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                    ??中文 ??English??jhrope@jhrope.com Home Contact us

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                    Parallel Laid Wire Rope

                    Problems with widely used Cross Laid wire rope are that its component wire can break easily fatigued from primary and secondary bending. Also, the component wires wear each other at points where these wires cross each other.

                    In a Parallel Laid Wire Rope, the component wires are laid parallel to each other meeting each other along a line. Therefore, these ropes are sometimes called Line Contact Wire Ropes.

                    Parallel Laid ropes, with wider area of contact between component wires, are developed to minimize wire breaks caused by internal wire wear especially when the ropes are subject to repeated bending. The most basic strand constructions of parallel laid ropes are divided into 3 types, namely SEALE type (Symbol S), FILLER Wire type (Symbol Fi), and WARRINGTON type (Symbol W).

                    To improve flexibility of parallel laid ropes, various combinations of 3 basic construction types have also been developed. These are SEALE-FILLER Wire type (SFi) and WARRINGTON SEAL type (WS). Combining parallel lay construction with cross lay construction is also possible to obtain SEMI-SEALE type (SeS) and SEMI-FILLER type (SeFi), etc.


                    Characteristics of Line Contact Wire Rope

                    No fatigue from secondary bending.

                    Almost no inside wear.

                    High breaking strength as effective cross sectional metal area is bigger.

                    No destruction of strand shape as strand element wires are packed tightly into each other.


                    In modern days, variety of rope constructions is available to select from to suit a particular application. With the ease of adjusting number of component wires and diameter of wires to provide required rope characteristics, WARRINGTON-SEAL type wire ropes have grown popular having shown good results in various applications.


                    Recommended Constructions for Specific Application Conditions

                    As is the case with any other ropes, selecting a suitable parallel lay ropes for a specific application should be carried out very carefully. Due to the fact that there are countless types of equipment using wire ropes and due to the possibility of many hidden conditions damaging wire ropes, it is not easy to recommend a rope selection without carefully examining each specific application. The below is a rough general guideline for rope selection for specific application conditions。


                    Application Condition Recommended Rope Construction
                    Ropes usually retired from wear damage 6×S(17), 6×S(19), 6×W(19),6×Fi(17), 6×Fi(21)
                    Fatigue and wear damage the rope equally 6×WS(26), 6×WS(31), 6×WS(36),6×Fi(25), 6×Fi(29)
                    Flexibility required. 6×WS(36), 6×WS(41), 6×Fi(41),6×SFi(41)
                    Rope usually retired due fatigue


                    Rope Constructions(Designations) shown with Cross Section

                    6×S(19) (China Standard)

                    Composition

                    6×S(1+9+9)


                    6×W(19)+IWRC(China Standard)Composition6×

                    W[1+6+(6+6)]+7×7


                    6×S(19)

                    (China Standard)

                    Composition 6×S(1+9+9)

                    6×W(19)

                    (China Standard)Composition

                    6×W[1+6+(6+6)]



                    6×Fi(21) (China Standard)

                    Composition

                    6×Fi[1+5+(5)+10]


                    6×Fi(21)+IWRC(China

                    Standard)Composition 6×Fi[1+5+(5)+10]+7×7


                    6×Fi(25) (China Standard)

                    Composition 6×Fi[1+6+(6)+12]

                    6×Fi(25)+IWRC (China Standard) Composition 6×Fi[1+6+(6)+12]+7×7



                    6×Fi(29) (China Standard)

                    Composition

                    6×Fi[1+7+(7)+14]


                    6×Fi(29)+IWRC(China Standard)Composition

                    6×Fi[1+7+(7)+14]+7×7


                    6×WS(26) (China Standard)

                    Composition 6×WS[1+5+(5+5)+10]

                    6×WS(26)+IWRC (China Standard) Composition6×

                    WS[1+5+(5+5)+10]+7×7



                    6×WS(31) (China Standard)

                    Composition 6×WS[1+6+(6+6)+12]


                    6×WS(31)+IWRC (China Standard) Composition6×

                    WS[1+6+(6+6)+12]+7×7


                    6×WS(36) (China Standard)

                    Composition 6×

                    WS[1+7+(7+7)+14]

                    6×WS(36)+IWRC(China Standard) Composition6×

                    WS[1+7+(7+7)+14]+7×7



                    6×WS(41) (China Standard)

                    Composition 6×

                    WS[1+8+(8+8)+16]


                    6×WS(41)+IWRC (China Standard) Composition6×

                    WS[1+8+(8+8)+16]+7×7


                    6×SeS(37) (China Standard)

                    Composition 6×SeS[1+6+15+15]

                    6×SeS(37)+IWRC (China Standard) Composition 6×SeS[1+6+15+15]+7×7



                    ▼ Manufacturing Process


                    ▼ We are a pround leader at the helm of the world

                    20 years of quality assurance, advanced equipment and management, with worldwide competitiveness, exported to Europe and the United States and other countries around the world. Based on trust and a win-win partnership with our customers,the product has been welcomed by the world's major users and distributors.


                    Wire rope is a multi-purpose product being used in numerous industries for power transmission, load tolerance, tensile purposes and many other applications. This product is utilized over a wide spectrum of industries including mine excavation, petroleum exploration and the fishing industry. Shipping equipment, machinery, aircraft, cranes, elevators, cable cars, and bridges also require our product.


                    Known for not only its quality, but for its price and after-service, this product is being exported to over 60 nations.


                    Based on trust and a win-win partnership with our customers, the product is ordered again and again by consumers and dealers.


                    Jiahua has targeted high value-added products and special high-strength rope manufacturing in order to create new products. Most notably, Neptune rope, a wire rope used in petroleum excavation, has received international acclaim for its design, raw material selection, coating, and technology.


                    In the future, Jiahua plans to further expand its specialized steel market, and target markets in developed nations, including the U.S., Europe, Japan and Asia in order to move into specialized sectors of rope manufacturing.



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                    E-mail:jhrope@jhrope.com
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