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MKC Oil Seal Co., Ltd. is a specialized manufacturer of the oil seals and rubber parts. We established in 1983 in Taiwan and had more than 30 years’ experience in producing technology and design development. We have an excellent reputation for quality and good services throughout worldwide.
By mkc | 23 August 2022 | 0 Comments

Types of Shaft Seals

There are two types of shaft seals: ceramic felt and Teflon. Ceramic felt seals consist of two half plates with a felt piece sandwiched between them. These are usually made of felt, and the material wears out over time. Teflon is stiffer than ceramic felt, and can be cut to fit more tightly. Both materials work well with your car's power steering system. If you're wondering which one to purchase, read this article.
rotary shaft seal
A rotary shaft seal prevents harmful contaminants from entering machinery. These seals are made by vulcanizing an elastomer to a metal ring, acting as a stiffener. In addition, they often employ a metal tensioning spring behind the sealing lip to prevent the seal from deforming and allowing for easy removal. Depending on the needs of the application, there are several different designs to choose from. Nitrile is the most common type of elastomer used to manufacture rotary shaft seals, but other materials such as Viton (r), Silicone, EPDM, and Nitrile are also available.
One of the advantages of using a rotary shaft seal is that it can be manufactured according to customer's design specifications. Typically, a rotary shaft seal is produced using a customer's sample, print, or a previous supplier's part number. CAD and CAM software are used to develop detailed product specifications. The finished molds are then heat-treated and precision instruments are used to check their quality. The seals are molded on vacuum type hydraulic vulcanization machines. After vulcanization, they are inspected at the manufacturing facility.
A rotary shaft's initial manufactured surface finish is crucial for the life of the seal. The roughness of the shaft's surface will increase the likelihood of the seal wearing out prematurely. However, roughness and hardness are not independent properties. The harder the rotary shaft surface, the more likely it will wear down prematurely. For this reason, a rotary shaft must be of sufficient hardness to avoid premature wear and tear.
radial shaft seal
A radial shaft seal, also known as a lip or rotary seal, is a component used to seal rotary or rotating elements, including axles, struts, and hydraulic pumps. Other common uses for a radial shaft seal include valve stems, power steering, and power steering. Learn more about these components and their uses. You might not realize it, but these seals can also be used to keep the interior of your car air tight.
Typically, radial shaft seals are designed to perform within specified limits of surface speed. This capability is directly related to the torque, power consumption, and temperature of the under-lip and the effect of dynamic run-out. While this can affect service life, it is essential to consider speed-related influences when choosing a radial shaft seal. Any speed higher than the recommended limit may lead to rapid wear and possibly even gap opening.
Radial shaft seals are designed to retain lubricants within the bearing housing and exclude contaminants. They play an essential role in the reliability of mechanical power transmission devices. More than 25% of mechanical failures are due to a failure in the bearing. Up to 80 percent of all bearing failures are caused by contaminated bearing housings. By assessing application requirements and choosing the right radial shaft seal, you can prevent contamination and extend the life of your machinery.
drive shaft seal
Is your car's drive shaft leaking oil? A quick search in your local stocklist will reveal a couple of problems. First, the seal is not installed correctly. It has corroded around the journal, and the area where the seal rides is worn and damaged. Second, the dowel pin hole in the shaft isn't sealed with silicone. Third, the oil seal has begun to leak after clutch swop.
In both cases, the leak will only be noticeable when the vehicle is moving. If the transmission fluid is leaking from the output shaft, the vehicle may suddenly jump out of four-wheel drive without the driver having to activate the switch. Additionally, the transmission fluid can leak from the transfer case due to a leaking seal. Although this problem will most likely occur only when the vehicle is moving, a leaking shaft will siphon fluid and cause severe damage to the drive system. Therefore, it's best to replace the shaft as soon as possible.
A good drive shaft seal is a vital part of any vehicle's suspension system. This part is located in the axle tube, and prevents oil from the differential from getting into the swivel housing. If it becomes corroded, it can cause other problems. One of the most common causes of blown drive shaft seals is a blocked differential breather. To prevent this problem, it's crucial to replace the drive shaft seal as soon as you notice any of the above symptoms.

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