The convection heat transfer coefficient of coolant within the grinding zone has been estimated using hydrodynamic and thermal modeling.
磨削区冷却液的热对流系数已由流体动力学和传热学模型估算得到。
The methods and theories of cooling and lubrication with gas jet in metal cutting are discussed, and the present status of study on the green cutting technologies, in which the gas, such as air, nitrogen, carbon dioxide, water vapor and so on, is employed as coolant and lubricant,is introduced.
论述了金属切削加工过程中采用气体射流冷却润滑的方法和理论基础,介绍了用空气、氮气、二氧化碳气及水蒸汽等气体作冷却润滑剂的绿色切削技术的研究现状。
