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  • The edge of the metal is finely ground after seal manufacture in a centerless grinder to enable an interference fit in the oil seal housing. A slight chamfer on the outer diameter (OD) of the seal is desirable for easy assembly. The sealing lip is prepared by buffing, grinding or cutting away the rubber flash which occurs at the sealing edge. A fine sealing edge creates sufficient pressure on the shaft to minimise spring load, leading to lower friction whilst maintaining effective seal performance. The garter spring plays an important role in the efficiency of the oil seal. If its tension is too high, heat will be generated between the sealing lip and the shaft, and result in rapid wear of the lip. If too low, the spring will be ineffective and the sealing lip will be worn away leading to leakage of the fluid.

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  • In the intricate world of automotive engineering, one component stands out for its critical role in igniting the combustion process - the spark plug. A seemingly insignificant piece, the 794 000 spark plug, is a powerhouse of performance and durability that significantly impacts the efficiency and overall health of an engine.
  • Nitrile rubber is suitable for applications involving petroleum-based fluids, while viton seals offer excellent resistance to high temperatures and aggressive chemicals.
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  • Another significant benefit of the L7TC Spark Plug is its environmental friendliness
  • For details on shaft and housing design, please see the following:
    Examples of allowable total eccentricity for oil seals