The Hotel chain i work for recently fired our elevator service company chain-wide and replaced them with another company chain-wide to save a few bucks. Use an 8-strand traction steel governor rope for longer service life, unless iron is specified. guests, and " ", AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR, B66B 19/02 20060101AFI20151014BHEP, B66B 19/02 20060101AFI20171107BHEP, STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN, Method for changing elevator ropes and elevator, Procedure to monitor the condition of the elevator cables and their arrangement, METHOD FOR HANDLING ROPES AND A METHOD FOR MODERNIZING ROPES AND ARRANGEMENTS FOR THE REMOVAL OF ROPES, Elevator main rope exchange device and elevator main rope exchange method, Apparatus for and method of replacing cables in multicable lifting devices, Elevator system with multiple cars in the same hoistway, A method of installing a lift hoisting rope, A method for replacing a lift hoisting rope and a traction device arrangement for changing, Method and arrangement for securing elevator compensation ropes, Method of installing and replacing equalising ropes of lifting installations, Method for rope attachment in a lift, rope drum and method for mounting a rope for a speed limiter or a basket cable, Method for installing an elevator, and elevator delivery assembly, Method for installing an elevator, and elevator, Method for handling and modernizing ropes in an elevator and arrangement for dismantling ropes of an elevator, Method for installing the hoisting roping of an elevator, Public reference made under article 153(3) epc to a published international application that has entered the european phase, Request for extension of the european patent (deleted), Supplementary search report drawn up and despatched (corrected), Information provided on ipc code assigned before grant, Despatch of communication of intention to grant a patent, Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted, Information on the status of an ep patent application or granted ep patent. Cables should also be replaced if they are pitted by corrosion or if there is evidence of kinking, crushing, cutting, bird-caging, a popped core, or heat damage. If the drum and sheave material of the existing elevator is softer than that required for traction steel, the use of iron ropes may be considered. Steel Core elevator hoist ropes are used where additional strength is required without increasing the diameter of the wire rope. h r@TFRv" &c''z{%Q(d2\A1XVU6pZ;w7{)gH3|5Y9h4zb]zZ{N8qt\R~#
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PD`'q^ZtIC{P4;^wjsQU(6y&gcrZ^\c2?d\-ZKdx2KN[w7?8BO$N cnp"1z-+HS Lift-Pac is designed for use wherever elevator hoist ropes exhibit short service life due to adverse operating conditions. 11 A good rule of thumb is if over the course of a single day, you see six random wires sticking out over the length of a single cable (when examining all strands), the entire cable should be replaced. where high groove pressures cause uneven and accelerated wear. A little wear is to be expected over time. https://www.facebook.com/AutoBodyRepairNetwork/, https://www.instagram.com/ptenmagazine/?hl=en, https://www.linkedin.com/company/40735491/, https://www.youtube.com/channel/UCxBEkpoYgmG0r34_B3mOr4Q. Does that mean every cable that looks less than brand new after a couple of years of heavy use should be replaced? Contact Us: administrator@vatortrader.com, Powered by UBB.threads PHP Forum Software 7.6.0. An additional benefit of the steel core is that these ropes will exhibit somewhat reduced stretch when compared with that of fiber core ropes. For existing installations that require iron, WW suggests 8x25 Filler Wire. Do not use the lift until the damaged cables have been replaced. Fax: 570-327-4274 2022 Endeavor Business Media, LLC. Ask the Expert: Can conventional and synthetic oil be safely mixed? Equipment utilizing Steel Core hoist ropes are specifically designed with steel core ropes in mind and are not to have fiber core ropes substituted. ask if there is any splintering of the ropes etc.. h|A0J~A3mA Use 8x19 Seale traction steel ropes for most drum and counterweight ropes. With the advent of high rise elevators and increased car speeds, elevator designers and manufacturers frequently select a higher strength hoist rope. It should be easy to find the specific rules for your area. 100 Maynard Street, Williamsport PA 17701 USA There are elevator codes that regulate acceptable condition of wire ropes used on elevators. International: 570-326-5146 ppSbk9Ce'z. You may unsubscribe at any time. Not necessarily. This is a significant reduction in capability when it comes to lifting heavy duty vehicles. If you find damaged cables meeting any of these criteria, replace them immediately. 117 0 obj
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Rouging is usually a sign that the ropes are rusting from the inside out. Likewise replace cables that have worn down by 10 percent of their original size. Its not unknown for companies to take on contracts with equipment they can't look after and then immediately recommend refurbishment but it sounds that may not be the case here . This site requires you to register or login to post a comment. As a customer you are within your rights to ask to see a photo or some other evidence of rouging on the ropes . hVmK0+\6)HA!XACdh+e2|>4 While the difference may seem small, a 14,000-lb rated cable that loses 10 percent tensile strength will subsequently be rated at just 12,600 lbs. for 1/2 inch rope it is.484, for 5/8 inch rope it is.605 anything larger than these amounts can continue to run. 0 Make sure replacement governor ropes are in accordance with the elevator manufacturer's specifications. For example, if the cable was originally .5" in diameter, replace it once it reaches .45". F6PD0G -R$/7'FpwKJW6a7vT{vATc!M! Email: info@wireropeworks.com, Hoist ropes 8x19 Classification, Liftpac, Syncor, Governor ropes 6x19 and 8x19 Classification, Compensating ropes 6x19 and 8x19 Classification, applications where wire fatigue breakage with minimal surface wear is the cause for retirement. In addition, I understand that my personal information will be shared with any sponsor(s) of the resource, so they can contact me directly about their products or services. Find a state or province to view Wirerope Works, Inc.'s distributors, Wirerope Works, Inc.'s distribution network begins with our Bethlehem Wire Rope Service Centers, Wirerope Works, Inc. manufactures a complete line of Bethlehem Wire Rope, Wirerope Works, Inc. %PDF-1.6
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Inside the US: 800-541-7673 It is not always advantageous to use an EHS traction rope where traction will suffice. By clicking above, I acknowledge and agree to Endeavor Business Medias Terms of Service and to Endeavor Business Media's use of my contact information to communicate with me about offerings by Endeavor, its brands, affiliates and/or third-party partners, consistent with Endeavor's Privacy Policy. The grade of steel (traction, extra high strength traction) is dependent upon many factors, the most critical being load requirement and car speed. 8x25 Filler Wire traction steel ropes provide longer and more economical service. Also, Lift-Pac should not be used as a remedy for poor rope performance due to worn sheaves and/or differential groove depths. Please refer to the privacy policies of such sponsor(s) for more details on how your information will be used by them. It may be that the tech is genuinely concerned for the condition of the ropes in which case he did the right thing .If the previous company knew they were losing the contract they may have chosen to ignore the rouging or written it off as worn but serviceable . No comments have been added yet. mX53;Kl0)# T
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0 registered members (), A:bMI#tX=^ |cGdIXQx The low carbon wire used on traction grade wire ropes may provide better fatigue life than a higher carbon EHS wire. Want to start the conversation? if so he would have more likely blamed the controller and claimed it was obsolete . All lifting cables should be replaced every three to five years or when damage is visible, but how much damage warrants replacement? Be aware that a lot of rope lubricants can be mistaken for rouge as they are the same colour and very messy which lasts forever once applied to ropes. Rouging alone is no justification for immediately removing lift from service. :!1}][NJ}@wF?QH[RNKSM=*s/~j17AxoB,xM Cz
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spiders. Discuss it with your serviceman. However I would monitor them closely. Tech Tip: How to fix a lift that's lowering on its own, Tech Tip: How to properly bleed a hydraulic cylinder on a two-post lift, Tech Tip: How to properly install fittings on a vehicle lift, Tech Tip: Intermittent stalling plus crank, no-start condition. The A17.6-2010 gives specific diameters for condemning hoist ropes with Rouge. Primary applications include: Lift-Pac is not recommended for high rise/high speed applications. Question: When should lift cables be replaced? All lifting cables should be replaced every three to five years or when damage is visible. All rights reserved. Additionally, if you see three broken wires in just a single strand over the course of a day, you need to replace the entire cable.