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OSHA 1910.212(a)(2) requires these guards to be “affixed to the machine where possible." [1] Specifics for the type and construction of the guard are determined by the proximity of the guard to the hazard, and the type of hazard. Point of Operation Guarding refers to guarding the area of the machine where the work is performed.
A moving part that has a uniform rotation motion is subject to less fatigue than a moving part that oscillates back and forth. Vibration leads to failure when the forcing frequency of the machine's operation hits a resonant frequency of one or more moving parts, such as rotating shafts. Designers avoid these problems by calculating the natural ...
A cam is a rotating or sliding piece in a mechanical linkage used especially in transforming rotary motion into linear motion. [1] [2] It is often a part of a rotating wheel (e.g. an eccentric wheel) or shaft (e.g. a cylinder with an irregular shape) that strikes a lever at one or more points on its circular
A nip point is a type of pinch point involving rotating objects, such as gears and pulleys. [2] Injuries can range from minor such as blisters to severe like amputations and fatalities. [ 3 ] Examples of pinch point hazards include gaps in closing doors and objects swinging or being lowered near fixed objects.
The balancing of rotating bodies is important to avoid vibration. In heavy industrial machines such as gas turbines and electric generators, vibration can cause catastrophic failure, as well as noise and discomfort. In the case of a narrow wheel, balancing simply involves moving the center of gravity to the centre of rotation.
OSHA also requires employers to report on every injury or job-related illness requiring medical treatment (other than first aid) on OSHA Form 300, "Log of Work-Related Injuries and Illnesses" (known as an "OSHA Log" or "Form 300"). An annual summary is also required and must be posted for three months, and records must be kept for at least five ...
Image source: Getty Images. 1. 401(k) Your 401(k) is probably your best bet if you qualify for an employer match. Every company's matching formula is different, but it's possible to take home ...
Typically these bearings support a rotating shaft in the bore of the inner ring that may be misaligned in respect to the outer ring. The misalignment is possible due to the spherical internal shape of the outer ring and spherical rollers. [1] Despite what their name may imply, spherical roller bearings are not truly spherical in shape.
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