Mechanical Definitions
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American bond : A bond in which every fifth, sixth, or seventh course of a wall consists of headers and the other courses consist of strechers. It can also be known as Common bond and Scotch bond.
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Ammonia compressor : A device that decreases the volume of a quantity of gaseous ammonia by the amplification of pressure. It is used in refrigeration systems.
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Ammonia condenser : A device in an ammonia refrigerating
system that increases the pressure of the ammonia gas in the
evaporating coil, conditions the ammonia, and delivers it to
the condensing system. |
Amplitude : The distance covered by a particle for vibration.
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Anchor : A vehicle used in steam plowing and located
on the side of the field opposite that of the engine while handling
the tension on the endless wire by pulley. |
Angledozer : A power operated machine fitted with a blade,
adjustable in height and angle, for pushing, sidecasting, and
spreading loose excavated materials as for opencast pits, clearing
land, or leveling runways. It is also known as Angling Dozer.
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Angle of recess : The angle which is turned through by
either of two wheels in gear, from the coincidence of the pitch
points of a pair of teeth until the last point of contact of
the teeth. |
Angle press : A hydraulic plastic molding press with
both horizontal and vertical rams. It is used to produce complex
moldings with deep undercuts. |
Angular bitstock : A bitstock which are positioned to
permit its use in corners and other cramped areas. It is also
known as angular bitstock. |
Angular gear : A gear that transmits motion between two
rotating shafts which are not parallel. It is also known as
angle gear. |
Angular milling : Milling surfaces that are flat and at an angle to the axis of the spindle of the milling machine.
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Angular shear : A shear affected by two cutting edges
inclined to each other to reduce the force needed for shearing.
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