Stacker Cranes

Retrotech applies a variety of world-class stacker cranes from Europe, Asia and the United States. Specifically, they are selected to best suit client needs. A wide variety of speeds, mh forks, extractors and autonomous deep-lane vehicles can be used in your applications.

Retrotech specifies fit, form, function and performance reliability standards unique to each project. Retrotech's retrofit services group enhances stacker crane designs for virtually every OEM world wide via state-of-the-art technology.

Storage/Retrieval (S/R) machine A machine operating on floor or other mounted rail(s) used for transferring a load from a storage compartment to a pickup and delivery station (P&D) to a storage compartment.

The movement of the storage /retrieval machine may be both vertical and parallel in the aisle and laterally placing the load in storage location. Common types of S/R machines are mini load S/R machines, unit load S/R machines and man-aboard S/R machines. A storage/retrieval machine is sometimes called a storage crane or S/R machine, but is different from a stacker crane.

Terms/Definitions

• Aisle transfer car: a machine or vehicle for transferring an S/R machine from aisle to aisle and that normally runs on a rail or rails.
• Operator ridden (S/R) machine: an S/R machine, with a cab attached to the machine and with an operator in the cab, whose movements can be controlled either manually or automatically.
  
• Aisle, machine: space between storage compartment rows in which the S/R machine operates.
• Buffer- an energy dissipating device for reducing impact when a moving S/R machine reaches the end of its permitted travel, or when two moving S/R machines come into contact.
  
• Cab,carriage mounted- the operator's cab which is attached to the carriage of an S/R machine and moves vertically with the carriage
• Carriage- that part of an S/R machine by which a load is moved in the vertical direction
• Conductor, aisle(s): electrical feeders along the runway that provide power in the S/R machine or aisle transfer car.
• Fault conditions: a malfunction caused by overload, travel set beyond set limits, emergency stop, or failure of components essential to safe operation of the S/R machine or aisle transfer car.

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