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Tower Crane Wire Rope

Import, production and distribution of steel ropes tow wire for tower cranes in Kariz industrial equipment.

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Feature of tower crane tow wire:
Safety and reliability are very important for wire ropes used in the building construction sector. The tendency towards the operation of machines with maximum capacity also requires the prevention of very costly breakdowns caused by the poor performance of wire ropes.
Depending on the application, they usually offer compact or non-compact rotation resistant lifting ropes for all tower cranes.

The structure and arrangement of the tower cranes towing wire:
Wire ropes that are used in tower cranes must have the most important feature of this category of wire ropes, i.e. non-rotating Wire Rope. Rotation Resistant towing wire in loading operation. Due to the fact that tower cranes move heavy equipment and machinery in workshops at heights higher than usual, the rotation of the load at these times may lead to irreparable damages. The only type of tow rope that provides us with the possibility of not rotating during loading is the netab tow rope or so-called snake skin tow rope.
Netab wire ropes have a large number of threads or strands, which are made with a small number of wires in each of these threads. This type of twist-resistant tow wire is created by twisting the outer layer of the steel rope in the opposite direction to the inner layers of the rope in the factory and during production. In these tugs, when the rope is under tension, the opposite rotational forces cancel each other.
Netabs tow wire is often in the highest category in terms of tensile strength among other tow wire structures, and it usually starts from 1960 Mpa and sometimes reaches 2160 MPa.
The common structure of netab towing wire is the weave of several strands in which 7 steel wires are used in each strand. This structure in the arrangement of the tow wire leads to the texture of two widely used structures for the netab tow wire, including the structure of 7x35 and 7x19.
The rotational and non-rotational resistance properties of the tow wire increase with the number of outer strands and the number of layers of strands in the section. Therefore, a tow wire with at least 14 outer strands and at least 3 layers is a very good non-twisting rope.
Wire ropes with 11-13 outer strands and 2 layers of strands have good non-rotating properties.
Wire ropes with 8-10 outer strands and 2 layers of strands have medium non-rotating properties.

Is it possible to use a normal towing wire to work with equipment such as a tower crane that requires a retractable towing wire?
No, in any case, we must be aware of the consequences of this because it brings the following risks:
Strong twisting and even unfolding during load maneuvering
The rotation of the barge may go out of control
Reducing the minimum breaking load
The tow wire gets tired sooner



The best type of towing wire in tower cranes is with the following technical specifications:
35W*7-16mm Steel Wire Rope for 12-14t Tower Crane
Tower Crane Wire Rope Parameter:
Model: 35W*7-16
Nominal Rope Diameter mm: 16
Weight kg/100m: 118
Rope Grade Mpa: 1770
Model Nominal Rope Diameter mm Weight kg/100m Rope Grade Mpa
1570 1670 1770 1870 1960 2160
Minimum breaking load kN
35Wx7-12 12 66.2 81.4 86.6 91.8 96.9 102 112
35Wx7-14 14 90.2 111 118 125 132 138 152
35Wx7-16 16 118 145 154 163 172 181 199
35Wx7-18 18 149 183 195 206 218 229 252
35Wx7-20 20 184 223 240 255 269 282 311
35Wx7-22 22 223 274 291 308 326 342 376

WEBSITE: Tower Crane Wire Rope Iran