General Information of Wire Rope

Important Things About Steel Wire Rope
Wire Rope Components
1. The wires of bundles,
2.Around the helical bundles and wrapped as a self-
3. Life in the center of the bunch has been referred to as self-serving as cine.
Measurement of the Diameter of Steel Wire Rope
The diameter of the steel wire rope encircles the outer wires
and strands including the cross-section. The measuring
device must touch two strands.     
Wire Core 
Wires are divided into 3 different groups;
fiber core, strand core, and steel core.

Direction of Wire and Strand Helix

Spooling/Anchorage of Rope on Drum
• Wires are produced with no inner stress.
• Inappropriate spooling causes stress and decrease lifetime
of the wire.
A.Right-hand regular lay - upper spooling should be right to left.
B.Right-hand regular lay - lower spooling should be left to right.
C. Left-hand regular lay - Upper spooling should be right to left.
D. Left-hand regular lay - Upper spooling should be left to right.

Ideal Pulley Groove
A Greater contact area between the rope and the pulley reduces abrasion and enhances service life. The diameter of the groove is
measured with diameter straightedge. If the wire rope tolerance of an open chase is considered 5%, the ideal chase Groove should
be 5% greater than the minimum nominal diameter of the rope. The maximum groove tolerance is 5%.

Steel Wire Rope Compositions and Pulley Ratios
Fleet Angle
Fleet Angle: is the angle shown by the perpendicular line that goes from the center
of the chase to the drum flange and the drum center. Categorized as left and right.
The angle is expected to be in the recommended tolerance rates. Otherwise, it affects
the wire’s service life.
To increase the performance and service life of wire, fleet of angle should be
1,5 angle on flat drums, and should not be more than 2,5 angle on grooved drums.

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