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Wire Rope with Compacted Outer Strands

Published in Speciality ropes
Wire Rope with Compacted Outer Strands
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STO 71915393-TU 091-2010

Product description

As outer strands of the rope go through crimping wheels, the strand becomes thicker – metal cross sectional area increases, strand form becomes smoother, and round, therefore the following advantages are achieved:

  • increased wear resistance of wires
  • decreased blocks groove wearing
  • high tensile strength
  • higher lateral compression strength

Organic fillers inside the rope serve as additional lubrication source which enables to protect the core from corrosion and reduce friction between rope core and outer strands.

Polymer material between the independent wire rope core and the outer strands protects the core from corrosion and decreases wire wear caused by strand friction on the core

These advantages extend the operational life of the rope and significantly reduce operating costs.

Construction

6хЗ6WS + 6х7 + 1х7

  • Type 1 - with compacted outer strands
  • Type 2 - with compacted outer strands and 6 organic fillers between the external and internal layers of the rope
  • Type 3 - with compacted outer strands and polymeric filling between the independent wire rope coreand outer strands

Technical characteristics

Diameter, mm
Weight 1000 m, kg
Minimum breaking load, kN
Type 1
Type 2
Type 3
35,5
5 770
5 840
5 830
900
36,5
6 090
6 160
6 160
951
39,0
6 720
6 800
6 790
1 052
41,0
7 600
7 690
7 668
1 187
42,0
7 970
8 070
8 060
1 247
45,5
9 270
9 380
9 370
1 447
49,0
10 790
10 920
10 900
1 686
52,0
12 290
12 440
12 420
1 921
57,0
14 390
14 560
14 550
2 251
60,5
16 410
16 610
16 590
2 567
61,5
16 910
17 110
17 090
2 646
64,0
18 220
18 430
18 410
2 852
68,0
20 520
20 760
20 740
3 215

The ropes of 1670 N/mm2 grade are manufactured from bright wire of the following grades: 1570 N/mm2 – outer layer of external strands; 1770 N/mm2 – the rest of the wires

Due to the use of a lower grade wire in the outer layer of strands wire deformation takes place, and the contact area of wire with a block groove increases. It all results in less abrasive wear of the wires as well as the block grooves.

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