Tungsten Carbide Cutting Tools Cutting Fluid Lubrication Mechanism

Tungsten carbide cutting tools in the cutting process, the lubricating oil is in common between the constantly moving constant friction surface, although the pressure is sometimes very large, very easy to form a lubricating film cutting fluid. Cutting fluid use state is different. Fresh surface formed by the time the cutting fluid remains in contact with the workpiece, and the machined surface has been in a state of elastic deformation, to be under great pressure between the tungsten carbide cutting tools and the workpiece surface to be processed, this pressure than the average Many great pressure to produce friction carbide insert state.

After the metal-cutting machining using the cutting fluid, tungsten carbide cutting tools and the workpiece, the chip is formed between the lubricating film, the friction coefficient can be reduced, to reduce friction. Cutting the majority belong to the boundary friction friction. In machining, tungsten carbide cutting tools, workpiece and cutting fluids will be some elements from physical and chemical adsorption, chemical reactions, if they meet certain high-temperature, high-pressure conditions. Cutting fluid pumping action by immersing the contact surface tungsten carbide cutting stools and workpiece from the side, forming a lubricating film of low shear strength.

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