An important topic in any wire rope reeving system, this article looks at fleet angles both at the drum and at the sheave. Fleet Angle at the Drum Fleet angle has a significant influence on the spooling of rope on to a smooth drum. Fleet Angle is usually defined as the included angle between two lines, one which extends from a fixed sheave to the flange of a drum and the other which extends from the same fixed sheave to the drum in...
I was scrolling through Linkedin on the weekend and come across what I thought was a great short post on crane wire rope maintenance from a gent called Ed Davidson who works in the Health & Safety Compliance space. His article was about a crane wire rope that had jumped out of the sheave, ended up on the shaft of the head frame and over a period of time worn through 75% of the shaft before the defect was...
When a wire rope is bent around any sheave, shackle or other object there is a loss of strength due to this bending action. As the D/d ratio becomes smaller this loss of strength becomes greater and the wire rope becomes less efficient. Small diameter shackles reduce the wire rope sling strength. Regardless of whether it is a shackle, hook or other lifting lug, all hook up points must at least ensure a D/d ratio of 5:1 to...
Wire rope can be a very complex product. There are a number of key factors which need to be considered when choosing which type of wire rope will provide optimum service life for your application. It is definitely not a one size fits all approach. To provide a bit of background on the make up of wire rope, let’s firstly go through the make up of the finished wire rope product: A common wire rope construction is 6x36 with an independent...
When selecting a steel wire rope for your crane, winch or other application, there are a number of things that should be taken into consideration. Some of the most important to work through are: Strength requirements Resistance to rotation Fatigue resistance Resistance to wear and abrasion Resistance to crushing Is corrosion going to be a problem, if so to what level Factors such as the environment/location that you are in will play a big part in this selection process, as...
At Crane Ropes Australia, we have a rope solution for a wide variety of Cranes and Winches. In fact, we have a wire rope for nearly every situation. In addition to our range of mobile crane wire ropes, here is a list of the cranes we can provide a wire rope solution for: Mobile Harbour Cranes Ship to Shore Cranes Container Handlers Bulk Unloader Cranes Offshore Cranes Ship Derrick Cranes Ship Lifters Floating Cranes Overhead Gantry Cranes Steel Works Ladle Cranes ...
Born from many years’ experience in the Wire Rope industry, from inspection, testing and manufacturing to supply, Crane Ropes Australia aims to use this valuable experience to provide crane owners with a partner that not only understands the technical aspects of this valuable product but aims to provide the highest level of customer service. Based in South Australia with a national distribution model, Crane Ropes Australia focus is providing wire rope solutions to crane owners throughout Australia, from Hobart through...