<article class="subdiv"> <header id="titre" class="subdiv"> <h1>Calculation of traction forces</h1> </header> <div id="pdfdata" class="subdiv"> <div style="display:inline-block;width:20%;"> <a href="https://it4v7.interactiv-doc.fr/html/huchez_catalogue_en_1069/rna/page/97"><img style="width:100%;" src="./thumbs/97.jpg"></a> </div> </div> <nav id="breadcrumb"> <p>Vous êtes ici : </p> </nav> <main> <p>x Rope ends x Rope re-greasing A winch's safety and correct operation largely depends on the rope end on the winch and the load It is best to have an expert check the rope ends and the ropes themselves The rope end illustrated bellow is one of the authorised ends for lifting However bear in mind that crimping also causes 10% loss of breaking load When it is manufactured the rope receives considerable greasing that must be regularly renewed The ropes may therefore be re-greased in view of their use particularly along the areas subject to bending If for operational reasons re-greasing cannot be carried out the rope life will be shortened and inspections must be made more frequently The influence of greasing and re-greasing on the life span is illustrated here Talurit crimping with tag End prohibited when lifting The rope holders may in no case be used as rope endings in lifting 200 150 100 50 % s e l c y c f o r e b m u N 0 100 Greased and re-greased Greased No greased 200 300 400 500 Tension constraint N / mm2 x Inspections Daily visual inspection Periodical inspections by qualified persons depending on the conditions and time of use of the apparatus its type and its classification Special inspections if the lifting apparatus is out of service for 3 months or more or after damage to the rope or attachment points Examples of a few possible defects associated with the ropes non-exhaustive list Corkscrew deformation Basket deformation Strand extrusion External wear Source Lifting accessories INRS x Calculation of traction forces W e i g h t 1.8 </p><p>h e c W i n f o r c 90 30 t h g i e W W i n c h f o r c e W e i g h t 2 6 20 Winch force Weight 20 Weight 5.6 </p><p>Winch force 10 GENERAL GENERAL 97 97 </p> </main> <aside> <ul> <li><a href='https://www.huchez.com/interactive-catalog/'>Interactive digital catalogue HUCHEZ 2025 - Winches and Lifting for professionals</a></li> </ul> </aside> <footer> <table width="100%"> <tr> <td width="100%"><a href="http://www.interactiv-technologies.com/interactiv-doc">Interactiv' Doc</a></td> </tr> </table> <ul> <li><a href="./sitemap.html">Plan du site</a></li> </ul> </footer> </article>