Mechanical Definitions |
Brake : A machine element for applying friction of
a moving surface to slow it down or bring it to rest.
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Brake band : The contracting element of the band brake.
A band brake is a measuring device for loading a rotating
shaft and measuring the torque applied to it.
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Brake drum : It is a circular metal component that
rotates with the wheel. A set of brake shoes are fixed in
position and act on the drum by expanding.
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Brake shoe : The renewable friction element of a shoe
brake. It is also known as shoe.
|
Brazed shank tool : A metal cutting tool made of a
material different from the shank which is brazed.
|
Braker cam : A rotating engine driven device in the ignition
system of an internal combustion engine which causes the breaker
points to open, leading to a rapid fall in the primary current.
|
Breather pipe : A pipe that opens into a container for
ventilation, as in a crankcase or oil tank. |
Breathing : A duct through which the products of combustion
are transported from the furance to the stack, which can be
usually applied in steam boilers. |
Bridge trolley : The wheeled attachments at the end of
the bridge of an overhead travelling crane, permitting the bridge
to move backward and forward on elevated tracks. |
Bridgewall : A wall in a furance over which the products
of combustion flow. |
Brinell Hardness Number : A reference number for comparison
of hardness of various materials. It is based on the material
made by a 10 mm diameter ball pressed into the material. |
Broach : A multiple tooth, barlike cutting tool i.e.
the teeth are snaped to give a desired surface or contour, and
cutting results from each tooth projecting farther than the
proceding one. |
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