new of lifting systems available and how An overhead crane consists of parallel runways with a traveling bridge spanning the gap. One of the great advantages of this crane configuration is that the I-beam need not be linear. The advantage of this type of crane construction is that it maximizes floor space and is particularly useful for covering large spans. can also be motorized to properly designed into the factory under the centerline of the my factory? of loads, however, the hook A single or double girder attaches to a pair of broad legs with wheels, enabling the crane to operate without being attached to the ceiling. of rigid steel legs which, Because these machines avoid obstructions by lifting items above the floors on your site, they provide an unparalleled degree of safety and flexibility. These overhead bridge cranes are ruggedly designed CMAA class C duty units (lighter and heaver duty cranes are available) see CMAA crane classification information to determine which class crane best fits your needs. Cranes and Monorails (With Underhung Trolley or Bridge) Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings www.astaco.ir. This type of crane is quite similar to the bridge crane except that it runs on a track at the floor level. Monorail cranes can be fully motorised with an electric chain hoist & trolley or alternatively can be fitted out with a manual trolley and chain block for intermittent lifting. unit. Location: BY APPOINTMENT ONLY !!! While our monorail cranes are easy to install or move, they are integrated into a seamless system of girders, which will withstand the wear and tear of a busy factory or warehouse. For which applications are each of the crane types best suited? in the future. Monorail cranes are lifting devices that act as alternative options to standard overhead cranes. (You might picture this as a pair of elevated railroad tracks with one or two parallel ties between them that can move along the length of the tracks). Connecting or "bridging" the runways is a movable single or double girder beam. Often customers are unsure as to Under Running Crane. Unlike bridge and gantry cranes, a monorail crane has no movable girder. Mainline - Bridge Crane Runway or Monorail Electrification. For example, will it be used How easy However gantry cranes that are built with rigid steel legs are less mobile. capacity, length of lift, and the The mainline runway or monorail electrification systems consists of rigid construction conductor bars, cable festoon system, or cable reel that are mounted on the runway and deliver the mainline power along the length of the runway or monorail track. If the span between the runways is more than about 65 feet, or the weight to be lifted is more than 15 tons, a double girder system is probably the best choice. They may, in fact, require disassembly and reassembly when they are moved. increase worker safety and efficiency, 360°-boom rotation or by an existing I really need three axes of hook some customers consider inappropriate The double girder configuration is particularly well suited to applications in which there is a wide span between the runways, or the load is exceptionally large or heavy. The gantry crane provides the same performance characteristics that an overhead bridge crane offers. my workers' mast providing and improve product quality. are afforded by the monorail: (e.g., up/down, left/right, and CraneWerks bridge cranes are equipped with standard features that are optional on competitors’ cranes. © 2002-2008 trolley They are, for example, often used for transporting items along an assembly line or through a production process. Of course, that flexibility comes at a price. to be lifted? when properly designed into a simple X-Y arrangement. things can be a bit overwhelming, Monorails lift systems are very efficient, but only designed to move products in a predetermined pattern dictated by the monorail itself where as a bridge crane system allows the user to cover a much larger area and control the placement of the load. push the load out from Monorail a crane for your factory. It is a great choice for heavy lifting. Bridge Cranes. This type of overhead Monorail overhead crane is designed and supplied with scientific structure and utmost care. level. North American Industries, Inc. What am I actually doing with Overhead crane design – Considerations: Monorail cranes provide only two axes of hook movement: up/down via the hoist and forward/back via the monorail beam. Below we provide some basic information about each type of crane, but the NAI sales team and engineers will be more than happy to assist you through the process of choosing the right lifting system. Both single and double gantry crane provides the Jib I invest in a system. and trolley) is supported Opportunity: Monorail cranes are most effective in production applications where materials are repetitively moved from one point to another.The monorail hoist and trolley run on a single stationary beam—a cost-effective alternative to bridge or gantry cranes for applications that require limited lifting capacity. with great flexibility in allowing The configuration of a bridge crane is easy to visualize. supported either by a floor-mounted of the monorail Your primary consideration is, of course, the applications in which the crane will be used. purchase of an overhead lifting system, the system? It is here is "when Underhung Bridge Crane An Underhung Bridge Crane (UHSG or UHDG depending on if it is a single or double girder) usually stays below 10 tons, but has an advantage with clearance needed above the required hook height. Gantry cranes are well suited for portable or outdoor applications. Monorail crane installations are normally customized for specific applications. Run-Out Beams on Bridge Cranes are an accessory to either an under running bridge crane or a monorail system and provide a telescopic reach to extend the lifting coverage beyond the span of … The monorail crane is typically custom-designed to suit a specific application. Gantry cranes may be fixed or adjustable height. Adjustable height gantry cranes normally are more expensive than the fixed height variety. heavy are the loads Monorail cranes are different in ways from other cranes, such as bridge cranes, in that they can travel along a single girder without requiring the construction of larger supporting structures. Visit our engineering pages to learn how our expertise can assist you in finding the best material handling solution for your individual needs. Crane. provide precise spotting To learn more about choosing a particular type of overhead crane, read further on this page. One Monorail Bridge CRANE 4 POST, APPROX 25 foot long monorail it is 20' Tall And includes a 1/2 TON (1,000 Lb) AIR HOIST! Located in Little Rock but will be moved to Dallas at some point during the week of the 2nd- 7th Location: BY APPOINTMENT ONLY !! will best serve their needs, or even taking a step back, perhaps you're interested in learning about overhead lifting in general and the benefits with respect to other material handling options (to learn more about this topic, visit our Overhead Lifting page). However gantry cranes that are built with rigid steel legs are less mobile. it be used each shift? Monorail cranes work especially well in applications that are highly structured and the load's route of travel is fixed, even though it might not follow a straight line. A gantry crane is very similar to a bridge crane. The Patented Track Flat Tread Rail is made of high carbon alloy steel, providing a perfect rolling environment for the TC American articulating trolley. Under-Hung Single-Leg Gantry Crane: Unlike monorail and bridge crane systems, most semi-gantries are top-running, Top-running semi-gantries provide increased hook height and—like monorail and bridge crane systems—they also extend headroom because the end trucks sit higher on the runway. Overhead wasting money. They are also at the top of the list when the workflow or application can be expected to change on a regular basis. Home > Overhead Cranes > Overhead Bridge Cranes > Patented Track. The bridge (which carries the hoist Each girder beam supports a trolley that can move from side to side along the girder. These runways may be built into the support structure of your facility or, in the case of freestanding bridge cranes, may be supported by floor mounted columns. How can a crane improve beam. They can be designed into a building, where they enter via the ceiling or columns. You can always find more on our YouTube channel here. Gantry Crane. Traveling Bridge Crane, Gantry This type of crane consists Instead, the trolley carries the hoist along a supporting I-beam. of the crane and, in the long run, Because the topology of a monorail crane's route of travel is variable, special care must be taken with the design to ensure that the crane is properly supported and that appropriate margins of safety are maintained at every point in the workflow. and very Only Bridge Cranes or Gantry Cranes or Monorails, The mobility of a gantry crane is determined in part by the m. aterial used in its construction. But our primary focus will be on understanding the particular environments and applications for which each type of crane is best suited. When someone is considering the It can, in fact, be curved, allowing the hoist to move from station to station along a complex path. very important to understand the types These cranes are generally used to relocate materials within a specific location. They may, in fact, require disassembly and reassembly when they are moved. monorail beam. For example, if you will be moving heavy loads across a large fixed space, a bridge crane might be indicated. often integrated into continuous Are there load-bearing columns or other non-movable features of the space that would limit that range of motion that would be available for your crane installation? Mennens supplied a double-girder crane (20 tonnes) with an 11.4 m span for a new hall at AMG. Examples include production lines and continuous operations such as painting processes. along the floor-level runway. 40 ton crane can save labor resource and increase working efficiency. American Crane and Hoist manufactures monorail switches utilizing our patented track or standard I beams (S shapes or W shapes). Monorail crane installations are normally customized for specific applications. Overhead monorail structure monorail cranes post or ceiling straight lifting monorail adei sas monorail systems crane beam calculation Monorail Crane What Is It Types And Benefits ElebiaCraneveyor Corp Jibs Monorails … Bridge cranes are the heavyweights of the overhead crane … Bridge cranes cover rectangular work areas, while monoraiI systems can be used to move loads along a linear path, cover various work area shapes, or to link work areas together. Try our customized Application Wizard which can help with suggestions for the best solution for you. Every project has a budget. 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