Mechanical Glossary

• Tags: Mechanical Glossary

A        

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• Acceleration  -  The rate of change of velocity.  Whenever a mass experiences a force, an acceleration is acting.
• Angular Velocity  -  The speed that an object moves through an angle, θ.  The calculation below calculates ω but does not calculate the relative velocity of a point as it moves throughout the curve.

B

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• Breakdown Torque  -  Maximum torque an AC motor will develop.

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• Fitting  -  A piping component that is used to join piping, change the direction or diameter of piping or end the pipe.
• Flange  -  A bolted connection where two pieces of pipe, equipment, fittings or valves are connected together to form a piping system.
• Force  -  The push or pull of an object resulting in a change from rest or motion.
• Friction  -  The mechanical resistance to the relative movement of two surfaces.

G

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• Horsepower  -  A measure of power or the rate of doing work.

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L       

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• Law of Inertia  -  See Newton's First Law

M

N

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• Newton's First Law  -  A object at rest remains at rest and a object in motion continues to move at a constant velocity unless acted upon by an external force.

O

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• Pipe  -  A hollow tube that can carry products such as fluid, gas, granular and more.
• Power  -  The rate of doing work and is measured by the amount of foot pounds of work done in a particular unit of time.

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R

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• Srevice Factor  -  A factor which is used to reduce a strength value to obtain an engineering design stress.
• Speed  -  The rate of change or distance with time.
• Starting Torque  -  The torque produced by a motor at initial switch on.

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• Tolerance  -  Permitted deviation between the declared value of a quantity and the measured value.
• Torque  -  A measure of how much twisting is applied to a fastener.

U

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• Valve  -  A mechanism used to stop or open and regulate flow.  The type of valve used depends on the application.

W        

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• Work  -  The overcoming of resistance through space and is the measure of force x distance. 

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