As the industrial consumables, the cutting fluid is the most widely used in the processing industry, and the stability of the cutting fluid is crucial for the progress of production. Common cutting fluids are divided into: emulsified cutting fluid, semi-synthetic cutting fluid, fully synthetic cutting fluid, and microemulsion cutting fluid. Different cutting fluids are selected for different processing methods.
How to deal with the common problems of mildew and odor in cutting fluid
The cutting fluid used for processing different materials is also different, and the concentration according to the processing method is also not the same. The rough processing can reduce the concentration of the appropriate ratio, which can save the cost, and the precision processing should be larger relative to the ratio, to ensure the cutting fluid A certain degree of lubricity has a better effect on the surface of the processed product. According to the cutting fluid manufacturers recommend the use of liquid concentration to ensure tool life and production stability.
Common problems with cutting fluids:
1, moldy and smelly
The cutting fluid becomes moldy and stinky, causing a pungent odor that can easily lead to skin irritation. If such a situation is found, the cooling tank should be cleaned in time and the cutting fluid should be replaced. Cause this kind of situation, generally there is no use of cutting fluid and external environment for a long time, such as small holiday or replacement of processing equipment, equipment does not work during the period of time (two days), should be regularly open cutting fluid circulation, to avoid the emergence of mildew and other conditions .
2, cutting fluid foaming
The bubbling of the cutting fluid can easily lead to insufficient cooling during the machining process, resulting in rapid tool wear and affecting normal operation. If the concentration ratio of the cutting fluid is too high, the water level may be too low. This may happen. It should be adjusted in time, or an appropriate amount of defoamer may be added according to the cutting fluid manufacturer's recommendation to avoid foaming of the cutting fluid.
3, cutting fluid floating oil
The cutting fluid slick is generally the hydraulic oil and rail oil on the equipment. As the cutting fluid flows into the cooling tank, an oil-water separator can be added to the cooling tank. Many CNCs and machining centers are equipped with oil-water separators when they leave the factory. The use of oil-water separators should be regularly checked for cleaning to prevent the cutting fluid from becoming unstable due to mixing of cutting fluid and oil.
4, the workpiece surface finish is low and easy to rust
Choosing the right cutting fluid can ensure the surface finish of the machined workpiece, affecting the smoothness is mainly the lubricating property of the cutting fluid, and the proper ratio can guarantee the lubrication. According to the manufacturer's recommended ratio, the manufacturer can obtain many practical tests after all. The data is more accurate. The cutting fluid also has a certain anti-rust cycle. This cycle is short. After processing, special anti-rust oil should be used to protect the workpiece.
The use of cutting fluids should pay attention to regular inspections, regular replacement of cutting fluids, and selection of reasonable and appropriate concentration ratios. Only in this way can we prevent them and ensure normal production and avoid unnecessary troubles.
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