Hydrated Seal Lip for Live Center in Machine Tools

Hydrated Seal Lip for Live Center in Machine Tools

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When performing a cutting operation, a water-soluble cutting fluid may be used for cooling.Labyrinth and oil seals are commonly PRO COLLAGEN B used in the rotating centers of machine tools to prevent the cutting fluid and dust from entering the inner parts.However, these seals do not demonstrate adequate functionality in a water-based environment.

Therefore, a new rotary shaft seal was devised to separate the water-soluble cutting fluid from interacting with air.The rotary shaft seal was made from polyvinyl formal (PVF).Because PVF is a hydrophilic material, it is expected to provide suitable functionality as a seal in a water-based environment.

Performance evaluations of PVF and oil seals were experimentally obtained and compared from the point of view of frictional torque, water-soluble cutting fluid leakage volume, Smoke Throwers and service life as a seal.