Milling Cutters and Associated Technologies Part 3 potx

... operation. Milling Cutters and Associated Technologies  Figure 88. Thin-walled machining strategies. [Courtesy of Sandvik Coromant]. Milling Cutters and Associated Technologies  Milling Thin-Walls For ... Pocket and closed-angle feature milling. [Courtesy of Sandvik Coromant].  Chapter  Figure 89. A strategy for the milling of thin-bases. [Courtesy of Sand...

Ngày tải lên: 05/08/2014, 21:20

... and trepanning. [Courtesy of Sandvik Coromant]. Drilling and Associated Technologies  Figure 56. Special-purpose multi-functional tooling can be designed and manufactured to machine many part ... workpiece has been clamped and partially machined, it cannot be satisfactorily removed then reset without a loss of both accuracy and precision. Drilling and Associated Tech...

Ngày tải lên: 05/08/2014, 20:22

... of the vast range of milling cutters avail- able for both machining and mill/turn centres. [Courtesy of Seco Tools] . Milling Cutters and Associated Technologies  4.1 Milling – an Introduction At ... potential and avoidable problem arises. Figure 80. The rake and clearance angles for various types of face -milling cutter insert geometries. [Courtesy of Sandvik Coro...

Ngày tải lên: 05/08/2014, 21:20

... 0 .38 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 mi...

Ngày tải lên: 05/08/2014, 21:20

... Facts [Face Milling – Automotive Parts]. Cutting Tool Eng’g., 29 37 , Feb. 2002. Kennedy, B. Wall Smart [in-wall Milling] . Cutting Tool Eng’g., 26 33 , Feb. 2007. Kline, W.A., DeVor, R.E. and Lindberg, ... 56– 63, May 20 03. Smith, G.T. and Booth, S. e Manufacture [Milling] of Propellers using ree and Five Axis Machining Cen- tres. Proc. of LAMDAMAP Int. Conf., Computational...

Ngày tải lên: 05/08/2014, 21:20

... 1 534 +1528 1 533 dC 1511 +1504 1512 1521 dA, dC 1489 +1481, -1494 14 83 1491 dG, dA 1421 +1412 d purine/syn 139 6 d(CH 2 δ), dG 137 6 + 136 5, - 138 1 137 4 136 2 dT, dA, dG 133 9 + 132 4, - 134 3 133 6 ... - 134 3 133 6 disappears dA, dG 132 0 + 132 0 132 2 dG 131 4 d purine/syn 130 4 + 130 8 130 1 dA 1292 +1289 1292 dC 1257 +1257 1257 dC, dA 1 238 +1 238 12 43 1 238...

Ngày tải lên: 20/06/2014, 06:20

... in section 6. 435 6 4620 633 6 6600 6864 739 2 7656 8184 8448 9240 7128 7920 8712 f(MHz) 8976 f(MHz) 4488 633 6 6600 6864 739 2 7656 8184 8448 9240 7128 7920 8712 8976 435 6 4620 3 rd group 4 th group 2 nd group ... Coexisting narrowband and ultra wideband systems: Analysis of power spectral density and in-band interference power, World Scientific and Engineering Academy and So...

Ngày tải lên: 19/06/2014, 14:20

... between the first and second optical barriers, T 2 is between the second and third barriers, and finally, T3 is the flight time between first and third barriers. Theoretically, T 3 must be the ... are aimed to be around 20 30 years. However, the increases in size, complexity and life expectancy of spacecrafts demand advanced technologies especially in tribology and in tur...

Ngày tải lên: 20/06/2014, 00:20

... the Eqs. ( 13) and (14) (or Eqs. (15) and (16)) after the second equation and considers an isotropic Π ν (or Π) with diagonal elements equal to E ν /3 (or E /3) . We also mention again the partial ... () () () () 2 /3 2 /3 /8 Re 33 .6625 Pr 1 (1 34 .9622 /8 Pr 1 cc r c ch c d Nu L ξ ξ ⎡ ⎤ − ⎛⎞ ⎢ ⎥ =+ ⎜⎟ ⎢ ⎥ +− ⎝⎠ ⎣ ⎦ , (36 ) 1.0755 1 /3 0.01285Re Pr aaa Nu = , (37 ) where...

Ngày tải lên: 20/06/2014, 01:20

... 0.145 n = 8 .33 - 13. 33 1/s; Vg = 0. 139 - 2.78 x10 -4 m 3 /s ; X ≤ 10 % obj. solids: Al 2 O 3 , Fe 2 O 3 kiselguhr, glass beads (d p = 50 -30 0 μm); sand (d p = 30 0 μm and powder); ... 4500 W/m 3 >; w og ∈ <1.71×10 -3 ; 6.82×10 -3 m/s>. No. Impeller A B C ±Δ, % 1. Rushton Turbine 0.029 0.44 0. 534 3. 7 2. CD 6 0.028 0 .37 4 0.622 3. 3 3....

Ngày tải lên: 20/06/2014, 06:20