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Hebei Hankai dust wiper seal

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    The hub axle seal's primary function is to keep the axle lubricated. The lubricant, often a type of grease or oil, is crucial for reducing friction between moving parts. Without proper lubrication, the components can suffer from overheating and excessive wear, potentially leading to significant damage and costly repairs. Additionally, the seal prevents water and dirt from entering the axle assembly, which can cause rust and corrosion, further jeopardizing the integrity of the axle.


  • Despite its commonality, correct usage of gray electrical tape is crucialgray electrical tape. Overlapping layers must be applied without stretching the tape to avoid reducing its insulating effectiveness. Additionally, the tape should not be used as a substitute for proper electrical grounding or as a long-term solution for damaged cords, emphasizing the importance of knowing its limitations.

    Rubber tapes are generally non-adhesive, and are either equipped with a liner or are linerless. Stretched and overlapped layers will fuse or bond together to form an effective electrical insulation and moisture barrier. For low-voltage (1000V or less) applications, rubber tapes should be stretched during wrapping so that tape width is reduced to approximately 75%. For high- and medium-voltage applications — where the electrical stresses are high (e.g. connector areas, lug areas, and cable shield cut-back areas) — tape should be stretched just short of its breaking point.