China wholesale Sany Concrete Pump Spare Parts - floating oil seal for concrete pump spare parts – CCMIC

floating oil seal

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advantage

1. We supply both original and aftermarket products for you
2. From the manufacturer to the customer directly, saving your cost
3. Stable stock for normal parts
4. In Time Delivery Time, with competitive shipping cost
5. Professional and on time after service

Packing 

Carton Boxes, or according to clients’ request.

description

Floating oil seal is a special type of mechanical seal. It is a compact mechanical seal method developed to adapt to the harsh working environment. It has strong anti-pollution ability, wear resistance, impact resistance, reliable work, and automatic end face wear. The advantages of compensation and simple structure are the most common applications in construction machinery products, and are also widely used in various conveyors, sand processing equipment, and concrete equipment. In coal mining machinery, it is mainly used for the sprocket of the scraper conveyor, the speed reducer and the transmission mechanism, rocker arm, drum, etc. of the coal shearer. This kind of sealing products are more common and mature in construction machinery and equipment, but in other industries, due to the small amount of use, the lack of basic theoretical data and use experience, the failure phenomenon is more common during use, and it is difficult to achieve the expected results.

Structure principle
The floating oil seal is composed of two identical metal rings and two rubber rings. Its working principle is that a pair of rubber rings form a closed space with the cavity under the support of the metal ring (but not in contact with the shaft). The metal ring is rotating. The two grinded surfaces of the machine are closely matched and slide relatively, on the one hand to ensure good operation, on the other hand, to effectively seal off external dust, water, sludge, etc., to protect the internal lubricating grease from leaking.

The sealing principle of the floating oil seal is that the two floating rings are deformed by the axial compression of the O-shaped sealing ring to produce a pressing force on the sealing end face of the floating ring. With the uniform wear of the sealing end face, this elastic energy stored by the O-ring seal is gradually released, thereby playing an axial compensation role. The sealing surface can maintain a good fit within the set time, and the general sealing life is more than 4000h.

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