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Used in various functions, leaf chains are regulated by ANSI. They can be utilized for lift truck masts, as balancers between heads and counterweight in several machine gadgets, and for low-speed pulling and tension linkage. Leaf chains are at times likewise known as Balance Chains.
Construction and Features
Leaf chains are steel chains using a simple link plate and pin construction. The chain number refers to the pitch and the lacing of the links. The chains have particular features like for instance high tensile strength for every section area, which allows the design of smaller devices. There are B- and A+ kind chains in this series and both the AL6 and BL6 Series have the same pitch as RS60. Lastly, these chains cannot be powered utilizing sprockets.
Handling and Selection
Comparably, in roller chains, all of the link plates maintain higher fatigue resistance because of the compressive stress of press fits, whereas in leaf chains, just two outer plates are press fit. The tensile strength of leaf chains is high and the most allowable tension is low. When handling leaf chains it is vital to check with the manufacturer's instruction manual so as to guarantee the safety factor is outlined and utilize safety measures at all times. It is a good idea to carry out utmost caution and use extra safety measures in functions wherein the consequences of chain failure are serious.
Using more plates in the lacing causes the higher tensile strength. For the reason that this does not enhance the utmost acceptable tension directly, the number of plates utilized could be limited. The chains need regular lubrication in view of the fact that the pins link directly on the plates, producing an extremely high bearing pressure. Making use of a SAE 30 or 40 machine oil is normally advised for most applications. If the chain is cycled more than one thousand times day by day or if the chain speed is more than 30m for each minute, it will wear really fast, even with constant lubrication. Hence, in either of these conditions the use of RS Roller Chains would be much more suitable.
The AL-type of chains must only be utilized under particular situations like for example if wear is not a big concern, when there are no shock loads, the number of cycles does not go over a hundred day after day. The BL-type will be better suited under various conditions.
The stress load in parts will become higher if a chain with a lower safety factor is selected. If the chain is likewise utilized amongst corrosive conditions, it could easily fatigue and break really quick. Performing regular maintenance is really essential when operating under these types of conditions.
The inner link or outer link kind of end link on the chain will determine the shape of the clevis. Clevis connectors or likewise known as Clevis pins are constructed by manufacturers, but the user normally provides the clevis. An improperly made clevis can lessen the working life of the chain. The strands must be finished to length by the manufacturer. Check the ANSI standard or call the producer.
In the last 10 years, Skyjack was purchased by the Linamar Corporation, a leading maker of precision machined components, assemblies and modules. At present, Skyjack has manufacturing facilities in Canada, Hungary and the US with added support offices in Asia and Europe.
Skyjack became the industry leader of aerial lift truck machinery by combining features like for example serviceability, durability and quality, making their very own scissor lifts recognized all around the globe for product efficiency and reliability. Skyjack proudly produces a full line of self-propelled scissor platform lifts. Their elevated work heights reach about fifty six feet. The company`s existing Boom lift model series has telescopic booms ranging from 45 feet to 71 feet. Skyjack has plans to further extend their boom lift truck product line. The company is still a leading player in the industry adjusting rapidly to the continually changing requirements of all of their customers.
Of late, Skyjack purchased Carelift Equipment in August of the year 2007 and Volvo's Material Handling Equipment to try to expand their Telehandling product offering. The resulting Zoom Boom and VR series telehandlers together with the additional manufacturing capacity further guarantees the company`s success and growth.
