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The most common conveyor used in large warehouses and distribution centers. Rollers are powered through various means and therein producing movement in needed direction. The load is supported directly by the roller mounted in a frame.
A form of powered roller conveyor which is distinguished by a drive motor connected to a wide, flat belt which contacts the underside of the roller surface causing the rollers to rotate and move the load. The load is place directly on the belt which is supported by the rollers.
A form of powered conveyor used to transport heavy unit loads such as pallets and industrial containers. These conveyors can be single or double chain strand in configuration. This chain is not only the driving force but it is also the part which comes in direct contact with the load and provides friction which pulls the load forward. In some cases, free rollers on either side of or between the chain provide additional support to the load. Short sections of double strand chain conveyors are a common means of transferring loads at right angle to/from another straight section of roller conveyor.
This form of powered conveyor consists of a rotating line shaft located under and perpendicular to the load carrying conveyor rolls. The line shaft runs parallel to the length of the conveyor. Belts or circular rubber bands connect the motor driven line shaft to the conveyor rollers thereby powering the conveyor.
A type of powered conveyor accumulation. Zero pressure accumulation is that which occurs when the driving force is completely removed form the load. This is usually accomplished by way of sensors in combination with various mechanical means such that when a load is stopped on a sensor, the driving force in the zone behind the stopped load is dropped away. When the next load is driven into the now dead zone, it too will stop, causing a like chain reaction upstream, or until such time that the first stopped load is released and moves on. Discharge from an accumulation point can be either one load at a time or a so-called slug discharge, where a pre-specified number of loads are released at one time.
A crane designed to handle very large, heavy loads used at construction sites and for the loading and unloading of sea going containers.
A storage system where there is no mechanical movement of either the storage locations or the loads within the systems once they are deposited.
The action of putting objects into a block pattern in a floor storage area, usually more than one tier in height.
A racking system that is used where a greater storage density is required. It accommodates two pallet loads stacked back-to-back and requires special fork trucks called reach trucks.
Storage utilizing drawers in cabinets or within shelving systems and are suitable for applications where volume of inventory turnover is low and where smaller items are being stored.
Wheeled vehicle used in the plant or distribution center, in the dock area (and in some cases also in the yard or on construction sites, to pick up, transport and deposit single loads. May be powered manually, by gasoline, propane or electrically.
Also known as "tractors". Used solely to pull a string of unit load trailers and have no lifting capability. These can be operator driven or automatic/guided path. See also Tugger AGV .
An industrial lift truck that is utilized in aisles as narrow as 6 feet and has had the counterbalancing addressed by front end outriggers. These outriggers also serve to prevent the natural forward tipping motion that would be created as a load is lifted
Refers to a type of fork truck that is powered but does not carry an operator. Often referred to as a walk behind fork truck.
The chute conveyor is the simplest example of gravity operated conveyor. Not unlike a child's sliding board, unit simply slides down a straight or spiraling metal or plastic chute to it ultimate destination.