First of all, we must understand that since there are so many types of grease, it means that each grease has its own usage scenario, so when the factory selects oil, the first step is to clarify the purpose of using grease.

The vast majority of greases are used for lubrication, which is called anti-friction grease. Anti-friction grease mainly plays a role in reducing mechanical friction and preventing mechanical wear, and also plays a protective role in preventing metal corrosion and sealing dust prevention.

There are some greases that are mainly used to prevent rust or corrosion of metals, known as protective greases. For example, industrial petroleum jelly and other small greases are specially used for sealing, called sealing grease.

The second step is specific to the scope of application of grease temperature, rotation speed and viscosity.

The working temperature of the lubrication part, the temperature of the mechanical friction part and the temperature change have a decisive impact on the lubrication effect and service life of grease.

Since grease is a rheological system, its similar viscosity changes with the shear rate. Therefore, the physical state and lubrication of grease are particularly sensitive to the operating speed of lubricated components, which is different from lubricating oil.

The environment of the lubrication site and the medium it comes into contact with have a great impact on the performance of the grease, so these aspects must be considered when choosing grease.