Deep hole processing is a highly specialized machining technology. Modern deep hole processing requires the use of special deep hole tools (such as gun drills, internal chip removal deep hole drills, nesting drills, etc.) and deep hole machine tools. Processing requires the use of a large amount of high-pressure cutting oil to achieve cooling, lubrication and chip removal, in order to extend the service life of the tool and improve the processing quality of the parts. However, the use of cutting fluid also brings many negative effects, such as environmental pollution, health hazards to operators, and an increase in the total processing cost.
As people pay more attention to environmental protection, the formulation and implementation of environmental protection regulations have become more stringent, making manufacturing companies face greater cost pressure. Therefore, green cutting technology has become the focus and focus of contemporary machinery manufacturing. Quasi-dry processing has become the most important development direction of deep hole processing technology. Minimum quantity lubrication technology is a new green cutting technology. It uses compressed air to atomize special lubricating oil, and the compressed air brings the oil mist to the cutting area to form an oil film, thereby protecting the tool and reducing friction. At the same time, the compressed air will effectively cool the cutting area. Minimum quantity lubrication technology is cheap, pollution-free, pollution-free and does not require recycling. Therefore, in-depth research on the application of minimum quantity lubrication technology in deep hole drilling has important theoretical significance and practical value.
In deep hole drilling with internal chip removal,
minimum quantity lubrication cutting technology is combined with deep hole machining technology, and oil mist lubrication is used to achieve chip removal and tool cooling in deep hole drilling. , lubrication, realizing quasi-dry deep hole processing. This method can save energy, reduce production costs, reduce environmental pollution, and has good economic and social benefits.
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