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... 1, 6() 1. 70 !,3G ,.J_ ,_ ') 0,80 1, 30 1, 12 1, 50 O,o:l 0,80 1, 30 1, 15 O,DO L45 ! ,14 O,~JO 0,80 1, 35 0' ~ ll ') ,d;) 0, L12 1, e 1: 2 1, 70 ~8{j 1. 00 :>.,;';0 (),45 1' 1 1 (),88 0, ,10 2,~R 2 ,1( ) 2r20 ... 3 1, 0 s.oi 1, 0 7,7li 36,0 ! '1, 17 6,0 8,86 :l8,0 fl,80 8,0 9,60 10 ,0 10 ,00 12 ,0 10 ,48 43,0 9,87 16 ,0 10 ,89 46,0 9,53 20,0 1! ,00 52,0 8,43 25,0 11 ),85 58,0 7,00 30,0 10 , 41 (;4,{! 5, 51 35,0 1} ,72 ... 0,00 10 ,32 ,5 11 17 ,85 20,50 22,70 :::!6,;)fJ 31. 00 34,80 n,oo 6,80 10 ,75 12 ~85 16 ,55 19 ,20 22.GO 50,00 12 9'~5 ,10 14 ,10 t5,d0 :i~.70 Hl,50 J7,00 21, 80 33~35 16 ,1( ) 24.00 I5,GO 1, !0 7.b0 50,00...

Ngày tải lên: 10/03/2014, 23:12

... 8596Ch01Frame Page Tuesday, November 6, 20 01 10:22 PM Manufacturing Systems and Their Design Principles 1. 1 1. 2 1. 3 1. 4 M G Mehrabi 1. 5 University of Michigan Product ... (Park et al., 19 98) (see Figure 1. 8) © 2002 by CRC Press LLC 8596Ch01Frame Page Tuesday, November 6, 20 01 10:22 PM t1 t2 (a) Conflict: if t1 fires, t2 is not enabled and visa versa t1 t2 (b) Concurrency: ... Engineering, 11 8, 3, 10 8 11 2 Beckert, B., 19 90, Integrated manufacturing: New wizards of management, Industry Week, 239, 6, 60–84 Bedworth, D.D., Handerson, M.R., and P Wolfe, 19 91, Computer Integrated...

Ngày tải lên: 04/07/2014, 14:20

... (Chang, 19 82) SAPT (Milacic, 19 85) Hi-Mapp (Berenji and Khoshnevis, 19 86), SIPS (Nau and Gray, 19 86), XCUT (Brooks et al., 19 87) and PART (Houten and Erve, 19 88; 19 89a; 19 89b; Houten et al., 19 90) ... APPAS (Wysk, 19 77),TIPPS (Chang, 19 82), EXCAP (Davies et al., 19 88), SIPS (Nau and Gray, 19 86), XPLANE (Erve and Kals, 19 86) XCUT (Hummel and Brooks, 19 86; 19 88; Brooks et al., 19 87), and PART ... (Descotte and Latombe, 19 81) (one of the first AI-based CAPP systems), TIPPS (Chang, 19 82), SAPT (Milacic, 19 85; 19 88), XCUT (Hummel and Brooks, 19 86), Turbo-CAPP (Wang and Wysk, 19 87), Hi-Mapp (Berenji...

Ngày tải lên: 04/07/2014, 14:20

... 270° 1. 7 2.0 Return Grippers 3.9 1. 0 Return Rotate 270° 1. 0 2.0 Advance Rails Rotating Table Module 10 11 12 13 14 15 16 17 18 19 20 21 22 1. 5 Advance Transfer Return Clamp Mill Module 1. 0 Advance ... © 2002 by CRC Press LLC 8596Ch03Frame Page 53 Tuesday, November 6, 20 01 10: 21 PM p1 p1 p1 t1 p2 t1 p2 p4 p1 p4 t1 p2 p4 t1 p2 t2 t2 t2 t2 p3 p3 p3 p4 p3 t3 t3 p5 t4 t3 p5 t4 (a) t3 p5 t4 (b) ... 43 Tuesday, November 6, 20 01 10: 21 PM Position Slide Position Slide Mill Clamp Mechanism Mill Main Slide Cradle Mechanism Main Slide Rotating Table 10 11 12 13 14 15 Transfer Mechanism Main Slide...

Ngày tải lên: 04/07/2014, 14:20

... 8596Ch04Frame Page 72 Tuesday, November 6, 20 01 10 :19 PM Axial depth of cut limit [mm] Unstable milling Stable milling 0 2000 4000 6000 8000 10 000 12 000 14 000 16 000 18 000 20000 Spindle speed [rev/min] ... given as follows: ωnx = {452.8, 14 48}H z; ζx = {0 .12 , 0. 017 }, kx = {12 4.7E + 6, (–) 6595.6E + 6}N/m; ωny = { 516 , 14 07}H z; ζx = {0.024, 0.0324}, ky = {(–) 2.7 916 E + 10 , 3.3659E + 9}N/m in the feed ... given by N 1 axx = ∑ −g [sin 2φ + K (1 − cos 2φ )] j j r j j =0 N 1 axy = ∑ −g [ (1 + cos 2φ ) + K sin 2φ ] j j r j j =0 N 1 ayx = ∑ g [ (1 − cos 2φ ) − K sin 2φ ] j j r j j =0 N 1 ayy = ∑ g...

Ngày tải lên: 04/07/2014, 14:20

... ML-TDR-64-279 63 Amitay, G., Malkin S., and Koren, Y., 19 81, Adaptive control optimization of grinding, ASME Journal of Engineering for Industry, 10 3, 1, 10 2 11 1 64 Koren, Y., 19 89, The optimal ... Engineers, 11 8, 17 8 18 7 61 Ermer, D S., 19 97, A century of optimizing machining operations, ASME Journal for Manufacturing Scientists and Engineers, 11 9, 817 –822 62 Centner, R., 19 64, Final report ... and Hayashi, S., 19 94, Tool breakage detection in turning: a multisensor method, ASME Journal of Engineering for Industry, 11 6, 1, 11 7 12 3 42 Tansel, I N and McLaughlin, C., 19 91, On-line monitoring...

Ngày tải lên: 04/07/2014, 14:20

... Arbor, 19 97.) ˆ ˆ θ(i ) = θ(i − 1) + K (i )ε(i ) (6.9) where P(i − 1) f (i ) + f (i ) P(i − 1) f (i )] [ (6 .10 ) P(i ) = [1 − K (i ) f (i )]P(i − 1) (6 .11 ) ˆ ε(i ) = F(i ) − f (i )θ(i − 1) (6 .12 ) ... history Measured vs, Estimated Wear (x0,0 01 in) FIGURE 6 .13 20 18 16 14 12 10 0 10 0 200 300 400 500 600 700 Cutting Time (sec) 800 900 10 00 FIGURE 6 .14 Estimated (solid line) vs measured (crosses) ... TABLE 6 .1 Comparison of Drilling Control Strategies 41 No Controller Machining time (s) Burr rating Hole location quality (in) Event stoppages (%) 11 .11 2.93 4.43 E-3 25 Feed/Speed Controller 11 .28...

Ngày tải lên: 04/07/2014, 14:20

... than most other processes Forming loads of 10 3 or even © 2002 by CRC Press LLC 8596Ch07Frame Page 11 2 Tuesday, November 6, 20 01 10 :17 PM F FIGURE 7 .10 Simple closed-frame press shows the effect ... preceded by localization of © 2002 by CRC Press LLC 8596Ch07Frame Page 11 3 Tuesday, November 6, 20 01 10 :17 PM X “DRAW-IN” FIGURE 7 .11 Simple draw forming with a frictional blankholder As the tools ... and for a rectangular cross-section, © 2002 by CRC Press LLC K EI (7 .1) 8596Ch07Frame Page 11 0 Tuesday, November 6, 20 01 10 :17 PM εbending + εstretch εbending σbending resulting stress σ FIGURE...

Ngày tải lên: 04/07/2014, 14:20

... by CRC Press LLC 8596Ch08Frame Page 12 3 Tuesday, November 6, 20 01 10 :16 PM  z1   a 11 z  a    21  = M  zn  an1    a12 a22 L L L a1n   y1  a2 n   y2       M  ... Tuesday, November 6, 20 01 10 :16 PM Cook, G E., 19 83, Through-the-Arc Sensing for Arc Welding, 10 th NSF Conference on Production Research and Technology, Detroit, Michigan, 14 1 15 1 Cook, G E., Anderson, ... and Engineering, 11 9, 2 81 289 Farson, D F., Fang, K S., and Kern, J., 19 91, Intelligent laser welding control, ICALEO, 10 4 11 2 Farson, D., Hillsley, K., Sames, J., and Young, R., 19 96, Frequency-time...

Ngày tải lên: 04/07/2014, 14:20

... Thermoplastic Pellets 8596Ch09Frame Page 14 2 Tuesday, November 6, 20 01 10 :15 PM Pressure (MPA) 0.0 1. 0 01 9.200 10 . 012 10 . 410 23.020 27.624 32.228 36.832 41. 136 46.040 50.644 55.248 FIGURE 9.2 Pressure ... geometries,9 ,10 such as those presented in Figure 9.2 Continuing research seeks to predict the residual stresses ,11 -13 fiber orientation ,14 ,15 and other properties of the final molded product .11 ,16 ,17 These ... and Science, 31, 14 17 14 24, 19 91 37 R E Nunn and C P Grolman, Closed loop cavity pressure control in injection molding, Journal of Reinforced Plastics and Composites, 9, 212 1, 19 91 38 D O Kazmer...

Ngày tải lên: 04/07/2014, 14:20

... = [10 (in)] • [10 (sec)] • 4.8(µin in) = 480 µin = 0.000480 in © 2002 by CRC Press LLC 8596Ch10Frame Page 16 2 Monday, November 12 , 20 01 12:04 PM 10 " 10 sec 0005" error 10 0 µ" 16 " FIGURE 10 .16 ... Machinist, 61 65, December 19 89 © 2002 by CRC Press LLC 8596Ch10Frame Page 17 9 Monday, November 12 , 20 01 12:04 PM J B Bryan, R R Clouser, and E Holland, Spindle accuracy, American Machinist, 14 9 16 4, ... causing the slide of the caliper to © 2002 by CRC Press LLC 8596Ch10Frame Page 16 1 Monday, November 12 , 20 01 12:04 PM A D E D FIGURE 10 .15 Micrometer and caliper comparison for Abbe offsets and errors...

Ngày tải lên: 04/07/2014, 14:20

... CRC Press LLC 8596Ch11Frame Page 19 4 Tuesday, November 6, 20 01 10 :12 PM FIGURE 11 .17 Experimental poles and root locus prediction from Equation (11 .18 ) FIGURE 11 .19 FIGURE 11 .18 out control “Lissajou ... follow the root locus defined by Equation (11 .18 ) and (Figure 11 .10 ) Equations (11 .19 ) and (11 .20) also apply in this case 11 .3.3 Active Tendon Design Figure 11 .11 shows two possible designs of the ... 8596Ch11Frame Page 18 1 Tuesday, November 6, 20 01 10 :12 PM 11 Active Damping of Large Trusses 11 .1 11. 2 Introduction Active Struts Open-Loop Dynamics...

Ngày tải lên: 04/07/2014, 14:20

... (1 + TA ), ≤ TA ≤ © 2002 by CRC Press LLC (12 .15 ) 8596Ch12Frame Page 205 Friday, November 9, 20 01 6: 31 PM 10 ζ = 0 .10 0.25 0.50 0.707 (optimal) 10 10 A T 10 -1 10 -2 -1 10 10 w/wn 10 FIGURE 12 .7 ... 8596Ch12Frame Page 215 Friday, November 9, 20 01 6: 31 PM FIGURE 12 .19 Schematic of skyhook damper arrangement V/VO [BA: BPNx0 TO BPNx4] 10 1 MAGNITUDE 10 0 10 -1 10-2 -1 10 10 0 10 1 FREQUENCY [HZ] 10 2 ... BPN x 4] 10 1 MAGNITUDE 10 0 10 -1 10-2 -1 10 10 0 10 1 FREQUENCY [HZ] 10 2 FIGURE 12 .16 Variations in frequency response of body velocity for SQC model with variable damper (From D Karnopp, 19 95, ASME...

Ngày tải lên: 04/07/2014, 14:20

... in Figure 13 .6 are ˙ ˙ m1 z1 + k10 ( z1 − z0 ) + b10 ( z1 − z0 ) − k12 ( z2 − z1 ) + Fd = m2 z2 + k12 ( z2 − z1 ) − Fd = (13 .1) where m1 is the unsprung mass, m2 is the sprung mass, k12 is the ... = b1 ( z1 − z0 ) − b2 z2 − b12 ( z2 − z1 ) + ∆k10 ( z1 − z0 ) − ∆k12 ( z2 − z1 ) © 2002 by CRC Press LLC (13 .5) 8596Ch13Frame Page 226 Tuesday, November 6, 20 01 10:09 PM where ∆k10 and ∆k12 are ... 8596Ch13Frame Page 227 Tuesday, November 6, 20 01 10:09 PM 18 000 16 000 14 000 12 000 10 000 0.0 A 0.6 A 0.9 A 1. 2 A 1. 4 A 1. 7 A 2.0 A 8000 6000 4000 2000 -2000 FIGURE 13 .9 -0.5 -0.4 -0.3 -0.2 -0 .1 0.1...

Ngày tải lên: 04/07/2014, 14:20

... (14 .12 ) ˜ AN +1, i = 0, i = 1, 2, , q − and i = q + 1, q + 2, , N (14 .13 ) ˜ Aq,q = Aq,q + ca s + ka (14 .14 ) ˜ Aq, N +1 = −ca s − ka + gs 2e − τs (14 .15 ) ˜ AN +1, q = − ca s − ka (14 .16 ) ˜ AN +1, ... N +1 = ma s + ca s + ka − gs 2e − τs (14 .17 ) ˜ Fi = Fi , i = 1, 2, , N (14 .18 ) ˜ FN +1 = (14 .19 ) ˜ xi = xi , i = 1, 2, , N (14 .20) ˜ x N +1 = xa (14 . 21) where: © 2002 by CRC Press LLC 8596Ch14Frame ... s)] = (14 .27) p(s) = ma s + ca s + ka (14 .28) r(s) = ca s + ka (14 .29) ˜ P, j = Ai, j , i, j = 1, 2, , N i (14 .30) ˜ Ri, j = ( 1) q + N +1 Ai, j , i = 1, 2, , q − 1, j = 1, 2, , N (14 . 31) ˜ Ri,...

Ngày tải lên: 04/07/2014, 14:20

Ngày tải lên: 04/07/2014, 14:20

Ngày tải lên: 04/07/2014, 14:20

Ngày tải lên: 04/07/2014, 14:20

Ngày tải lên: 04/07/2014, 14:20

Ngày tải lên: 04/07/2014, 14:20