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Spur Gears

Can transmit large amounts of power. Types of spur gears. Plastic spur gears are commonly made from acetal or nylon and have many positive characteristics including being lightweight, non-rusting and quiet. They enable low cost and large production capabilities, and are also able to operate without lubrication. For hygiene reasons, plastic spur gears are an excellent choice for use in industries dealing with food production and medical equipment.Metal spur gears have more strength, load-carrying capacity and heat resilience than their plastic counterpart. They are more dimensionally stable compared to plastic and can be made from many metals such as aluminium, brass and stainless steel.Common applications: • Metal cutting machines• Power plants• Marine engines• Mechanical clocks and watches• Fuel pumps• Washing machines• Gear motors and gear pumps• Rack and pinion mechanisms• Material handling equipment• Automobile gear boxes• Steel mills• Rolling mills. Spur gears are however very loud and so will not be found in vehicles. When the teeth collide with each other there is an impact noise which is really loud compared to the helical gears found in cars.