Bridon Technology Centre - page 6

WIRE AND SYNTHETIC ROPE
DESTRUCTION TESTING AND
WIRE TENSILE TESTING
The quality, integrity and ability of a rope to carry loads
safely is a function of the tensile strength of the wire
combined with the design and quality of manufacturing
employed to produce a wire strand and subsequent rope.
To expand our understanding and ability to test and verify
new and existing rope designs Bridon has invested in
tensile testing equipment for wire and breaking force test
equipment for wire and fibre ropes.
These machines help to establish a rope’s actual breaking
strength after manufacture or residual break strength after
service. We also undertake post breaking load evaluation
after destruction testing to evaluate the mode fracture
within the sample.
Bridon has three tensile test machines capable of breaking
steel ropes up to 800 tonnes and fibre ropes up to 125
tonnes. These machines are occupied with diameter and
rope modulus measurement devices.
ROPE TORQUE-TURN TESTING
Different rope constructions exhibit varying degrees of
torque and rotation characteristics under load, dependent
on rope material and design. To better quantify, understand
and then eliminate this phenomenon, Bridon has increased
Rope Torsion Testing capability with the addition of a unique
1,500kN Torsion Test Machine.
ROPE BEND FATIGUE TESTING
For many applications the life expectancy and performance
of the rope is determined by its ability to endure the fatigue
associated with repeated bending over sheaves used in
lifting, lowering and conveying equipment.
Our purpose made Bend Fatigue Machines can replicate
these dynamic operating conditions including reverse
bending to provide more accurate measurement of the
deterioration of rope performance.
WIRE AND SYNTHETIC ROPE
FORENSIC ANALYSIS
The BTC is equipped with forensic analysis laboratories
and specialists capable of performing rope strip down
examinations to undertake a detailed visual condition
assessment (corrosion, lubrication and general wear and
tear) of rope and mechanical testing of individual wires to
establish aggregate breaking strength. We also carry out
metallurgical analysis to determine micro structure and
properties of materials and 3D Macro analysis to investigate
surface defects and damages on wire rope steel surface.
Our customers increasingly avail this service to perform
either in-service or post-service analysis of ropes to achieve
performance feedback or understand any deterioration
levels to improve safety, avoiding unplanned downtime
and improve service life of ropes.
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