Cutting fluids are extensively utilized in various metalworking processes such as turning [1], milling [2, 3], drilling, and grinding [4–6]. They serve multiple functions, including cooling, lubrication, cleaning, and rust prevention, all of which contribute to enhancing machining efficiency. By reducing cutting temperatures, cutting fluids minimize tool wear, extend tool lifespan, and improve the smoothness of the machined surface [7, 8]. These fluids typically consist of a base oil, which can be derived from mineral, synthetic, or vegetable sources. Mineral oil-based cutting fluids, which are extracted from petroleum, account for approximately 85% of global usage [9, 10].

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Preparation and Modification of Bio-Lubricants

  • Yanbin Zhang,
  • Changhe Li

摘要

Cutting fluids are extensively utilized in various metalworking processes such as turning [1], milling [2, 3], drilling, and grinding [4–6]. They serve multiple functions, including cooling, lubrication, cleaning, and rust prevention, all of which contribute to enhancing machining efficiency. By reducing cutting temperatures, cutting fluids minimize tool wear, extend tool lifespan, and improve the smoothness of the machined surface [7, 8]. These fluids typically consist of a base oil, which can be derived from mineral, synthetic, or vegetable sources. Mineral oil-based cutting fluids, which are extracted from petroleum, account for approximately 85% of global usage [9, 10].