Advantages and Usage of Cutting and Grinding Fluids

　　Generally, cutting and grinding fluids consist of aviation gasoline, kerosene, transformer oil, various vegetable oils, animal oils, hydrocarbons, and certain additives. Cutting and grinding fluid According to the abrasive material used, grinding fluids can be categorized into diamond grinding fluids, silica grinding fluids, and cerium oxide grinding fluids. Among these, diamond grinding fluids can be further divided into single-crystal diamond grinding fluids, polycrystalline diamond grinding fluids, and detonation-produced nanodiamond grinding fluids.

　　 Cutting and grinding fluid Advantages: 1. Modulated abrasive; 2. Contains special extreme-pressure lubricating additives that reduce grinding temperatures and promptly cool the tool, significantly minimizing tool wear; 3. Employs high-molecular-weight water- and oil-soluble rust inhibitors, providing excellent rust-prevention performance for both equipment and workpieces; 4. Low foaming tendency and excellent cleaning performance, making it a suitable replacement for traditional emulsified oils; 5. High transparency, facilitating monitoring of the workpiece surface’s machining condition; 6. Long service life—replacement cycle exceeds one year—compliant with environmental protection requirements, reducing waste and enhancing production efficiency; 7. Does not harm operators’ skin and does not affect machine paintwork, offering protective benefits.

　　How to Use Cutting and Grinding Fluid

　　1. Cutting and grinding fluid The amount of water added depends on the water quality and the type of chips generated. If the water quality contains a higher proportion of hard chips, the amount of grinding fluid to be added should be increased accordingly. Since centrifugal grinding machines generate large quantities of chips simultaneously, the volume of grinding fluid should be increased as well. Generally, in spiral vibration grinding machines, the volume of grinding fluid accounts for 6–10% of the grinding chamber’s total volume; therefore, each grinding cycle requires an addition of 60–100 grams. For a 30-liter centrifugal grinding machine, each drum has a volume of only 7.5 liters, with a volume utilization rate of 55%. Thus, 20 grams should be added per drum, and during polishing, the glossiness can be appropriately enhanced. Water helps buffer and clean the workpiece surface. A larger amount of water provides stronger buffering action, reducing workpiece deformation and lowering the surface roughness of the workpiece. In spiral grinding machines, the water volume typically ranges from 3% to 5%, while in centrifugal grinding machines, the amount of water added is about 4–5 centimeters above the surface of the mixture.

　　2. The function of cutting and grinding fluid: A small amount of grinding fluid is added into the roller, thoroughly mixed with water, and then adheres to the surfaces of both the workpiece and the abrasive during the polishing process. Its functions include: (1) Chemical action on the oxide film on the metal surface softens it, making it easier to remove from the surface through grinding and thereby improving grinding efficiency. (2) Like a grinding lubricant, it provides lubrication between the grinding wheel and the metal workpiece, resulting in a smooth surface finish. (3) Similar to a detergent, it effectively removes oil and grease from the surface of the metal workpiece. (4) For a short period before cleaning, the ground parts exhibit a certain anti-rust effect. (5) During precision finishing operations, mixing with water helps reduce the mutual impact between parts.

　　 Cutting and grinding fluid With relatively low processing costs, it is widely used for grinding and polishing hard materials such as superhard materials and cemented carbides. Not only does it enhance grinding speed, but it also efficiently dissipates the large amount of heat generated during the grinding process, thereby preventing thermal damage to the workpiece surface.