Industrial Machinery Repair Part Episode 2 Part 9 pptx

... × 3.14 2 + driven diameter × 3.14 2 + center to center × 2 Use the formula above to find the belt length. Belt length = 6" × 3.14 2 + 12& quot; × 3.14 2 + 35" × 2 98 .26 " or 98 " ... × 2 98 .26 " or 98 " = 6" × 3.14 2 + 12& quot; × 3.14 2 + 35" × 2 V-Belt Drives 455 25 " 25 " Figure 23 . 19 Sheave alignment 2 Ne...

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... 125 .0 9 7 29 1 1/4 1 .95 5 1/4 145 9 1 /2 857 1 1 /2 3.38 5 1 /2 166.4 10 1000 1 3/4 5.36 5 3/4 190 .1 10 1 /2 1157 2 8.00 6 21 6 11 1331 2 1/4 11. 39 6 1/4 24 4 11 1 /2 1 520 2 1 /2 15.63 6 1 /2 275 12 1 728 2 ... 1 728 2 3/4 20 .80 6 3/4 308 12 1 /2 195 3 3 27 .00 7 343 13 21 97 3 1/4 34.33 7 1/4 381 14 27 44 3 1 /2 42. 88 7 1 /2 422 15 3375 3 3/4 52. 73...

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... 451 2. 05 488 2. 49 523 2. 96 406 1.63 425 1.83 461 2. 27 493 2. 72 5 29 3 .21 421 1.84 4 39 2. 06 473 2. 51 305 2. 99 537 3.50 438 2. 08 454 2. 31 486 2. 79 517 3 . 29 547 3.81 455 2. 34 471 2. 55 501 3. 09 531 ... 444 2. 01 4 62 2. 32 4 79 2. 65 496 2. 98 513 3. 32 18776 1800 467 2. 31 483 2. 63 499 2. 97 516 3.33 5 32 3.68 17708 190 0 4 89 2. 65 504...

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... diameter D 2 = second pitch diameter C = D 1 + D 2 2 D 1 = 2C −D 2 D 2 = 2C −D 1 Example: The center distance can be found if the pitch diameters are known (illustration in Figure 14 .9) . ... or excessive clearance changes sideband spacing 29 8 Gears and Gearboxes 90 ° Figure 14 .22 Miter gears, which are shown at 90 degrees Figure 14 .23 Typical set of miter gears this sliding...

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... journals—in SUS ratings Surface speed ft./min. Below 32 ◦ 32 ◦ –150 ◦ 150 ◦ 20 0 ◦ Below 150 42 65 150 150–300 42 65 120 300–750 42 50 65 Over 750 42 50 55 328 Lubrication the separators because the components ... Figure 15 .2. 123 4567 891 011 12 0 50 100 150 20 0 Particle count / PPM Month Monthly samples Press Hydraulic System Hydraulic Fluid Samples Component failure Potenti...

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... problem and make a permanent repair. 8 Ensure maintenance personnel performing lubrication practices score at least a 90 % on the lubrication assessment in Chapter 3. 9 ALWAYS read and follow lubrication ... are selected based on the particular requirements of the application. The propeller/paddle mixer is also available in a side-entering configuration, which is shown in Figure 18 .2. Th...

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... into the stuffing box (Figure 19. 11). 22 Install the lantern ring in its correct location within the gland. Do not force the lantern ring into position (Figure 19. 12) . 23 Tighten up the gland bolts ... packing rings. 19 Lubricate each ring lightly before installing in the stuffing box. NOTE: When putting packing rings around the shaft, use an “S” twist. Do not bend open. See Figure 19. 9...

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... Figure 21 .5. Precision Measurement 393 7 0 654 321 Figure 20 .11 Exercise 2 54 321 1 2 22 23 24 3 0 Figure 20 . 12 Exercise 3 Precision Measurement 3 89 0 12 20 0 5 10 15 3456 Figure 20 .5 Micrometer 0 5 20 321 0 0 1 2 Vernier ... the Precision Measurement 387 54 321 3 1 0 2 22 23 24 Figure 20 .1 Outside micrometer Frame Thimble SpindleAnvil Lock 54 321 1 2 3...

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... • Source: Integrated Systems Inc. Pumps 421 Frequency 1ϫrpm 2 rpm Vane pass (# vanesϫrpm) Recirculation accompanied by some cavitation Velocity Figure 21 .22 Vane pass frequency as smoothly into ... velocity as it exits the tips of the impeller vanes; therefore, the fluid does not flow Pumps 4 29 Table 21 .2 Common failure modes of rotary-type, positive-displacement pumps THE PROBLEM THE...

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... intervals; 2 List all measurement standards; Introduction: Why Use Best Maintenance Repair Practices? 9 ● The maintenance manager needs to conduct monthly spot checks on randomly selected PMs and repairs ... MIL-C-456 62 and provides a good outline in the military standardization handbook MIL-HDBK- 52, Evaluation of Contractor’s Calibration System. The prin- ciples are equally applicab...

Ngày tải lên: 05/08/2014, 11:20