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In conventional machining , cutting fluids heavy use of environmental pollution and harm to human body and more serious, less no coolant machining technology has become a green manufacturing cutting a trend . In this paper, at home and abroad with little or no coolant machining technology , based on the implementation of the less no coolant machining technology way to do some research . This paper analyzes the dry cutting , high speed cutting , vibration cutting , cutting and cold cutting auxiliary heating technology with little or no coolant machining characteristics, the cutting mechanism and implementation methods, in the cutting process , try to use a very small amount of cutting fluid, not even using cutting fluid, can reduce the cutting zone temperature , enhanced lubrication between the tool and the workpiece , and to ensure the smooth cutting . Be processed according to parts of the process required to select one or more suitable less no coolant machining method to integrate applications , according to the material properties of the object to be processed choose a suitable tool , select the appropriate cutting parameters and the necessary auxiliary equipment, to achieve green machining. In this paper, nuclear power plant XX valve closing valve body sealing surface layer of the cutting process , improved surfacing layer cutting process, using less coolant machining method without its cutting comparison with conventional machining in processing efficiency and environmental pollution have greatly improved .
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