经加工试验证明了该表面粗糙度预测模型的有效性，从而实现加工前在确定切削条件下预测和控制表面粗糙度的目的。
It proves that this prediction model is effective by machining experiments. Using prediction model can predict and control surface roughness under certain condition.
本文对超越性现象产生的条件、规律进行了试验和理论分析，丰富了超声波振动切削理论。
In this paper, the experiments and theoretical analyses are made about the occurring conditions and regularities of this phenomenon, which enriches the ultrasonic vibration cutting theory.
试验中发现了若干表现密度与切削阻力关系分散性的某些特点的现象。
Some phenomena were noted during the tests indicating certain characteristics of the scatter of the density-cutting resistance relation.
攻丝扭矩模拟评定试验方法为真正的切削试验，与切削加工的相关性较强。
The tapping torque test is a real cutting test, it has a good relativity with cutting process.
开发了一个针对铣削加工的切削力预测软件系统，通过铣削试验验证了该系统的正确性。
A software system is also developed to predict the milling forces and a serial of milling tests is performed to validate the software system.
通过切削试验发现，切屑宽度直接影响切屑横向卷曲半径，进而影响切屑折断性。
It builts basis for the prediction of the radius of curvature of cross-curling chips and chips break natur.
定量分析了间断切削过程中的空切角度、空切时间对断屑的影响，并通过试验验证了用空切理论分析断屑的正确性。
The influence of air cutting angle and air cutting time to chip breakage is studied quantitatively. The correctness of air cutting theory is verified by the experiments.
定量分析了间断切削过程中的空切角度、空切时间对断屑的影响，并通过试验验证了用空切理论分析断屑的正确性。
The influence of air cutting angle and air cutting time to chip breakage is studied quantitatively. The correctness of air cutting theory is verified by the experiments.
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