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Applications with rotating shafts are protected in damp situations by rotary shaft seals. The rotating shaft seals stop water and dirt from entering the application and keep lubricant (oil, grease, or water) within.
The vital components of ships, pumps, and tidal turbines are shielded from fluids by these sealing systems.
In order to prevent fluid from escaping along the shaft, a rotary seal, often referred to as a radial shaft seal, typically fits between a rotary shaft and a fixed housing, such as a cylinder wall. The inner lip of the rotary seal presses against the rotating shaft, while its outside surface is fastened to the housing.
A dust lip was necessary to give protection against environmental dirt and debris on the dry motor side of the sealing lip, which runs on the surface of the transmission rotor shaft and is forced radially onto the shaft by a tension spring.
Synthetic oil was used as the application medium, which is fairly typical for automotive applications. However, due to the highest working temperature, FKM (Viton) was chosen as the elastomer material to fit the needed range.
The shaft speed was notably high at 8500 RPM, as with many applications in gearboxes for electric vehicles. In order to achieve the necessary service life at these high speeds, seal design often needs to provide little friction.
The Global EV rotary shaft seal market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
The Turcon Varilip PDR rotary shaft seal uses cutting-edge materials and design approaches to deliver the best sealing performance for motorsport applications. It was created to push the limits set by elastomer radial shaft seals. It is distinguished by minimal friction, stick-slip-free operation, reduced temperature generation, and the ability to operate at faster peripheral speeds.
The Turcon Varilip PDR rotary shaft’s design offers an excellent sealing solution while maintaining a small seal envelope. Standard elastomeric rotary shaft seals are known to have a constrained range of applications, so we are confident that the Turcon Varilip PDR rotary shaft seal will consistently outperform competing goods.
The seal is made up of just two components: a metal body that was precisely machined and a Turcon sealing element that is mechanically retained. A gasket is not necessary to ensure sealing between the lip and casing, in contrast to seals with pressed metal casings. This is made possible by the mechanical retention of the lip, which also expands the sealing system’s temperature range and chemical resistance.
Turcon Varilip PDR rotary shaft seal end users may also optimise their hardware design to reduce envelope and part count by choosing the integrated end plate option. Additionally, a hydrodynamic feature on the Turcon sealing lip is provided for the Turcon Varilip PDR rotary shaft seal, which results in a positive displacement of fluid as a result of the shaft rotation to provide
Additionally, the characteristic makes the lip more flexible and permits a larger contact area between the Turcon lip and the shaft, which reduces shaft stress and the resulting wear and temperature generation.
The rotary shaft seal, like all Turcon Varilip PDR seals, has exceptional high and low temperature performance in comparison to elastomeric materials.
Turcon Varilip PDR seal, according to Trelleborg, is not constrained in its temperature performance by the presence of an elastomer gasket, unlike conventional PTFE lip seals. It can now withstand a wide range of temperatures thanks to this. Additionally, it offers great resilience to biofuels and oil additives, both of which can negatively affect many elastomers.
