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.
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.
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