Mechanical Definitions |
Refrigerated Truck : It is an insulated truck which is
equipped and used as a refrigerator to transport fresh perishable
or frozen products. |
Refrigeration Condenser : It is a vapor condenser in
a refrigeration system where the refrigerant is liquefied and
discharges its heat to the environment. |
Relief : It is a passage which is made by cutting away
one side of a tail stock center therefore the facing or parting
tool may be advanced to or almost to the center of the work.
By removing the tool material, clearance is provided around
the cutting edge. |
Relief Angle : The angle is called relief angle between
a relieved surface and a tangential plane at a cutting edge.
|
Relieving : The process of treating an embossed metal
surface with an abrasive in order to reveal the base-metal color
on the elevations or highlights of the surface. |
Return Idler : It is an idler or a roller beneath the
cover plates on which the conveyor belt rides after the load
which it was carrying has been dumped. |
Reversible-pitch Propeller : It is a type of controllable-pitch
propeller having either controllable or constant speed. It has
provisions for reducing the pitch to and beyond the zero value
to the negative pitch range. |
Revolving Center : It is a center which is used in lathe
machines in order to hold the job in position. |
Rigid Coupling : It is a mechanical fastening of shafts
which is connected with the axes directly in line. |
Rigid Crusher : It is a solids-reduction device with
a rotor having loose crushing rings which are held outwardly
by centrifugal force which crush the feed by impact with the
surrounding shell. |
Riveted Joints |
Robins-Mesitr-System : It is a stacking conveyor system
in which material arrives on a conveyor belt and is fed to one
or two wing conveyors. |
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