Furthermore, the automotive and aerospace industries also utilize self-drilling screws due to their strength and reliability in high-stress environments.
Another advantage of self-drilling anchor screws is their resistance to corrosion and rust. This is particularly important for outdoor or humid environments, where traditional screws may degrade over time. By choosing self-drilling anchor screws made from corrosion-resistant materials, such as stainless steel, you can ensure that your installations remain secure and reliable for years to come.
If the drive gear has slanting teeth, they may cause the rotor arm to turn. If it does, mark its new position to aid refitting
3, the oil seal installation position is small, axial small size, easy processing, and make the machine compact.
ERIKS type M (type B according to the DIN standard) has a single metal casing and rubber sealing lip. Since the casing is made of metal, it must be fitted in a well-finished, undamaged groove. Large volumes of oil seals with metal casings are often cheaper, which is why they are often used as original equipment in machines. However, if an oil seal has to be replaced, types with a rubber exterior (type R or RST) are easier to fit. Type MST is similar to M and commonly used. The difference is the dust lip in the MST oil seal that prevents dust and dirt reaching the sealing lip, and extends its service life in dusty environments.
The most important function of an oil seal is to protect all types of sleeves, roller bearings, and balls located in the rotary shafts. These seals also prevent two fluids from mixing, such as water and oil.
Figure 3: Sealing function of main lip radial load
* KOYO is a registered trademark of JTEKT.
When the oil seal material and the chemical are not compatible, there will be a chemical attack, which increases at high temperatures. The only way to remedy this is to select the right material for your application. If you’ll be dealing with harsh chemicals, choose oil seals that are made with reliable materials for their compatibility.
Various machines have different components that, when combined, work together as a whole. The equipment will not last forever and will eventually deteriorate through use. The use of mechanical lubrication protects these machines from deterioration while maintaining their designed function.
However, using the wrong type or not applying sufficient lubrication can lead to machine damage, equipment failure, and leaks. Therefore it is important to choose the correct lubricant for your machine.
If you follow the above instructions, the oil seals should work properly. Also watch the video below for an example of the installation process.
ERIKS type GV (type C according to DIN) is equivalent to type M, but is a heavy-duty version with a double metal casing. This can be a useful solution with larger diameters in more demanding applications. There is also a version of this type with a dust lip; the GVST (type CS according to DIN).