7 and 8 strand ropes : applications in ropeways - OITAF

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Fibre core dimensioning The fibre core The closing process
Rope dynamic prestretching The scope is to reduce the elongation of the rope when loaded. Knowing that the splice area is the most critical part of the rope, the absolute value of the rope elongation should be selected to allow one additional rope splice (The tucks of a rope with no elongation at all, can not be relocated). This process consists of loading and bending the rope during its manufacture over a double traction winch (the first half of the machine increases the load to the rope, the second half lowers the load). The tension applied at the rope can be adjusted, using a hydraulic driven sheave, up to 80 tons. The pre-stretching machine, which is about 90 m long, increases the time during which the rope is under tension, improving the effect of the prestretching.
Page 1 and 2: 7 and 8 strand ropes : applications
Page 3 and 4: Hauling rope interfaces The load is
Page 5 and 6: Hauling rope interfaces The ropes r
Page 7 and 8: Hauling rope interfaces The smaller
Page 9 and 10: Hauling rope design criteria Charac
Page 11 and 12: Fibre core dimensioning The core is
Page 13: Step 3 Fibre core dimensioning To d
Page 17 and 18: Rope prestretching Wire rope stretc
Page 19 and 20: Tail wrapping material Splice longi
Page 21 and 22: Tail wrapping material The final re
Page 23 and 24: Experimental results ROLLER' VIBRAT

7 and 8 strand ropes : applications in ropeways - OITAF

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