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2. Balancing of rotating masses - Wikipedia

   en.wikipedia.org/wiki/Balancing_of_rotating_masses

   When an unbalanced system is rotating, periodic linear and/or torsional forces are generated which are perpendicular to the axis of rotation. The periodic nature of these forces is commonly experienced as vibration. These off-axis vibration forces may exceed the design limits of individual machine elements, reducing the service life of these parts.

3. Rotating unbalance - Wikipedia

   en.wikipedia.org/wiki/Rotating_unbalance

   A static balance (sometimes called a force balance [2] [3]) occurs when the inertial axis of a rotating mass is displaced from and parallel to the axis of rotation.Static unbalances can occur more frequently in disk-shaped rotors because the thin geometric profile of the disk allows for an uneven distribution of mass with an inertial axis that is nearly parallel to the axis of rotation.

4. Engine balance - Wikipedia

   en.wikipedia.org/wiki/Engine_balance

   The shape could be enclosed in a 5 ⁄ 8-inch square for one of the unbalanced locomotives and was reduced to a point when weights were added to counter revolving and reciprocating masses. [12] The effect of vertical out-of-balance, or varying wheel load on the rail, was quantified by Professor Robinson in the U.S. in 1895.

5. Washing machine - Wikipedia

   en.wikipedia.org/wiki/Washing_machine

   A commercial washing machine is intended for more intensive use than a consumer washing machine. [146] Durability and functionality is more important than style; most commercial washers are bulky and heavy, often with more expensive stainless steel construction to minimize corrosion in a constantly-moist environment.

6. Samsung Electronics - Wikipedia

   en.wikipedia.org/wiki/Samsung_Electronics

   Samsung is a major supplier for Apple – first providing memory for the early iPod devices in 2005, [34] and Apple is a key customer for Samsung – in 2012 its component sales were thought to be worth in the region of $8 billion revenue to Samsung [195] – to the point where Apple CEO Tim Cook originally opposed litigation against Samsung ...

7. Grid balancing - Wikipedia

   en.wikipedia.org/wiki/Grid_balancing

   [5] As of the beginning of 2020s, the actual balancing service was provided primarily by the conventional power stations : [ 1 ] frequently, the only quick-response safety margin is the inertial response provided by the kinetic energy of the physically rotating machinery ( synchronous generators and turbines).