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The implementation of machine guarding systems goes hand-in-hand with risk assessment and regular maintenance. Employers are responsible for identifying potential hazards in their operations and evaluating the necessity of machine guards. A proper risk assessment should consider all aspects of the equipment, including the tasks being performed, the skill level of the operators, and the work environment. Additionally, regular checks and maintenance of machine guards are essential to ensure they function correctly. Guards can become damaged or misaligned over time, increasing the risk of accidents, so routine inspections are critical.
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- There are several different types of oil seals available, each with its own unique design and application. Some common types include lip seals, shaft seals, and radial shaft seals. Lip seals are the most basic type and consist of a flexible rubber lip that creates a seal around a rotating shaft. Shaft seals are similar to lip seals but have a more complex design that allows them to handle higher pressures and speeds. Radial shaft seals are used to seal the end of a shaft and are typically made from a metal case and a rubber orPTFE sealing element.
First, an elastomer, most often nitrile, is vulcanised to a metal ring. This creates a stiffening effect that includes a specialised metal tension spring directly behind the sealing lip, keeping the oil seal firmly in place against the moving part.

