(Other terms for this type of mast: Third Stage Mast, FSV Mast, Triple Mast, Triple Stage Upright).Īs the name suggests, this complex mast depends on four sets of rails and chains to move loads. Secondary hydraulic cylinders lift the middle sections and a chain system, which pulls the inner section and the carriage when the mast is fully extended. A large hydraulic ram in the center of the mast assembly performs most of the lifting of the forks and carriage.
Forklift mast attachment plus#
They enable loading and unloading at higher elevations than duplex masts.Ī Triplex mast differs from the Duplex because it includes two sliding rails plus a single stationary rail: it is often found on a reach truck as it can extend a load further to reach greater distances. These widely used masts have become the most popular recently. Once the carriage reaches the top of the inner rails, two supporting side rails complete the lifting process. This type of mast has a hydraulic cylinder located in the center of the mast assembly that helps push loads upwards, enabling the load to rise while the mast itself remains stationary. Material handling application examples include freight cross-docking and manufacturing component delivery operations. (Also known as: Duplex Upright or Two-Stage Free-Lift Mast).
This mast is the optimal choice when loads need to be double-stacked and the lift truck will not be placing such loads into high racking. The maximum extension of the inner rails will limit the height of load lifting. This common type of standard forklift mast employs an arrangement of a stationary outer rail and a sliding inner rail with chains to lift a carriage and forks. For instance, they may lift cargo onto the back of a truck. Usually these forklifts can lift loads only limited distances. One company may describe its masts in terms of the lift mechanisms, while another may base its descriptions of masts on the number of mast sections. Manufacturers do not always use uniform terminology to refer to these components. Today, forklift operators typically depend upon any one of four different forklift mast types. This should be taken into consideration depending on the application, type of product being moved and general work requirements.
Forklift mast attachment full#
Typically, the necessity of placing a hydraulic mechanism in the center of a full free lift mast means an operator will not have as much visibility as they would in a standard forklift. These forklifts allow an operator to maneuver more easily in areas with limited available overhead space. They allow the forks to lift without raising the mast channels. Other types of forklifts, designed for use within restricted overhead spaces are called "full free lift" masts.
This can be problematic in narrow aisles and tight quarters at lower forklift lift heights. It requires additional overhead space to allow for the channels of the mast to raise higher than the load. The single mast elevates the inner mast section along with the load. Standard And Full Free Lift Forklifts The mast makes a big difference in the functionality of a forklift within a particular environment. Regardless of the terminology, it’s important to know the difference in forklift mast types when choosing the right forklift mast for your facility.
Forklift mast attachment manual#
An operating manual may classify the mast either by the lift mechanism, or by the number of mast "sections". Two systems of classification have arisen to describe a forklift truck's mast in detail. The mast consists of a fork and an elevation mechanism, associated with the lift truck’s hydraulic assembly. The mast is the system in a forklift that performs load lifting.
If you would like further help choosing the right forklift for you, contact your local lift truck dealer here. The below article will help give you general knowledge on how a mast functions, while also covering the different mast types available. The vertical space in your facility, height of racking and size of the load handled are each important factors when selecting the right mast your forklift. Forklift mast types are an important consideration when choosing the right lift truck for your application.
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