Industrial Brushless Servomotors Episode 6 pot

... one side of the spool than on In In OutOut Open Closed Figure 9.10 Two-way, fluid-power valve 166 Compressors Rotary Screw The most common reason for compressor failure or component damage is ... the compressor. Control Valves 185 View A View B Figure 9 .6 Globe valve When the valve is open, as illustrated in View B of Figure 9 .6, the fluid flows through the space between the edge of the ......

Ngày tải lên: 11/08/2014, 08:22

... control referred to under each of the six losses in Figures 5.7-5.12. However, in order to give an early indication a definition is as follows: 90 TPM- A Route to World- Class Performance ... the restoration of cquipment and development of asset care, thc next step brings together all of the practices developed for operating, 98 TPM- A Route to World...

Ngày tải lên: 12/08/2014, 08:22

... chemical reactions in the Brusselator is the following A k 1 −→X, (6. 65a) 2X + Y k 2 −→3X, (6. 65b) B + X k 3 −→Y + D, (6. 65c) X k 4 −→E, (6. 65d) the four steps are assumed to be irreversible which is ... solutions (6. 1.11) and (6. 1.12) in (6. 1.8) and (6. 1.9) leads to the following amplitude differential equations (D 2 − k 2 )(D 2 − k 2 − σ)W = Ra k 2 Θ, (6. 1.13) (D 2 − k 2 − σPr)Θ = −...

Ngày tải lên: 12/08/2014, 08:22

... high torque end. rpm 3000- 2000- 10 00- I 1 2 3 Torque Nm Figure 1. 9 Speed versus torque at various supply voltages Industrial Brushless Servomoters 1. 2 2 temperature are explained for ... spreadsheet. My hope is that this publication will be of Industrial Brushless Servomoters 1. 3 IO VDC Figure 1. 5 Unloaded motor at steady-state 1. 3 The loaded motor at s...

Ngày tải lên: 12/08/2014, 16:20

... is Industrial Brushless Servomotors 2. 2 3:l motor by parting company from the hub. Figure 2. 3 shows one of the most common, where the magnets are bound by fibreglass tape. Figure 2. 1 shows ... the cycle is Iav IM(1.0 x 2 + 0.5 x 3 + 0.7 x 3 + 0.5 x 3) = 0.44IM 16 The rms current over the same period is Irms V/I2M( 1. 02 ã 2 + 0. 52 ã 3 + 0. 72 ã 3 + 0. 52 ã 3)...

Ngày tải lên: 12/08/2014, 16:20

... e 36 0 Figure 2.10 Emf and torque for aY-connected squarewave motor 40 Industrial Brushless Servomotors 2 .3 Figure 2.8 Torque and backemf for the'a'phase 38 Industrial Brushless ... connection. Industrial Brushless Servomotors 2 .3 $O To - TM sin20 To is always positive and varies position, as shown in Figure 2. 13. sinusoidally with rotor To...

Ngày tải lên: 12/08/2014, 16:20

... Industrial Brushless Servomotors 3.2 74 determines the position of the shaft by adding or subtracting the number ... the shaft must start exactly from the position reached at the end of the 56 Industrial Brushless Servomotors 2 .4 In Figure 2.15, H will have about the same value in the two cases. However, ... rms 11.7 Torque constant KT Nm/A 1.02 0. 84 Resistance RL...

Ngày tải lên: 12/08/2014, 16:20

... 11 06 Industrial Brushless Servomotors 4.3 i 0 .63 2 V/R ,, , ,, , , , 9 o t O)m (0~ ~ , ,, , ~m Figure 4.7 (a) ... When the brushless motor is used for incremental motion, the motor rating may be affected by the relative values of the 108 Industrial Brushless Servomotors 4.3 cannot be used for the brushless ... 0.84 1.02 Max. continuous current Is A 5.4...

Ngày tải lên: 12/08/2014, 16:20

... case where F :/: 0 gives rzx - ff v/1 + A2 Industrial Brushless Servomotors 4.4 116 The roots of the quadratic are S "- - 2-'~e -+ 77 .2 TeT M When rM > 4re, there is no sinusoidal ... possible: 1. No reducer and a drive pulley radius of _ ~/0.00022 r~ V i~ -0.015m 128 Industrial Brushless Servomotors 4.5 shape is equally distributed. The trapezoidal...

Ngày tải lên: 12/08/2014, 16:20

... 4500 rpm as R 1.29 (3.72 3.22 Psp - 1. 48 ~-~T (T2s - T2soac) - 1. 48 0.422 - ) - 37 W ISO Industrial Brushless Servomoters 5.2 power loss when the brushless motor runs on load at the centre ... cannot be reduced. 1 48 Industrial Brushless Servomotors 5.2 the motor to remain below the maximum temperature, normally 150~ Soac curves The thermal characteristic of a br...

Ngày tải lên: 12/08/2014, 16:20

Ngày tải lên: 12/08/2014, 16:20

... 4-BrC 6 H 4 b 49 80:20 3 4-MeO(CO)C 6 H 4 c 70 79:21 44-F 3 CC 6 H 4 d 44 77:23 53-FC 6 H 4 e 52 78:22 63 -ClC 6 H 4 f 61 79:21 7 3-BrC 6 H 4 g 66 79:21 8 c 2-ClC 6 H 4 h 32 23:77 a General reaction ... 127:1 161 6–1 161 7 Yang JW, Hechavarria Fonseca MT, List B (2004) A Metal-Free Transfer Hy- drogenation: Organocatalytic conjugate reduction of α,β-unsaturated alde- hydes. A...

Ngày tải lên: 12/08/2014, 16:21

... prime variable. Secondary Controller Primary controller FIG 6. 1. Cascade control resolves the process into two parts, each within a closed loop. 1 56 1 Multiple-loop Systems The vector gain of ... constant gain for the primary loop. RATIO CONTROL SYSTEMS In a ratio control system, the true controlled variable is the ratio K of two measured variables X and Y: K=; (6. 3) Contr...

Ngày tải lên: 12/08/2014, 16:21

... 8 415 (19 90). 59. X. Zhao, Y L. Chang, F.W. Fowler, and J.W. Lauher, J. Am. Chem. Soc. 11 2: 66 27 (19 90). 60 . Y L. Chang, M A. West, F.W. Fowler, and J.W. Lauher, J. Am. Chem. Soc. 11 5: 59 91 (19 93). 61 . ... Chem. Soc. Chem. Commun. 14 01 (19 94). 86. S. Bhattacharya and S.N.G. Acharya, Chem. Mater. 11 : 312 1 (19 99). 87. S. Kobayashi, K. Hanabusa, M. Suzuki, M. K...

Ngày tải lên: 13/08/2014, 05:20

... installed and the following information is usually provided: ᭹ Wiring schedule. ᭹ Cableform template. ᭹ Run-out sheet or table. 5.1.1. Wiring schedule This gives details of the wires used in the ... plug body onto the contact assembly. ᭹ Hold the plug body and screw the cap into position. 4.7 .6. Fitting a coaxial socket ᭹ These are normally chassis-mounted sockets. ᭹ The centre conductor...

Ngày tải lên: 13/08/2014, 16:21