Lubricants for industrial machinery (6)
Nine, F group (spindle, bearing and related off-the-shelf) oil 1. China has developed a product classification standard for Group F oil (GB/T7631.4-89) This classification only has two varieties of FC and FD, All are refined mineral oils. Synthetic oil type bearing oils are incorporated into the oils and greases of Group S (special lubricants). FC oil is an R&O type lubricant suitable for the lubrication of plain bearings or rolling bearings and related clutch pressure, oil bath and oil mist (suspended particulates). FD Oil Star is an anti-wear (AW) and extreme pressure (EP) type lubricant that is not suitable for clutches because the clutch uses oil containing anti-wear and extreme pressure additives to "slip" the clutch. Other applications are the same as FC oil. 2. According to the working characteristics of the bearing lubrication system, the bearing oil should have