Cutting fluid is an industrial liquid used in metal cutting and grinding processes to cool and lubricate cutting tools and machined parts. The use of cutting fluid plays an important role in metal cutting. Generally speaking, cutting fluid is composed of cooling medium, lubricating additive, surfactant, antirust additive, stabilizer and so on. Reasonable choice of cutting fluid can improve production efficiency and product quality.

  A good cutting fluid must have good lubricity, cleaning, cooling and anti-rust, metal processing process using a good cutting fluid to improve product quality, processing efficiency is of great significance. The specific role of cutting fluid is reflected in the following four aspects:

  1, cooling effect: the cooling effect of cutting fluid is through it and because of cutting the heat of the tool (or grinding wheel), chip and workpiece convection and vaporization, the cutting heat from the tool and the workpiece away. Due to the cooling capacity of the cutting fluid, the direct cooling effect can not only reduce the cutting temperature effectively, reduce the thermal deformation of the workpiece and the tool, keep the tool hardness, prolong the tool life, improve the machining precision, prevent the thermal expansion of the workpiece and cool the processed surface. The generation of metamorphic layers.
  2, the role of lubrication: cutting fluid lubrication can reduce the rake face and chip, the flank and the workpiece surface friction between the formation of part of the lubricating film. Under certain conditions, the use of good cutting fluid, can reduce the front and rear of the tool friction, which can reduce power, increase tool life, and can improve product finish. And more important is to reduce the chance of producing BUE (ie, tumor). In the case of
  3, cleaning effect: in the metal cutting process, often produce grease and oil and some small chips, metal powder, wheel sticky ash, etc., resulting in mechanical abrasion and wear, resulting in deterioration of the workpiece surface quality, tool life and machine accuracy Reduced, which requires a good cleaning fluid cutting effect. In the use of cutting fluid to give a certain pressure to improve the scouring ability, in time to crush chips, sand, binder powder washed away. In the case of
  4, anti-rust effect: In the machining process, the workpiece and the machine affected by the surrounding corrosive media, such as moisture, oxygen, hand sweat, acidic substances and air in the dust attack and rust. In high temperature, high humidity season or wet areas, this rust is particularly prominent. At the same time according to China's processing of metal parts in the workshop in a long time to deal with the status quo, must require the cutting fluid itself not only on the machine tools, tools and workpieces do not produce corrosion, but also on the metal products should have good anti-rust performance. In the wet rainy season in southern China, we should pay attention to the anti-rust measures between the process.