As an elevator s means of propulsion is through its steel wire ropes or cables asme a17 6 2017 which is also intended to be used in conjunction with asme a17 1 addresses the material properties testing inspection and replacement criteria for elevator suspension and compensation systems.
Elevator wire rope specifications standards.
Gives specifications concerning diameter ovality tensile strength tests acceptance conditions for steel wire to be used for elevator ropes only.
Elevator hoist rope with steel core iwrc steel core elevator hoist ropes are used where additional strength is required without increasing the diameter of the wire rope.
An additional benefit of the.
American steel wire co s 1913 catalog illustrated the widespread use of wire rope and contained a wealth of information which was presented in a textbook format.
More than two broken wires in one rope lay located in rope beyond end connections and or more than one broken wire in a rope lay.
The above indian standard covers the requirements of single double and triple sheave pulley blocks of nominal sheave sizes from 160 mm to 320 mm dia suitable for wire ropes of.
In rotation resistant ropes.
1926 1413 a 2 ii a 3 in pendants or standing wire ropes.
6 30 2014 3 17 49 pm.
It defines the nominal tensile strengths of the outer and inner wires.
By 1900 the use of wire rope was an accepted feature of the industrial landscape and the use of standard elevator wire rope was an equally accepted aspect of elevator operation.
1991 sheave pulley blocks for wire ropes specification pulley blocks for wire ropes form an integral component in the usage of wire ropes.
Wire ropes we coss1srenr trm in of by usha martin iso 14001 รข004.
Two randomly distributed broken wires in six rope diameters or four randomly distributed broken wires in 30 rope diameters.
European and international elevator rope standards en 12385 5 2 also 4344 3 have coined the term rope grade to describe rope strength.
Applies to new steel wire of between 0 25 and 1 8 mnm diameter used solely for manufacture of elevator ropes.
Does not apply to steel wires taken from a rope.
Suspension ropes bigger in diameter than 16 mm 5 8 with 6 to 9 outer strands should have at least filler wire strands because of better flexibility.
This international standard specifies the minimum requirements for the manufacture and testing of stranded carbon steel wire ropes used for suspension duty on traction drive and roped hydraulic lifts and for compensation and governor duties on passenger and freight lifts dumbwaiters personnel hoists and man lifts moving between guides.
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