Glossary


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31) Single girder crane

An overhead traveling crane that utilizes a single bridge beam attached to the two runway/end trucks.  This bridge beam or single girder supports a lifting mechanism or hoist that "runs" on the bottom flange of the bridge beam.

32) Single leg gantry crane

A gantry crane designed to have one "leg" of the crane supporting an end of the bridge and the other end of the bridge is supported by an end truck running on an elevated rail or runway.  Often referred to as a semigantry crane.

33) Single row double face shelving

One generally continuous row of units joined together side to side to be serviced from either front or back by two service aisles.  May also be identified as "pass through" shelving.

34) Single row single face shelving

One generally continuous row of units joined together and side to side to be serviced from one service aisle.

35) Sizing

The use of sensor arrays to detect the size of an object.  The number of sensors in continuous array that detect the object are a surrogate for object size.

36) Skew angle

The angle at which photoelectric sensors are sometimes mounted in retro-reflective applications so as to prevent the reflection of the object itself from triggering the sensor.

37) Skid

A pallet that does not utilize a bottom deck.  Generally supports the top deck by means of blocks and stringers.

38) Slat conveyor

A conveyor employing one or more endless chains to which non-overlapping, non-interlocking, spaced slats are attached.

39) Slave pallet

A pallet used in an automated rack system.

40) Slider belt conveyor

A simple and inexpensive form of powered conveyor. A single section will have a large roller at both ends, one of which is powered by a pulley type belt connected to a motor. The belt is literally slide over a flat surface therein conveying the load on a horizontal plane or carrying loads up an incline.

41) Slip rings

An electro-mechanical device consisting of rings and sliding brushes that allow power, control or signals to pass from a stationary source to a rotating machine member.

42) Slip sheet

Often a piece of cardboard or plastic sheeting on which a load is placed and is moved/removed with a special fork lift equipped like forks with rollers and/or push pull attachment.

43) SMA

The Storage Manufacturers Association (SMA) members are the Industry’s leading suppliers of industrial storage equipment. They supply storage solutions worldwide and in virtually every major manufacturing and distribution sector.

44) Small parts storage

The system of storing small parts/items usually utilizing bin shelving and rack and storing the parts in plastic or metal bins and containers.  Carousels can be used for storing and retrieving these smaller parts.

45) Smart card

A card with a magnetic stripe to capture and present information.