Our oil seals serve a wide array of industrial sectors both domestically and internationally, and we offer the following as part of our online product catalog:
Never use a used seal in another project as it may develop defects such as cracks or bubbles in the seal lip previously used.
Figure 14.4. Effect of aeration on oil aging.5 Chart shows percent retained elongation after aging for 28 days at 150°C in Mobil 276.
- Despite these benefits, proper installation and maintenance are crucial for optimal performance. Incorrect installation can lead to seal failure, potentially causing equipment downtime and costly repairs. Regular inspection and timely replacement of worn seals are essential practices to ensure continued reliability.
- The design of framework oil seals is a testament to precision engineering. Typically composed of materials such as rubber, silicone, or polytetrafluoroethylene (PTFE), they are crafted to fit seamlessly within the confines of a machine's architecture. Their installation requires meticulous attention to detail, as even a minor misalignment can compromise their performance.
The primary function of a shaft oil seal is to retain lubricating fluids within the system while preventing the ingress of external contaminants. This is particularly important in high-speed applications where the loss of lubricant or the entry of contaminants could lead to rapid wear and damage to the equipment.
(This prevents failure during mounting.)
The seal shown in Fig. 14.2 is a relatively simple design; most automotive seals are more complex. Dust lips are often used to keep outside contaminants away from the oil lip seals; such seals thus have undercuts that make demolding more difficult. Fluoroelastomer compounds used for such undercut shapes must have reasonably high elongation at break at molding temperatures to avoid tearing the part during demolding. The metal insert is often U-shaped, and stock may be molded to form a thin layer over the outside of the insert. Since both compression and injection molding methods are used, suppliers of fluoroelastomers for shaft-seal applications often must provide different versions of the same polymer composition-medium to high viscosity for compression molding, and low to medium viscosity for injection molding. Different precompounds may be necessary to accommodate relatively long compression-molding times at low temperature and very short injection-molding times at high temperature.
Compounds for Automotive Power Train Systems
ERIKS
DIN
Temperature:
Polyacrylate
Better heat, oil and chemical resistance than NBR
It is recommended for use in oil which contains load bearing additives such as EP gear oils