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  2. Balance shaft - Wikipedia

    en.wikipedia.org/wiki/Balance_shaft

    The operating principle of a balance shaft system is that two shafts carrying identical eccentric weights rotate in opposite directions at twice the engine speed. The phasing of the shafts is such that the centrifugal forces produced by the weights cancel the vertical second-order forces (at twice the engine RPM) produced by the engine. [3]

  3. Engine balance - Wikipedia

    en.wikipedia.org/wiki/Engine_balance

    These take the form of a pair of balance shafts that rotate in opposite directions at twice engine speed, known as Lanchester shafts, after the original manufacturer. In V8 engines , the problem is usually avoided by using a cross-plane crankshaft , and a 180° or single-plane crankshaft is used only in high-performance V8 engines, where it ...

  4. Laboratory quality control - Wikipedia

    en.wikipedia.org/wiki/Laboratory_quality_control

    A control chart is a more specific kind of run chart. The control chart is one of the seven basic tools of quality control, which also include the histogram, pareto chart, check sheet, cause and effect diagram, flowchart and scatter diagram. Control charts prevent unnecessary process adjustments, provide information about process capability ...

  5. Cam (mechanism) - Wikipedia

    en.wikipedia.org/wiki/Cam_(mechanism)

    A common form is the constant lead cam, where the displacement of the follower is linear with rotation, such as the scroll plate in a scroll chuck. Non-invertible functions, which require the groove to self-intersect, can be implemented using special follower designs. Sash window lock, traditional cam style, for double-hung sash window

  6. Slider-crank linkage - Wikipedia

    en.wikipedia.org/wiki/Slider-crank_linkage

    These generalized relationships are displayed in the form of 3 equations and can be used to determine unknown values for almost any offset slider-crank. These equations express the link lengths, L 1, L 2, and L 3, as a function of the stroke,(ΔR 4) max, the imbalance angle, β, and the angle of an arbitrary line M, θ M.

  7. Rotordynamics - Wikipedia

    en.wikipedia.org/wiki/Rotordynamics

    The simplest form of the rotor constrains the disk to a plane orthogonal to the axis of rotation. This limits the rotor's response to lateral vibration only. If the disk is perfectly balanced (i.e., its geometric center and center of mass are coincident), then the rotor is analogous to a single-degree-of-freedom undamped oscillator under free ...

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  9. List of Volkswagen Group petrol engines - Wikipedia

    en.wikipedia.org/wiki/List_of_Volkswagen_Group...

    The thermostat side is joined by a plastic union directly to the engine oil cooler, which in turn is mounted to and is an integral part of the ancillary / alternator bracket (also includes the oil filter housing in all generations and applications). The coolant pump is driven by the intake side balance shaft, on the flywheel side of the engine.

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