Regardless of the metal cutting process, tool performance, cutting force, and lubrication are factors that affect cutting efficiency and tool durability. Lubrication is used between “tool- and workpiece†and “tool-chip†in machining. Provides a good lubricant film that inhibits temperature rise, reduces tool wear, and prevents sticking.
Casting lubrication of conventional cutting fluids and cutting oils cannot effectively produce oil film on the friction surface. Therefore, the lubrication effect cannot be fully exerted, and the pouring cooling is easy to form a thermal shock to the tool, resulting in a decrease in tool durability. The key to micro-lubrication is that ultra-fine oil mist particles are easily penetrated in the cutting friction zone and adhere to form an oil film.
The international mainstream products of micro-lubrication technology use a mist generator to generate micron-sized oil mist particles and compressed air to form a mixed flow and high-speed injection to the cutting friction region to form a lubricating oil film.
Multi-phase flow micro-lubrication: application of direction tapping, sawing, guide rails, screw rods, wire ropes, etc., as well as the traditional equipment of the car, milling, etc. invested in lower transformation projects.
The oil-gas two-phase flow or the oil-gas-water three-phase flow is a form in which compressed air tears the oil droplets into an oil mist at the outlet end of the external nozzle, so that the oil mist particles formed are large and the permeability is poor, and A reliable lubricating oil film cannot be formed sufficiently in the cutting friction zone. The addition of water solves the problem that the chips, the workpiece, and the cutter body after the friction deformation are cooled, and the heat of cutting during the friction cannot be effectively suppressed. The lubrication condition is not effectively improved in the case of multi-phase flow, and the harmful thermal shock to the tool life continues to exist, which is uncertain for production.
At present, the mainstream cutting fluid replacement scheme is MQL micro-lubrication technology (the oil mist generator generates micron-sized oil mist particles and compressed air to form a mixed flow and high-speed injection to the cutting friction region to form a lubricating oil film), and the production line has been put into production. technology.
Casting lubrication of conventional cutting fluids and cutting oils cannot effectively produce oil film on the friction surface. Therefore, the lubrication effect cannot be fully exerted, and the pouring cooling is easy to form a thermal shock to the tool, resulting in a decrease in tool durability. The key to micro-lubrication is that ultra-fine oil mist particles are easily penetrated in the cutting friction zone and adhere to form an oil film.
The international mainstream products of micro-lubrication technology use a mist generator to generate micron-sized oil mist particles and compressed air to form a mixed flow and high-speed injection to the cutting friction region to form a lubricating oil film.
Multi-phase flow micro-lubrication: application of direction tapping, sawing, guide rails, screw rods, wire ropes, etc., as well as the traditional equipment of the car, milling, etc. invested in lower transformation projects.
The oil-gas two-phase flow or the oil-gas-water three-phase flow is a form in which compressed air tears the oil droplets into an oil mist at the outlet end of the external nozzle, so that the oil mist particles formed are large and the permeability is poor, and A reliable lubricating oil film cannot be formed sufficiently in the cutting friction zone. The addition of water solves the problem that the chips, the workpiece, and the cutter body after the friction deformation are cooled, and the heat of cutting during the friction cannot be effectively suppressed. The lubrication condition is not effectively improved in the case of multi-phase flow, and the harmful thermal shock to the tool life continues to exist, which is uncertain for production.
At present, the mainstream cutting fluid replacement scheme is MQL micro-lubrication technology (the oil mist generator generates micron-sized oil mist particles and compressed air to form a mixed flow and high-speed injection to the cutting friction region to form a lubricating oil film), and the production line has been put into production. technology.
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