non rotating wire rope specifications quotation

For industries that use wire rope, it’s frustrating and potentially dangerous if the rope spins or rotates. Unless using non-rotating steel wire rope, it can take longer than necessary to complete a job. At Murphy Industrial Products, Inc., we have a perfect solution. Our line of non-spin wire rope is reliable, safe, and cost-effective.

We manufacture our non-rotating wire rope in compliance with the Federal Specification RR-W-410E. That means our 35x7 wire rope meets or even exceeds industry standards. In addition, the non-spin wire rope we manufacture meets the performance requirements of both API-9A and A.S.T.M. A1023/1023M Wire Rope. So, it is rated as a top-of-the-line rope for general purposes.

One advantage of buying non-rotating steel wire rope manufactured by Murphy Industrial Products is that we keep a broad range of products in stock. If you need to have a product delivered quickly, we can accommodate. In fact, if you place an order for non-spin wire rope before 3:30 p.m. C.S.T., Monday through Friday, we can ship it out to you that same day at no extra charge.

The non-rotating wire ropes we produce are of the highest quality possible. They are ideal for building cranes, mobile cranes, offshore cranes, and main hoists. Our non-spin wire ropes can handle a range of minimum breaking loads, from 5.1 tons to 138 tons.

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Rotation resistant wire rope refers to a series of steel ropes which minimizes the tendency to spin or rotation under load. These wire ropes boast special design - the outer layer is twisted in the reverse direction of inner layers for counteracting torsional forces generated from multi-layers of strands.

To achieve the resistance against the spin and rotation, all wire ropes are composed of at least two layers of strands. In general, more layers a rotation resistant wire rope has, more resistance it will boast. For example, 2-layer ropes is much easier to spin and rotate than 3-layer ones. Meanwhile, if one end of free rotation is allowed, 2-layer rope can only develop 55% to 75% of its breaking strength comparing with 95% to 100% of 3-layer ropes.

The 3-layer rope with more outer strands is capable to distribute more radial pressure onto inner layers and ideal for larger mobile such as all tower cranes.

Wire ropes with 8 to 10 strands & 2-layer constructions without reversely twisted inner strands have very similar appearance to rotation resistant wire ropes, but they are not.

Rotation resistant wire ropes are considered to be less stable needing to be handled and installed with great care. They must be taken to avoid high loads with small diameter sheaves.

YES, Compac 35® ropes can be used with a swivel at the end. In fact, we suggest you use a swivel during installation and the ‘break in’ period to get the rope settled. After the break in period you can lock the swivel to stabilize the rope.

When properly used Compac 35® is stable against block twisting. Fleet angles, small sheaves, small line spacing, low block weight will negatively impact this characteristic.

Main and auxiliary hoist line for European type mobile cranes as well as all types of construction tower cranes which require a high strength rotation resistant rope construction. Excellent rotation resistant properties make this rope the preferred choice for all single and multiple line reeving applications.

This rope is constructed from 16 outer die-drawn strands over 12 inner die-drawn strands. The compacted Lang Lay strands reduce interlocking while spooling onto multiple layer drums as well as inter strand and inter layer nicking. Improved abrasion resistance because of increased wire surface contacting the sheave.

This rope is suited to be used on tower cranes as well as European made mobile crane models. The large number of outer strands distribute the pressures introduced by sheaves and drum more evenly onto the core minimizing the danger of unexpected rope failures because of undetected core deterioration.

Aside from this safety issue PYTHON® COMPAC 35 satisfies the high-strength requirements of late model tower and mobile cranes which can NOT be met with either 19×9 or 19×19 style ropes.

Note: The maximum CAPACITY, WORKING LOAD LIMIT (WLL),or LINE PULL of the rope usually is 1/5 of the below stated values. For specific information consult the standards applicable to your rope application.

Recommended to be used on tower, European type mobile and offshore cranes. Available in left and right hand lang’s lay construction. Recommended if you require a rope for single line hoisting applications.

Main and auxiliary hoist line for mobile and for all types of construction tower cranes which require a high strength rotation resistant rope construction.

The large number of outer strands distribute the pressures introduced by sheaves and drum more evenly onto the core minimizing the danger of unexpected rope failures because of undetected core deterioration.

Aside from this safety issue PYTHON® COMPAC 35 satisfies the high-strength requirements of late model tower and mobile cranes which can NOT be met with neither 19 x 7 nor 19 x 19 style ropes.

Some sizes of Python® Compac 35 are available in right AND left hand lay to comply with OEM specifications (LinkBelt, Grove, Favelle Favco, Terex, Krupp, Demag, Liebherr, etc.).

Main and auxiliary hoist line for mobile and for all types of construction tower cranes which require a high strength rotation resistant rope construction.

The large number of outer strands distribute the pressures introduced by sheaves and drum more evenly onto the core minimizing the danger of unexpected rope failures because of undetected core deterioration.

Aside from this safety issue PYTHON® COMPAC 35 satisfies the high-strength requirements of late model tower and mobile cranes which can NOT be met with neither 19 x 7 nor 19 x 19 style ropes.

Some sizes of Python® Compac 35 are available in right AND left hand lay to comply with OEM specifications (LinkBelt, Grove, Favelle Favco, Terex, Krupp, Demag, Liebherr, etc.).

Actual operating loads may vary. NEVER exceed the recommended design factor of 20% of catalogue strength. Wire Rope must have the strength required to handle the maximum load plus a design factor. The design factor is the ratio of the breaking strength of the rope to the maximum working load.

Rope Services Direct supplies a variety of anti-spin non rotating wire rope (also called rotation resistant wire-rope). All standard rope wirehas a tendency to develop torque and therefore prone to rotation, whereas non-rotating wire ropes are designed so that the wire-rope outer rotational force naturally counteracts the inner strands rotational force. This is in the event that a rope is subjected to a load.

Rope elongation and rotation occurs on standard ropes when loaded, which can therefore spin the load, quite possibly out of control, which can be dangerous. When the rope rotates in this way the strands will begin to unravel. This causes the rope to lose strength and will undoubtedly fail, which could be catastrophic. It is for these reasons that non rotating wire rope is commonly used for many types of lifting applications including main hoist rope, whip rope,crane rope, off-shore and deck rope and more.

Non rotating wire rope or rotation resistant wire rope has a different construction to standard. as wires and strands are not laid in the same direction like they would be on standard rope. Inner and outer strands of wires are laid in opposite directions. For example the inner may be constructed in left hand lay whilst the outer layer is in right hand lay. The nature of this construction means that torsional forces on the inner and outer wires/strands will counteract each other and therefore minimising the risk of unraveling.

It is worth noting that the number of strand layers will have an effect of the resistance of rotation. A 2 layer rope has less resistance than a 3 layer rope. Therefore the more layers the rope has the greater rotation resistance it will have.

These types of ropes can be classified as spin resistant, rotation resistant or non rotation resistant. Classed on the basis of the number of rotations a certain length of rope does when a force of 20% of the MBF is applied; with 1 turn or less the rope will be classified as non rotating; with rotations between 1 & 4 the rope is classed as low rotation and for rotations between 4 & 10 the rope will be classified as spin resistant, any higher and the rope is NOT rotation resistant at all.

Correct usage and care with handling will prolong the working life. This is due to the friction on the inner wires caused by the strand crossover’s which will eventually cause the inner wires to break up. This is more apparent on non rotating wire rope with two layers. Ropes with 3 or more strand layers will distribute the radial pressures more evenly. Which will reduce friction and stress on the inner wires.

Regular,thorough inspectionsof non rotating rope are essential due to the fact that it is the inner strands that often break first and broken internal wires often go unnoticed as they are difficult to see.Rope Services Direct offer inspectionson all rope with certification issued on completion.

Holding both ends of the rope will prevent unraveling. Correctly fitted terminations will help to prevent damage. Kinking and unraveling may occur and they can also have an effect on the rotational balance if not fitted correctly.

Widely used for hoisting unguided loads with a single part of rope. Typical applications are hoisting ropes on Derricks, boom cranes, shaft sinking hoists and freely suspended mine hoists. Both 19 X 7 and 8 X 19 are bright, right regular lay wire ropes.

Widely used for hoisting unguided loads with a single part of rope. Typical applications are hoisting ropes on Derricks, boom cranes, shaft sinking hoists and freely suspended mine hoists. Both 19 X 7 and 8 X 19 are bright, right regular lay wire ropes.

We provide Best of Best quality Wire rope as per customer requirement and price wise starting with USHA MARTIN, BWR,BEDMUTHA,OREINT,VIKRANT,NAVIN as per client requirement all with Test certificate

Established in the year 2015at Chennai, Tamil Nadu, We INDUSTRIAL LIFTING & TACKLES are a Sole Proprietorship (Individual) based firm, involved as the wholesaler, distributor and manufacturer of Material Handling Equipments, Wire Rope Sling, Chain Slings, Polyester Slings & All kind of Lifting Equipments and Accessories. Our organization always ensures the best quality of products. The quality of these products is maintained by our skilled and experienced professionals.

Manufacturer of standard and custom wire ropes made from phosphorous bronze, Monel®, Inconel® and stainless steel materials. Available in various cable dia. with color and coating options. Features include bright wire, galvanized, rotation and corrosion resistance. Suitable for straight line, medical devices, winches, exercise equipment, aircraft control, rigging and railing applications. Secondary services such as design, CNC machining, electric cutting, extrusion, hydroforming, swaging, coating, tensile testing and zinc die casting are also provided. Serves the aircraft, agricultural, automotive, construction, entertainment, lighting, marine, material handling, medical, military and security industries. Most items available in stock.

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Multi Layer non rotating wire rope is also called resistance rotary wire rope. Multi storey non rotating wire rope specifications: 35W*7,18*7,19*7,18*19S. Among them, 18*7,19*7 is also called micro rotary wire rope and half rotary wire rope. Non rotating wire rope is mainly used for wharf crane, electric hoist crane, automobile crane, tower crane. The structure wire rope specifications: 18*7-3mm-60mm, 35W*7-12mm-60mm

The steel wire rope of the rotary excavator must first withstand the extrusion resistance, so the wire rope and rope must be rolled. Secondly, it must have good wear resistance, so the special steel wire rope steel wire for the rotary excavator is required as a flat steel wire, so the contact surface of the wire rope and the wheel groove is larger, third, the wire rope has to be revolving, so the special steel of the rotary excavator is made. The wire rope 35W*K7 and 35T*7 are born in this case; the Sany, the South car, the Xugong, the north and so on are used for the use of this type of wire rope, the Chengdu rotary excavator wire rope, the Chongqing rotary excavator wire rope, the Bijie rotary excavator wire rope, the Zhengzhou rotary excavator wire rope, the Guiyang Roger wire ropes, Hangzhou rotary excavator wire rope . The wire ropes of the rotary excavator are all clear 35W*K7