Customization: | Available |
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Certification: | ISO, CE |
Surface: | Spiral |
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The service life of cable and wire rope can be increased if (1) it operates over the largest possible pulley or sheave diameter, and (2) it is properly supported in the pulley or sheave groove. The working life of the individual wire strands is greatly reduced as the pulley or sheave diameter is diminished. The chart below shows minimum tread diameters over which various sizes and constructions of cable should operate.
RATIO OF CABLE DIAMETER TO PULLEY DIAMETER (D:d Ratio) | ||||||||
Desirable Minimum (mm) | Critical Minimum (mm) | |||||||
42:1 | 24:1 | 12:1 | 28:1 | 18:1 | 10:1 | |||
Cable Diameter in Inches |
Cable Diameter in mm | 6x7 or 7x7 |
6x19 or 7x19 |
6x31 7x31 6x37 |
6x7 or 7x7 |
6x19 or 7x19 |
6x31 7x31 6x37 |
|
1/32 | 0.8 | 34 | ---- | ---- | 22 | ---- | ---- | |
1 | 42 | ---- | ---- | 28 | ---- | ---- | ||
3/64 | 1.2 | 50 | 29 | ---- | 34 | 22 | ---- | |
1.5 | 63 | 36 | ---- | 42 | 27 | ---- | ||
1/16 | 1.6 | 67 | 38 | ---- | 45 | 29 | ---- | |
2 | 84 | 48 | ---- | 56 | 36 | ---- | ||
3/32 | 2.38 | 100 | 57 | ---- | 67 | 43 | ---- | |
3 | 126 | 72 | ---- | 84 | 54 | ---- | ||
1/8 | 3.2 | 134 | 77 | ---- | 90 | 58 | ---- | |
5/32 | 4 | 168 | 96 | ---- | 112 | 72 | ---- | |
3/16 | 4.8 | 202 | 115 | ---- | 134 | 86 | ---- | |
5 | 210 | 120 | ---- | 140 | 90 | ---- | ||
7/32 | 5.56 | 234 | 133 | ---- | 156 | 100 | ---- | |
6 | 252 | 144 | ---- | 168 | 108 | ---- | ||
1/4 | 6.35 | 267 | 152 | 76 | 178 | 114 | 64 | |
7 | 294 | 168 | ---- | 196 | 126 | ---- | ||
5/16 | 7.9 | 332 | 190 | 95 | 221 | 142 | 79 | |
8 | 336 | 192 | 96 | 224 | 144 | 80 | ||
9 | 378 | 216 | 108 | 252 | 162 | 90 | ||
3/8 | 9.5 | 399 | 228 | 114 | 266 | 171 | 95 | |
10 | 420 | 240 | 120 | 280 | 180 | 100 | ||
7/16 | 11 | 462 | 264 | 132 | 308 | 198 | 110 | |
12 | 504 | 288 | 144 | 336 | 216 | 120 | ||
1/2 | 12.7 | 533 | 305 | 152 | 356 | 229 | 127 | |
13 | 546 | 312 | 156 | 364 | 234 | 130 | ||
9/16 | 14 | 588 | 336 | 168 | 392 | 252 | 140 | |
5/8" | 16 | 672 | 384 | 192 | 448 | 288 | 160 | |
18 | 756 | 432 | 216 | 504 | 324 | 180 | ||
3/4 | 19 | 798 | 456 | 228 | 532 | 342 | 190 | |
20 | 840 | 480 | 240 | 560 | 360 | 200 | ||
7/8 | 22 | 924 | 528 | 264 | 616 | 396 | 220 |