Glossary


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76) Shelving side panel

A sheet steel panel attaches to the front and rear post to enclose the side of the unit, or as a partition between units placed side by side.

77) Shelving side sway brace

Two pieces of flat or formed steel stock attached to the front and rear posts to prevent front to rear sway.

78) Shelving panel sway brace

An alternate to the side sway brace.  A panel of steel which attaches to the front and rear post to prevent front to rear sway.

79) Shelf reinforcement

A variety of flat bars, angles, channels or other formed sections which are placed within or under the shelf to reinforce the shelf and prevent damage due to shock loading.

80) Shelf divider

A formed steel partition placed within the shelf opening to subdivide it into smaller compartments.  Some types of dividers include: full height, angle, tapered, sliding, floating.

81) Second surface reflection

A problem for polarized retro-reflective sensors that is created by shiny objects wrapped in shiny material.  The wrapping material can depolarize the light as it passes through.

82) Shielded

An inductive proximity sensor configuration that allows for the sensor to be embedded in metal.  Shielded sensors contain a metal band that surrounds the ferrite core and allows the electromagnetic field to be concentrated to the front of the sensor face.

83) 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.

84) 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.

85) Synchronous detection

The use of an exact sequence of light pulses to activate the output on a photoelectric cell.

86) Target correction factor

Aspects of the target object such as sensing face size and shape that determine the actual sensing distance with respect to inductive proximity sensors.

87) Target of flight

A measurement principle used in electronic distance measuring sensors based on the length of time it takes for a light pulse to travel from transmission to reception back from the target.

88) Unshielded

An inductive proximity sensor configuration that requires a metal-free zone around the sensing face.

89) Single row single face shelving

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

90) 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.