[Retracted] Steady-State Flow Characteristics and End Clearance Optimization of Internal Gear Grease Pump

Table 1

Performance parameters of various lubricating greases.

Type of greases	Temperature (°C)	Penetration (0.1 mm)	Drop point (°C)	Water resistance
Lithium-based lubricating grease	−20∼120	325	178	Better
Calcium-based lubricating grease	−10∼60	322	80	Better
Graphite calcium-based lubricating grease	−10∼600	265	80	General
Complex calcium-based lubricating grease	−10∼150	310	180	Worse