- I o~s simulator Block diagram of digital phase-nl()dulation radio data link on test Using oscilloscopes 79 Figure...

Ngày tải lên: 12/08/2014, 16:21

... “bios.h.” FIGURE 3. 45 Above shows the connections of the null modem using an RS 232D connector. 9 8 7 6 1 2 3 4 5 5 9 4 8 3 7 6 1 2 ROBOTICS 128 pneumatic actuator in Figure 3.49 is shown in Figure 3 .50 with ... 16 x 2 1 GND 2 Vcc 3 Vo 4 RS 5 RW 6 E 7 D0 8 D1 9 D2 10 D3 11 D4 12 D5 13 D6 14 D7 15 Vb1 16 Vbo 1 2 3 4 5 6 7 8 9 13 25 14 1 +5V 10k 17 BASIC ELECTRONICS 131 A ma...

Ngày tải lên: 12/08/2014, 16:21

... 36 5. 08 350 -55 8 350 -55 8 25 25 12 180 (62% Cu) Outokumpu flash furnace 5. 8 tonnes of reverts 60 tonnes anodes, cathodes, molds, reverts, etc. 180 56 3 0 .5 1 8.6 1. 75 3.91 ... 0-0.004 0-0 .5 ; FeLh cu Total Fe Si02 (e+$) A1203 CaO MgO ZnO H20 Flux 70-98 0-10 0 -5 0-2 0 1 -5 Converter slag 4-8 35- 50 15- 30 20- 25 0 -5 0 -5 0...

Ngày tải lên: 13/08/2014, 05:20

... +E n I n  ℓ n 0  ∂ 2 Z n ∂x 2  2 dx =[X I Z I Z ′ I X J Z k Z ′ J ]        K 11 K 12 K 13 K 14 K 15 K 16 K 21 K 22 K 23 K 24 K 25 K 26 K 31 K 32 K 33 K 34 K 35 K 36 K 41 K 42 K 43 K 44 K 45 K 46 K 51 K 52 K 53 K 54 K 55 K 56 K 61 K 62 K 63 K 64 K 65 K 66               X I Z I Z ′ I X J Z J Z ′ J        where ... is...

Ngày tải lên: 13/08/2014, 05:22

... 133 −1 −0 .5 0 0 .5 1 −1 −0 .5 0 0 .5 1 −0.2 0 0.2 0.4 0.6 0.8 1 x y u(r,θ ) Figure 3.4.1:Thesolutionu(r, θ)tothe mixed boundary value problem posed in Example 3.4.1 with α = π/4andb =0. 25. power ... and Ryzhik, op. cit., Formula 2. 252 , Point II. â 2008 by Taylor & Francis Group, LLC 126 Mixed Boundary Value Problems 0 0 .5 1 1 .5 2 −2 −1 0 1 2 0 1 2 3 4 5 6 7 8...

Ngày tải lên: 13/08/2014, 05:22

... CVI-3 PI-0 PI-1 PI-2 .< K 48 1 55 9 460 59 0 56 8 463 647 736 P 1.13 1 .55 1 .55 1.62 1.60 1 .56 1.70 1.79 KIP 428 36 1 297 364 355 297 381 411 1 65 are expected to enable the use of ... 12(Z) 3 15( x) B M2 1. 35 374(X), 52 (Y),14(Z) 277(X) B M3 1.49 431(X) 289(x) E? h4 200 U(x) B H1 1.32 50 2(X) H2 1.48 52 8(X) H3 1 .59 56 4CX) 380(X) C 357 oc)...

Ngày tải lên: 13/08/2014, 08:21

... 1.0724x 0. 344 3x C 0. 344 3120 D 1.0724x 0. 344 3120 D 1.07 24 0. 344 3x 41 .316 D 0.7281x x D 41 .316 0.7281 D 56 . 74 m From equation (2), height of building, h D 1.0724x D 1.07 24 56 . 74 D 60 . 85 m Problem ... speed/time is shown in Fig. 20.3. 30 25 Graph of speed/time 20 15 Speed (m/s) 10 5 0 12 3 Time (seconds) 45 6 2 .5 4. 0 7.0 15. 0 5. 5 8. 75 10. 75...

Ngày tải lên: 13/08/2014, 08:21

... 500–700 ρ C [MJ/m 3 ] ≈ 3. 5 ≈ 3. 5 ≈ 2.5 ≈ 4.0 ≈ 2.2 k/ ρ C 110–220 85–140 50–160 120–200 220 32 0 ∆T 1 [°C] a 230 –470 180 30 0 110 34 0 250– 430 470–680 K work [W/m K] 25–45 100–400 100 30 0 15–20 6–15 K tool b [W/m ... E. (19 73) Friction characteristics on tool face in metal machining. J. JSPE 39 , 966–972. Taylor, F. W. (1907) On the art of cutting metals. Trans. ASME 28, 31 3...

Ngày tải lên: 13/08/2014, 09:20

... 2.0** 3.8 4. 2 620– 840 140 – 540 PcBN ≈100* 1.9–2.1 4. 7 4. 9 680–710 150– 340 K-carbide 75–120 3.0–3 .4 4.5–6.0 550–650 390–925 P-carbide 25–55 4. 0 4. 1 5.8–6.8 49 0–560 390– 840 Cermet 11–35 2 .4 2.7 6.7–7.8 ... 6.7–7.8 390 42 0 48 0– 740 Al 2 O 3 10–35 3.2–3.6 7.9–8.0 380–390 145 –330 Al 2 O 3 /TiC 10–22 3.8 4. 0 7.6–8.0 370–395 180–330 Al 2 O 3 /SiC(wh.) 10–35 ≈3 .4* 7.0–7.5 34...

Ngày tải lên: 13/08/2014, 09:20

... 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 B1112 TiC-Al 2 O 3 ceramic Inconel 718 VB max B112 - P10, V = 200m/min, d = 0.5mm, f = 0.1mm/rev Sintered ... chamfers for a length T between 0.5f and 0.75f for turning operations and 1.2f to 1.5f for milling; with a c from 15 to 30˚ depending on the severity of the machini...

Ngày tải lên: 13/08/2014, 09:20

... 1991), to give an insight into how machining may be changed by non-planar rake face and cutting edge modified tools. Figures 6. 6 and 6. 7 give examples. Figure 6. 6 is concerned with modifications ... equation (6. 9a) to the work-hardening behaviour of the material, expressed as s — = s 0 e — n (6. 10) and to the shear strain-rate on OA″, from equation (6. 6), in order to replace equat...

Ngày tải lên: 13/08/2014, 09:20

... conditions as Figure 7.14 Childs Part 2 28: 3:2000 3:15 pm Page 217 2 28 Applications of finite element analysis Fig. 8. 1 continued Childs Part 2 28: 3:2000 3:16 pm Page 2 28 generate the nucleus of a BUE. ... methods were being developed for metal machining, linear fracture mechanics methods were being developed for the machining of brittle ceramics (Ueda and Sugita, 1 983 ). The 1...

Ngày tải lên: 13/08/2014, 09:20

... up-milling, centring and splitting. The machining scenario is used to control cutting force and machining error by pre -machining feed adjustment, and to diagnose machining states. Figure 9.37 (from ... 1450 rpm) (2.6) power efficiency: (95%) (3) Machining plan (3.1) machining (3.1.1) turning: {general turning, contouring, tapering, grooving, . . .} (3.2) machining type: {heavy r...

Ngày tải lên: 13/08/2014, 09:20