A cutting fluid’s main tasks

Cutting fluid is used to cool, lubricate and remove metal particles, swarf and dirt from the machine, which can otherwise increase wear on the machine and tools.

Desirable characteristics

Technical primary characteristics: A cutting fluid has to cool and lubricate effectively in the metalworking process. It also has to keep machines and tools clean and free of mess.

Effective cooling and lubrication
Good cleaning of machines and tools
Effective removal of swarf
Good cleaning of the grinding disc

Technical secondary characteristics: There are also secondary considerations with regard to technical properties. Here are some examples:

Good corrosion/rust protection
Low foaming tendency
Low tendency to emulsify in leaked oil
Must not damage machines or components
Simple preparation
Simple control methods
Biostability

An optimal cutting fluid increases productivity and contributes to:

higher cutting speeds
fewer rejects
longer tool life
excellent surface finish
better dimensional accuracy
controlled swarf management
lower energy consumption

Choosing a cutting fluid can be complicated, especially if you have several different processes and types of material to machine. If you need any help or advice, please contact us.