Machine Grease Types

The third portion is the fluid which can be selected from mineral oils various types of synthetics polyglycols or a never ending combination of fluids.

Machine grease types.

Some customers think grease selection can be complicated and confusing but it doesn t have to be. Base oil thickener and additives. 1 rotational speed rotational speed r min x 0 5 d d mm. Oil is normally used internally so it can flow through the different tubes and passages and works as part of a system or cycle that allows it to circulate as it lubricates.

Lubricants including greases prevent metal to metal contact. While greases can behave similarly to lubricating oils when they are used as a lubricant they are not actually the same thing. 3 c p load ratio where c basic dynamic load rating kn and p equivalent dynamic bearing load kn. As with any type of lubricant the goal when using a grease is to reduce friction by creating a film that separates the moving surfaces.

Paul grives global services grease marketing manager exxonmobil fuels lubricants. Experts at nsk americas which develops bearings and linear motion systems explain that in every case there had been a recent switch from one type of grease that met the machine manufacturer s specifications for optimal performance to another type that also met the appropriate specs. Numerous types of grease thickeners are currently in use each with its own pros and cons. Heavy duty grease red n tacky grease marine grease use when.

2 for ball bearings spherical roller bearings tapered roller bearings and carb bearings rotational speed up to 210 000 and for cylindrical roller bearings rotational speed up to 270 000. Different types of greases are typically formulated with three grease components. White lithium grease marine grease silicone grease. Higher end greases synthetic grease this type of grease is more expensive it s almost three times the cost of a basic grease but it lasts longer than a petroleum based grease.

Machines that have spindles or rotating grooves can get very hot and a polyurea grease won t break down as quickly as other types of grease. With so many options understanding your needs is important when selecting grease. Let me try to demystify grease a bit. And in each case the operators had been victims of.

A more complex structure can be formed by using a complexing salt. Grease is a lubricant it is much thicker than oil and is used in other areas of your machine or vehicle. This converts the thickener to a soap salt complex hence the term complex grease. The most commonly used types of grease in the automotive world is multi purpose the main use for this stuff is chassis components where heat is not an issue this type of grease is typically made from calcium sulfonate.