the quick release link and rope pear socket
Contents
1. gt nemag handles your bulk For many years now Nemag is the preferred partner for the handling of dry bulk materials Whether it is the handling of coal and iron ore or the loading and unloading of grain animal feed scrap metal minerals biomass or other bulk goods Nemag ensures that you can work as efficiently as possible All our products are made in close consultation to meet our clients demand That is why our grabs have such a strong reputation around the world 2 art technolo SrA rN OT Oro d t a 2 5 Ela AIF CII environment continuous Ala nological im refinements ncraaca c 8 CV UITanc vii V IV Ar and to loweri unloading the reliable quick and safe coupling system by Nemag Together the patented Nemag Quick Release Link and Nemag Rope Pear socket make up a highly efficient system that enables the quick coupling or uncoupling of steel wire ropes chains and D shackles The use of this system in the bulk handling industry to change grabs 15 already wide spread But also in other industries where steel wire ropes have to be connected to other steel wire ropes or chains quickly and safely these two smart products are in great demand In this brochure we will explain the straightforward quick and effective functioning of Nemag s Quick Re2. As part of that we supply special Quick Release Links with a breaking load up to 9000kN including all required safety certificates Fell 4 A TT TIIDIIRMMNEE EXE H Batt atenta OA se TIL DAMA Far alo E IP ER ER Je erecta IT I A A as TT HH HR ee Feen E c S ERE E ETE Aa IH m Ai EE ER AE BE couplir iithin a BEI son zzz ed e GI RES Pe E ARE th El Gin EER Eine ques PN the added value of the quick release link Simple Safe Quick Reliable even in the toughest of conditions Short delivery time Worldwide distribution Advantages of the Nemag Rope Pear Socke e The Nemag Rope Pear Socket is designed to in combination with the Nemag Quick Release Link smoothly pass over cable sheaves e The life of the Nemag Rope Pear Socket generally surpasses that of the steel wire rope e The Rope Pear Socket can be fitted
3. by casting with a 2 component casting mass without the need for outside assistance and ensures a strong connection e Our range of Rope Pear Sockets is suited to any type of steel wire rope The new additional series of Rope Pear Sockets of the S type was designed for special steel wire ropes Examples of this are the 8 strand steel wire ropes for example CASAR Turboplast or similar makes In comparison with standard steel wire ropes in 6x36WS version these special wire ropes combine a smaller diameter with a higher breaking load The Nemag S series of Rope Pear Sockets designed especially for this type of steel wire rope The safety factor of the Rope Pear Socket is therefore in line with that of this type of steel wire rope This means that the new Rope Pear Socket offers additional safety in comparison to the existing range of Rope Pear Sockets The geometry of this new range of Rope Pear Sockets has also been adjusted to create an even more favourable situation with regard to wire deflection behind the Rope Pear Socket This decreases steel wire rope fatigue and benefits the life span of the steel wire rope see fig 1 The most important advantages e Especially designed for compacted steel wire rope e Increased safety e Less steel wire rope fatigue as a result of a better deflection angle of the steel wire rope upon passing over the cable sheave e Longer life span of the steel wire rope at the cast
4. chains e he Nemag Quick Release Link contributes to the efficiency of bulk handling because the grabs can be changed in no time using the Nemag Quick Release Link and Rope Pear Socket This guarantees optimal productivity of the crane 4 rope grabs for a 40 ton crane can for example be changed in 10 minutes by one person e The contact surfaces of the C section have been hardened which considerably lengthens the life span he construction of the locking piece ensures reliable functioning even under severe circumstances e he locking pieces are interchangeable e he ingenious locking piece guarantees maximum safety e he Nemag Quick Release Link stands out because of its great user friendliness and extremely quick functioning The quality and safe functioning of the Nemag Quick Release Link is checked continuously through internal procedures e f desired it can be supplied with a 3 2 mark for example L R S or A B S Nemag also supplies a key especially designed for the Quick Release Link This key has a hexagonal head that fits into the keyhole of the locking piece The horizontal handle provides sufficient grip to be able to open or close any locking piece with one short movement The sharp end of the handle can be used to remove dirt on the outside of the keyhole Nemag is able to provide special Quick Release Links for out of the ordinary applications like off shore applications
5. 42500 52500 70000 85000 95000 110000 125000 155000 180000 240000 81 95 109 123 135 192 166 186 202 222 239 264 285 312 337 400 48 56 64 70 84 84 100 100 120 120 142 142 166 166 170 220 22 25 28 31 33 36 40 43 45 52 55 60 63 68 75 84 Size mm D E F 195 12 11 5 195 15 5 192 220 175 15 5 220 19 5 17 5 245 21 19 310 29 21 310 26 29 350 28 25 350 31 27 445 32 28 5 445 36 31 5 495 39 34 5 555 43 36 5 595 47 40 595 51 44 880 60 54 30 32 5 35 38 40 5 43 5 48 53 57 61 5 66 70 5 84 20 22 24 26 30 33 37 39 40 45 50 51 59 62 66 79 24 25 29 31 42 38 48 24 58 56 70 64 80 72 68 90 21 23 20 28 31 34 3 40 43 46 50 92 62 12 14 16 18 20 23 26 29 32 37 40 41 44 48 53 59 Weight kg 0 9 12 15 2 0 2 5 3 1 4 4 57 7 2 8 7 11 13 5 23 Weight kg 0 4 0 5 0 6 0 9 1 3 1 7 2 3 3 2 4 1 5 2 6 4 7 9 9 5 11 2 13 23 3 Sizes of Cable Sheaves Pear no Rope 0 Link no Size in mm mm A B C D E R 4 16 17 4 560 694 750 60 9 7 5 18 19 4 5 6 630 788 850 70 10 9 6 20 21 5 6 7 710 880 960 75 11 12 7 22 24 6 7 8 9 710 890 970 80 12 10 8 25 27 7 8 9 800 984 1060 80 14 13 9 28 30 8 9 10 900 1116 1210 95 15 13 10 31 33 9 10 11 1000 1240 1360 105 17 16 11 34 36 10 11 12 1000 1240 1360 105 19 14 12 37 39 11 12 13 1200 1450 1560 110 20 12 13 40 42 12 13 14 1200 1450 1560 110 21 12 14 43 45 13 14 15
6. 1400 1655 1760 110 23 16 15 46 48 14 15 1600 1870 1960 110 25 25 17 52 56 17 1800 2085 2200 122 29 18 Combination of the Nemag Rope Pear Socket with Nemag Quick Release Link 4 Possible combinations On the tables Pear no Link no The listed cable sheaves generally have the measurements as stated in table 3 A Rope 1 Pear Socket can be fitted to a Quick Release Link of the same size or to a link with a 2 different size as indicated in table 4 The following provides an example of how you can lt find out the right size link Rope Pear Socket ensure additional safety 5 4 5 6 For example 7 6 7 8 9 wire diameter of 26 mm 8 7 8 9 Safe working load steel wire rope 6 000 kg 8 9 10 10 9 10 11 According to table 2 Rope Pear Socket no 8 11 10 11 12 According to table 1 Quick Release Link no 7 would be possible 12 11 12 13 1 12 13 14 14 13 14 15 15 14 15 17 17 See our warning instructions at page 19 working load is the recommended maximum load for grabbing operations when Quick Release Links and Rope Pear Sockets are passing over a special cable sheave For other applications a safety factor in line with official international and national guidelines has to be adhered to Dimension tables are subject to change 15 5 Technical specifications of Nemag Quick Release Links 16 Link no Working load Breaking load Size in mm Weight kg kg A B C D E F kg 4 3000 25000 76 76 24 5 19 30
7. 21 0 9 5 4500 33000 84 84 27 21 32 5 23 12 6 5000 37500 92 92 29 5 23 35 25 TuS 7 7000 49000 100 100 32 25 38 28 2 0 8 8000 54000 108 108 34 5 27 40 5 31 2 5 9 9500 60000 116 116 29 43 5 34 3 1 10 12000 75000 128 128 40 5 32 48 37 4 4 11 15000 95000 140 140 44 35 53 40 5 7 12 17000 110000 152 152 47 5 38 57 43 7 2 13 21000 135000 164 164 51 41 61 5 46 8 7 14 26000 160000 176 173 54 44 66 50 14 15 30000 175000 188 188 58 47 70 5 52 13 5 17 42500 260000 222 222 68 56 84 62 23 6 Technical specifications of Nemag Rope Pear Sockets type S Pear Wire rope Y Work load Break load Size in mm Weight mm kg kg A B G H kg 924 22 24 11000 70000 192 133 40 325 31 27 40 58 27 4 1026 25 27 13000 85000 212 143 43 375 35 30 5 43 60 30 5 1130 28 30 15000 95000 239 156 45 400 36 31 5 50 70 33 7 1232 31 33 17000 110000 249 165 52 450 39 34 5 57 72 36 8 5 1336 34 36 21000 125000 285 184 62 450 43 36 5 60 80 40 9 5 1440 37 40 26000 155000 297 192 60 475 47 40 62 80 44 12 3221 42 44 32500 189000 314 204 66 425 53 46 70 80 47 19 5 1548 46 48 30000 180000 329 192 67 575 51 44 66 80 52 12 5 1648 46 48 36000 215000 343 218 70 500 56 50 73 90 52 18 7 Sizes of Cable Sheaves Pear no Rope 0 Link no Size in mm mm A B C D E R 924 22 24 8 9 10 710 890 970 80 12 10 1026 25 27 9 10 11 800 984 1060 80 14 13 1130 28 30 10 11 12 900 1116 1210 95 15 13 1232 31 33 11 12 1000 1240 1360 105 17 16 1336 34 36 12 13 14 1000 1240 1360 105 19 14 1440 37
8. 40 13 14 15 1200 1450 1560 110 20 12 3221 42 44 15 1200 1455 1560 110 23 16 1548 46 48 14 15 1400 1655 1760 110 25 16 1648 46 48 15 17 1400 1680 1760 122 25 16 Combination of the Nemag Rope Pear Socket type S with the Nemag Quick Release Link 8 Possible combinations On the tables Pear no Link no The listed cable sheaves generally have the measurements as stated in table 7 A Rope 924 8 9 10 Pear Socket be fitted to Quick Release Link of the same size or to a link with a 1026 9 10 11 different size as indicated in table 8 The following provides an example of how you can oa 2 find the right size link and Rope Pear Socket and ensure additional safety 1336 12 13 14 remate 1440 13 14 15 A 15 wire diameter of 26 mm 1548 14 15 Safe working load steel wire rope 10 000 kg 1648 19 17 According to table 6 Rope Pear Socket no 1026 According to table 5 Quick Release Link no 10 would be possible See our warning instructions at page 19 working load is the recommended maximum load for grab duty when Quick Release Links and Rope Pear Sockets are passing over a special cable sheave For other applications a safety factor in line with official international and national guidelines has to be adhered to Dimension tables are subject to change 17 Maintenance Ordering fitting the pear socket to steel wire The Rope Pear Socket can be fitted to the steel wire rope in a very straigh
9. aves little deflection of the cable behind the pear socket long operating lifetime Short delivery time Worldwide distribution the added value of the rope pear socket type s A unique design designed specifically for compacted steel wire rope Simple Safe Fits perfectly onto the cable Suitable for passage of sheaves little deflection of the cable behind the pear socket A long operating lifetime Short delivery time Worldwide distribution 13 1 Technical specifications of Nemag Quick Release Links Link no Working load kg 3000 4500 5000 7000 8000 9500 12000 15000 17000 21000 26000 30000 42500 Breaking load kg 25000 33000 37500 49000 54000 60000 75000 95000 110000 135000 160000 175000 260000 76 84 92 100 108 116 128 140 152 164 176 188 222 76 84 92 100 108 116 128 140 192 164 173 188 222 Size in mm C D 24 5 19 27 21 29 5 23 32 25 34 5 27 37 29 40 5 32 44 oo 47 5 38 51 41 54 44 58 47 68 56 2 Technical specifications of Nemag Rope Pear Sockets Pear no 14 COIN apafafafajo Wire Work load mm 10 11 293 14 5 16 17 18 19 20 21 22 24 25 27 28 30 31 33 34 36 37 39 40 42 43 45 46 48 52 56 kg 1500 2000 2500 3000 4500 5000 7000 8000 11000 13000 15000 17000 21000 26000 30000 42500 Break load kg 10000 14000 17500 22500 27500 35000
10. gned to pass over crane cable sheaves smoothly in combination with the Quick Release Link The Nemag Quick Release Link and the Nemag Rope Pear Socket are manufactured with the greatest possible precision using high grade steel based on the strictest quality standards In addition to that Nemag has adopted a safety and quality program that involves periodic quality assessments and load testing Every single Quick Release Link and Rope Pear Socket is checked before leaving the factory E Y 6 gt 1 ANS V a N A N U CU a IN In Ll LAR y i rim ff ht rorwal d NCO LA 7 U IL Jul Quick vx UIUEN am th JU gu IU l 478 K gt r us a 10 ag PR NN re Va gt JA If Le 7 tul 27 wd u O J NT Im FUVdlliLaudoes LII lease Li he Nemag Quick Release Link is fitted to Nemag grabs as standard and is in addition also suitable for grabs from other manufacturers he Nemag Quick Release Link has been balanced and perfected to become the most reliable quickest and safest coupling method for ropes and
11. ing place Optimal new design of the Rope Pear Socket for improved sheave passage 11 EET E E EE ESE RE ES EES EEE EESTI AA naaa aaa EDE EET KEL PR 00 CA ol Characteristics T HAE es Ell IIT oezo DERF D Aa 4 1 PED E D es ac E i ENN IB AEE RIKI ITED TARAS _ Asso Ed c E RR E e HE See li BAIE EN HE SRE E RE ie 4 a z Ea Bale Ea a Ramas ae E ER ER aa IEEE RS TES PERS CREE EE TES E 0 amp E a i M aaa IE e tee M an E NC um aa A EE c 8 Ni 0 Seema Eee A OEE EBE SEE ZEN I the added value of the rope pear socket Simple Safe Fits perfectly onto the cable Suitable for passage of she
12. lease Link and Rope Pear Socket Aside from that you will also find all technical data related to these products in this brochure 4 Together with the Nemag Rope Pear Socket the Nemag Quick Release Link forms a strong link between steel wire ropes and or chains that can be uncoupled by one person within a few seconds through a very straightforward manoeuvre Both Nemag products can be supplied for any type of crane for any make or type of grab and for any type of rope or chain It is no surprise that Nemag invented a unique system for the quick coupling or uncoupling of ropes and chains As a well known designer and manufacturer of grabs Nemag quickly found itself faced with the time consuming nature of change over of grabs As a result Nemag came up with the idea for the Quick Release Link a C section with a perfectly fitting locking piece which can be opened or closed in no time using a special key The Quick Release Link is available in a range of sizes for grab working loads from 2 000 kg to 42 500 kg and breaking loads up to 260 000 kg Apart from that Nemag has also developed a highly durable end connection for steel wire ropes the Nemag Rope Pear Socket These Rope Pear Sockets can be easily fitted to the steel wire rope without the need for any outside assistance A range of different Rope Pear Sockets is available depending on the working load and the thickness of the rope The Rope Pear Socket has been desi
13. s the wire rope diameter 6 Close the bottom end of the Rope Pear Socket at the end of the wire rope using a sealant to prevent casting material leakage 7 Pourthe resin and or casting liquid from above into the Rope Pear Socket cavity as per the instructions provided by the manufacturer of the casting material Warning Any warranties expressed or implied concerning the use of Rope Pear Sockets and Quick Release Links apply to new unused products when tested in a standard testing machine under controlled conditions direct tension and at a uniform rate of speed The term Breaking load contains no implication of what load a Rope Pear Socket and Quick Release Link will withstand if not properly used or if it suffers abuse All equipment using Rope Pear Sockets and Quick Release Links must be properly maintained Rope Pear Sockets and Quick Release Links must be properly stored handled used and maintained within the rules of user manual Most importantly Rope Pear Sockets and Quick Release Links must be regularly inspected before and during each use Inspections must meet local or applicable national safety regulations Damage abuse overloading or improper maintenance can cause failure and accidents If in doubt about the safe and proper use of Rope Pear Sockets and Quick Release Links consult manufacturer 19
14. tforward manner using 2 component casting resin or by way of metallic casting The casting instructions below are very general please consult the user manual www nemag com and the instructions that come with the casting mass For specific information on the casting material we refer you to your local steel wire rope supplier When closely following the casting instructions you will achieve a permanent connection between steel wire rope and Rope Pear Socket A General steps for casting 1 Place Rope Pear Socked over the steel wire rope 2 Carefully tie up the wire rope at a length of at least two times the wire rope diameter starting from a distance that equals the length of the Rope Pear Socket cover to the casting level ridge minus 1x a wire rope diameters 3 Untwine all strands to make the ends of the wire rope look like a broom 4 Clean the broom thoroughly and remove grease with branded degreaser or ultrasonic cleaning agent Maintain the broom in downward position whilst cleaning to prevent liquids from seeping into the wire rope Then allow the cleaned wire rope end to dry 5 Slide the Rope Pear Socket over the broom until the untwined wire ropes almost reach the end level ridge for casting of the conical cover of the Rope Pear Socket Now vertically lock the wire rope and the Rope Pear Socket The wire rope under the Rope Pear Socket has to be straight along a total length of 24 time
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