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The performance of grease is mainly two quality indexes

The performance of grease is mainly two quality indexes

Author:
2018/01/10
Review:
[Abstract]:
Thefirstdroppoint:whenthegreaseisheatedtoacertainlevel,itstartsdroppingthefirstdroptemperature.Itmarkstheheatresistanceofthegrease.Thehighestworkingtemperatureofvariousgreaseshouldbelowerthanthatofits

  The first drop point: when the grease is heated to a certain level, it starts dropping the first drop temperature. It marks the heat resistance of the grease. The highest working temperature of various grease should be lower than that of its dropping point 20~300C.

  Second cone penetration: at a certain temperature, the cone of a conical weight of a certain weight falls into the depth of the 5S in the grease, which is the cone of the grease. It indicates the viscosity of the grease. The conical inlet is too small, which indicates that the grease is too hard, so it is not easy to fill the frictional surface completely. It is too big to enter the cone, which indicates that the grease is too soft and easy to leak.