Right Hand Lay Wire Rope
So to further reduce the affects of rope torque when loaded it is advisable to have a left and right hand laid rope in the winding system.
Right hand lay wire rope. In this instance the lay is to the left rather than to the right as in the right lang lay. Right hand lang s lay. The rope in the left hand lay photo shows one left hand lay rope from left to right and top to bottom. In left lang lay rope the wires in the strands and the strands in the rope are also laid in the same direction.
For left handed drum right hand rope. Figure 13 4 lays of wire rope. Clips are usually spaced about six wire rope diameters apart to give adequate holding power. Right hand regular lay.
A cross lay conventional lay the strands of a so called conventional wire rope have equal sized wires in all layers. This core can be one of three types. The idea of lay is used to describe three different characteristics of wire rope. Steel wire ropes are conventionally produced right hand lay unless special circumstances require left hand lay.
Right hand lang lay rhll wire rope close up. To describe the direction in which the wires are stranded in relation to the direction of the strands in the completed rope e g. The first is a fiber core made up of synthetic material or natural fibers like sisal. This can be either left or right.
Cross section of wire rope. Stranded ropes are an assembly of several strands laid helically in one or more layers around a core. If the strands appear to turn in an anti clockwise direction or like a left hand thread as the strands progress away from the viewer the rope has a left hand lay. Right or left lay refers to the direction in which the strands rotate around the wire rope.
They should be tightened before the rope is placed under tension. In a four rope hoist application the ropes should be installed left hand lay then right hand and left then right hand lay again not two left and then two right. Ordinary lay or lang s lay. When the strands rotate in a counterclockwise direction as the threads do in a left hand bolt the rope is left lay.
For right handed drum left hand rope. Right hand lay strands are laid into a right hand lay rope. If the strands rotate around the rope in a clockwise direction as the threads do in a right hand bolt the rope is said to be right lay. Using the right hand for right lay wire rope and the left hand for left lay wire rope the clenched fist denotes the drum the extended index finger the oncoming rope.
The picture of steel wire rope on this page shows a rope with right hand lay.