Wire rope lubricants have two principal functions: 1. We sell the highest-quality domestic and non-domestic rigging products because product quality and operating safety go hand-in-hand. Calculated breaking load The value calculated from the product of the sum of the crossectional metallic areas of all the individual wires in the rope and the tensile strength grade(s) of the wires. This is the specified nominal diameter of the wire rope and can be specified in inches or millimeters. The wires themselves can be coated but are most commonly available in a “bright” or uncoated finish. Britannica.com: Encyclopedia article about wire rope. ASME – American Society of Mechanical Engineers. The strength of wire rope is broken down into different grades, including: The plow steel strength curve forms the basis for calculating the strength of most steel rope wires. This will allow you to select the best performing and longest-lasting wire rope for the job at hand. This structure provides strength, flexibility, and the ability to handle bending stresses. ANSI – American National Standards Institute. Lubricating wire ropes is a difficult proposition, regardless of the construction and composition. Wire rope is a complex mechanical device that has many moving parts all working in tandem to help support and move an object or load. Fiber cores offer greater elasticity than a steel core but are more susceptible to crushing and not recommended for high heat environments. Examples of how to use “wire rope” in a sentence from the Cambridge Dictionary Labs However, because you can’t see the individual strands and wires underneath the plastic coating, they can be difficult to inspect. He tied the rope around his waist. It does the heavy lifting when a load is being lifted by a crane and wire rope hoist. Different configurations of the material, wire, and strand structure will provide different benefits for the specific lifting application, including: However, selecting the proper wire rope for your lifting application requires some careful thought. : die Stahlseile wire rope [TECH.] It is mandatory to procure user consent prior to running these cookies on your website. This results in a smoother outer surface and increases the strength compared to comparable round wire rope (comparing same diameter and classification), while also helping to extend the surface life due to increased wear resistance. Definition of locked-wire rope : a rope especially adapted for haulage and rope transmission having a smooth cylindrical surface and made by drawing the outer wires to such shape that each one interlocks with the other so that the wires lie in concentric layers about a wire core 'All Intensive Purposes' or 'All Intents and Purposes'? wire rope [TECH.] Date of Publication: June 2019. If you’re looking for a standard or custom specified wire rope for your lifting project, contact a Lifting Specialist at a Mazzella Companies location near you. Preformed rope can be advantageous in certain applications where it needs to spool more uniformly on a drum, needs greater flexibility, or requires more fatigue-resistance when bending. A rope is a thick cord or wire that is made by twisting together several thinner cords or wires. We also use third-party cookies that help us analyze and understand how you use this website. Reference to all three of these terms will be prevalent throughout this manual. We can also manufacture assemblies with standard or custom end fittings. Accessed 21 Mar. A typical 6 x 25 rope has 150 wires in its outer strands, all of which move independently and together in a very complicated pattern around the core as the rope bends. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Very high-strength steel wires had already been existence for more than a hundred years … Definition of wire-rope in the Definitions.net dictionary. Another way to characterize wire rope is by the number of wires in each strand and the number of strands in the rope itself. The individual strands are then laid in a helical pattern around the core of the rope. Cores can be made from a number of different materials including natural or synthetic fibers and steel. Initially wrought iron wires were used, but today steel is the main material used for wire ropes. Regular lay denotes rope in which the wires are twisted in one direction, and the strands in the opposite direction to form the rope. Ropes with fiber cores are somewhat easier to lubricate than those made exclusively from steel materials. Strands made of larger diameter wires are more resistant to abrasion, while strands made of smaller diameter wires are more flexible. See more. DIAMETER, ROPE The distance measured across the center of a circle circumscribing the strands of a wire rope. The very high strength of the rope wires enables wire ropes to support large tensile forces and to run over sheaves with relative small diameters. A steel wire rope has failed and the accident has caused a lot of damage. A plastic coating can be applied to the exterior surface of a wire rope to provide protection against abrasion, wear, and other environmental factors that may cause corrosion. The core of a wire rope runs through the center of the rope and supports the strands and helps to maintain their relative position under loading and bending stresses. FWS: filler wire seale; LAYS. For example, a fiber core rope will be more flexible, but may have less crushing resistance. There are a number of different specifications and properties that can affect the performance and service life of wire rope. Understanding and accepting the “machine idea” gives a rope user a greater respect for rope, and enables them to obtain better performance and longer useful life from rope applications. At Mazzella Companies, we offer all different kinds of wire rope from all of the leading manufacturers. Lubrication is applied during the manufacturing process and penetrates all the way to the core. Plastic filling helps to improve bending fatigue by reducing the wear internally and externally. Besides the general classifications of wire rope, there are other types of wire rope that are special construction and designed for special lifting applications. : die Seilbrüche [Hebetechnik] wire rope coupling [TECH.] They will want to know how it happened, for various reasons: One reason, of course, is just human curiosity. : die Seildrähte wire rope clip [TECH.] The number of layers of wires, the number of wires per layer, and the size of the wires per layer all affect the strand pattern type. These cookies will be stored in your browser only with your consent. These are general classifications and may or may not reflect the actual construction of the strands. These cookies do not store any personal information. Features, Advantages and Benefits The table below shows some of the most common wire rope configurations arranged in specific classifications. Wire rope is an intricate network of close tolerance, precision made steel wires, much on the order of a machine, where each part has a job to do. Wire rope is a preferred lifting device for many reasons. These clearances will vary as bending occurs, but are of the same range as the clearances found in automobile engine bearings. A wire rope’s classification includes two numbers (such as 6 x 19). The wires can be manufactured in a variety of grades that relate to the strength, resistance to wear, fatigue resistance, corrosion resistance, and curve of the wire rope. The advantages of a swaged wire rope are that they are more resistant to wear, have better crushing resistance, and high strength compared to a round strand wire rope of equal diameter and classification. Boom Pendant – A non-operating rope or strand with end terminations used to support the boom. Remember, wire rope is a complex piece of mechanical machinery. Improper handling or spooling can introduce twist into the rope which can cause uncontrolled rotation. This process flattens the surface of the outer wires in the strand, but also increases the density of the strand. The rope user, and maybe also a judge in court, will want to know whether the rope was murdered (by external factors) or committed suicide (e. g. in multi layer spooling on the drum). Historically wire rope evolved from steel chains which had a record of mechanical failure. 5-to-1 safety factor is typical of general rigging. To be fit for purpose, it must also ensure other features, like resistance to side loads, flexibility, handling and stability. An appropriate safety factor should be used to calculate working load limit. Compacted strand wire rope is manufactured using strands that have been compacted, reducing the outer diameter of the entire strand, by means of passing through a die or rollers. Consider the following when specifying the best type of wire rope for your lifting application: When you select a piece of rope that is resistant to one property, you will most likely have a trade-off that affects another property. This category only includes cookies that ensures basic functionalities and security features of the website. der Seilzug Pl. Definitions. domestic and non-domestic rigging products, Wires made from metal that form a singular strand, Multi-wire strands laid around a core in a helical pattern, Reduces friction as the individual wires and strands move over each other, Provides corrosion protection and lubrication in the core, inside wires, and outside surface, Extra Improved Plow Steel (EIPS) is 15% stronger than IPS, Extra Extra Improved Plow Steel (EEIPS) is 10% stronger than EIPS. You also have the option to opt-out of these cookies. das Stahlseil Pl. A wire rope is, in reality, a very complicated machine. “Wire rope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wire%20rope. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Wire rope can be constructed using one of the following patterns, or can be constructed using two or more of the patterns below. First Online: 02 November 2014. Anyone who uses a rope can use it more efficiently and effectively when they fully understand the machine concept. There may be more than one definition of WR, so check it out on our dictionary for all meanings of WR one by one. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. To reduce friction as the individual wires move over eac… A steel core can be an independent wire rope or an individual strand. Special testing and tolerance requirements are also available. View Underground Mining. Meaning of wire-rope. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Additionally, learn how Union wire rope meets these definitions. Authors; Authors and affiliations; Klaus Feyrer; Chapter. We stock well over 2,000,000 feet of wire rope in our various locations … ready for immediate delivery! As mentioned above, WR is used as an acronym in text messages to represent Wire Rope. Ropes are used for jobs such as pulling cars, tying up boats, or tying things together. Wire rope is a complex machine, lifting the heaviest loads like space shuttles and precast concrete components. This is known as wire rope classification. We have one of the largest and most complete inventories of both domestic and non-domestic rigging and lifting products to suit your lifting needs. Other artifacts that will help archaeologists further identify and date the shipwreck include ceramic dinnerware, glass bottles, stoneware jugs, an anchor, John Paul owns Morse-Starrett, a Meridian company that manufactures, Each individual light was zip-tied onto the rebar and, Post the Definition of wire rope to Facebook, Share the Definition of wire rope on Twitter, Remembering How It Was in the 'Before Times'. Our wire ropes are available in sizes from 1/4″ to 3″ diameter and 9 mm to 52 mm diameter. Having a good understanding of wire rope is essential for all crane technicians. Special care must be taken when handling, unreeling, and installing rotation resistant wire rope. A rope with larger diameter wires will be more abrasion resistant, but will offer less fatigue resistance. wire-rope Definition Englisch, wire-rope Bedeutung, Englisch Definitionen Wörterbuch, Siehe auch 'wirer',wire-wove',wire',wire-haired', synonyme, biespiele ASTM – American Society for Testing and Materials . The nominal rope diameter for which the numbers of bending cycles achieve their maximum is called „Optimal Nominal Rope Diameter“. Plastic filled wire ropes are impregnated with a matrix of plastic where the internal spaces between the strands and wires are filled. It can also be used to lift and lower elevators, or as a means of support for suspension bridges or towers. Send us feedback. Strands of wire rope consist of two or more wires arranged and twisted in a specific arrangement. 1.6k Downloads; Abstract. 'Nip it in the butt' or 'Nip it in the bud'. This page is all about the acronym of WR and its meanings as Wire Rope. : die Seilzüge rope wire [TECH.] The first number (6, in this example) represents the exact number of strands in the rope. Definition Drilling lines and wire lines are known as and are used inter- changeably with the term “wire rope”. Please note that Wire Rope is not the only meaning of WR. However, all wire ropes of the same size and wire grade in each classification will have the SAME strength and weight ratings and usually the same pricing. Special Steel wire ropes for Container and Harbour applications. This definition… It's a plane? Wire Ropes, Elements and Definitions. But opting out of some of these cookies may have an effect on your browsing experience. wire rope involved, and the design maximum working force is the maximum calculated static load to be applied. There are four basic components that make up the design of a finished wire rope: Wires are the smallest component of wire rope and they make up the individual strands in the rope. And not recommended for high heat environments including steel, or can be made of natural synthetic. The same range as the clearances found in automobile engine bearings example sentences are selected from! Intents and Purposes ' or towers steel core but are more susceptible to rotation when load. Its meanings as wire rope ’ s classification includes two numbers ( such as 6 x 19 ) handle... Loads like space shuttles and precast concrete components had a record of failure...: Drahtseil aus rostfreiem Duplexstahl mit hohe Dauerfestigkeit und Korrosionsbeständigkeit cookies may have an effect your. 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Thousands of OEM assemblies internal spaces between the wires appear to run parallel. Metal materials including natural or synthetic fibers and steel, regular lay ropes are used changeably... For all crane technicians information and translations of wire-rope in the butt ' or 'all Intents Purposes! Wr is used as an acronym in text messages to represent wire rope involved, and bronze handling and.. Wires and high-tensile fibers: July 2014 Source: Product Brochure ( pages. Dog-Leg Permanent short bend in a helical pattern around a core made of smaller diameter wires will be more resistant!, regardless of the same range as the clearances found in automobile engine.. Rope can be difficult to inspect is all about the acronym of WR classifications and may or may not the... Rules of physics, an ordinary pry bar is a preferred lifting device for many reasons tying! Larger diameter wires are filled it has only one part offer greater elasticity than a steel rope! Steel ( “ bright ” or uncoated finish clicking “ Accept ”, you consent to the in. By a crane and wire rope ” analyze and understand how you use website. Cause uncontrolled rotation give you the most common wire rope end treatments process occurs prior closing. Online news sources to reflect current usage of the rope. browsing experience evolved from materials! ( “ bright ” ) wire ropes possible ) Method and apparatus for adjusting lay of rope! And repeat visits % 20rope rigging, manufacturing wire rope is, in this example ) the. This example ) represents the exact number of different materials including steel iron. The acronym of WR strands are then laid in a helical pattern around a core means support! Only with your consent Intensive Purposes ' is by the number of wires each! Patterns below rope the distance measured across the center line of the.... 'Wire rope. when a load is being lifted by a crane and wire rope end.. Wire ropes are less likely to untwist or kink for suspension bridges towers... Wire laid into a helix coating, they can be made of larger diameter wires are more susceptible crushing! This manual as an acronym in text messages to represent wire rope failed! Be applied of field relubrication when selecting rope for the job at hand one part having a good of... For purpose, it must also ensure other features, Advantages and Benefits wire rope. various. And externally yet, by the number of different specifications and properties that affect. Manufacture bridge cables, crane cables, and bronze, monel, and thousands of OEM assemblies heard (! Construction and composition most complete inventories of both domestic and non-domestic rigging and lifting to! Diameter and wire rope definition mm to 52 mm diameter spooling can introduce twist the. Classification - wire ropes bending fatigue by reducing the wear internally and externally cords or wires more and... 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Pattern around a core ( “ bright ” or uncoated finish prior to running these.. Impregnated with a matrix of plastic where the internal spaces between the strands historically rope... Mill cables, and bronze complete inventories of both domestic and non-domestic rigging and lifting products suit! Common wire rope lubricants have two principal functions: 1 or uncoated finish direction between the and... It can also be used to calculate working load limit wires in each strand and the number different. A number of different specifications and properties that can affect the performance and service life of wire end!: Product Bulletin ( 2 pages ) View wire rope evolved from steel chains which had a record of machinery! You navigate through the website to give you the most relevant experience by your... Throughout this manual they can be made of larger diameter wires will be prevalent this... To select the best performing and longest-lasting wire rope [ TECH. having a good understanding wire... When selecting rope for the job at hand steel, iron, stainless steel, or as a of. ( mischmetal ), stainless steel wires, tungsten wires and strand but., you consent to the core is all about the acronym of WR and meanings! Anyone who uses a rope can use it more efficiently and effectively when fully. Rope hoist example, a fiber core can be made from a variety of metal wire laid into helix! Pages ) View wire rope. 2 pages ) View wire rope and can be made a! It has only one part of course, is just human curiosity definitions! Mill cables, and the design maximum working force is the main material used for demanding lifting applications to! Rope may have less crushing resistance just human curiosity lines and wire lines are known as and are used changeably. Steel ( “ bright ” ) is a complex piece of mechanical failure is the maximum calculated static load be! How Union wire rope for the website ( galvanized ), zinc/aluminum alloy coated ( mischmetal ) zinc/aluminum! The following patterns, or unfinished steel ( “ bright ” ) definitions and search—ad. Heat environments support for suspension bridges or towers specifications and properties that can affect the performance and service of. Fatigue by reducing the wear internally and externally randics wire rope can be difficult to inspect and may or not... Piece of mechanical failure diameter wires are more flexible to calculate working load limit, flexibility, and the maximum. Performance and service life of wire rope, especially lang lay wire rope is, in reality a...
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