The tapping torque test is a real cutting test, it has a good relativity with cutting process.
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。
They think: reduce tapping torque and axial force of the best frequency because the terms vary.
他们认为：降低攻丝扭矩和轴向力的最佳频率因条件而异。
The relationship between the dynamic tapping torque and the tap wear is studied through the experiments.
研究了振动攻丝动态攻丝扭矩与丝锥磨损的关系；
The analysis indicates that tapping torque increases as net cutting time ratio increases, where net cutting time ratio influences the tapping torque more significantly.
结果表明，攻丝扭矩随净切削时间比的增加而增大，且对攻丝扭矩的影响最显著。
The model of artificial neural network was established, which express the intricate relation of processing parameters and tapping torque in vibration tapping in titanium alloy.
基于神经网络方法，建立钛合金振动攻丝中工艺参数对攻丝扭矩影响的网络模型。
Research result showed that the vibration-tapping torque signal could be estimated accurately and validly by this strategy and the clear feature spectrum line was obtained too.
结果表明，该方法能够准确、有效地估计出振动攻丝扭信号，获得清晰的特征谱线。
In addition, they believe, for tapping there exists a critical cutting thickness (thread depth) value of the critical cutting thickness within the tapping can reduce the tapping torque.
此外，他们认为，对于攻丝存在一个临界切削厚度(螺纹深度)值，在临界切削厚度的范围内，攻丝能降低攻丝扭矩。
Theoretic analysis indicates that the impact effect and stress waves of tap on the workpiece result in extended micro cracks, leading to lower plastic deformation and a much lower tapping torque.
冲击攻丝作为一种新型的内螺纹加工技术，在解决小直径薄板内螺纹加工方面发挥着重要的作用，并具有良好的应用前景。
These ways are valuable to decrease the torque of vibratory tapping, improve the quality of tapping and promote the practise use of vibratory tapping.
这些方法对减小攻丝扭矩、提高内螺纹质量、改善攻丝效果、促进振动攻丝的实际应用具有一定理论和实践意义。
Accordingly, the formula can calculate the minimum torque to get the best ironing times, which is tapping the cutting parameters to guide the choice of a certain significance.
据此公式可以计算要获得最小扭矩的最佳熨压次数，这对指导攻丝中切削参数的选择有一定的指导意义。
Frequency of torque signal is consistent with that of force vibration. Amplitudes of radial pulsation signal increases as tapping continues.
扭矩信号的频率与外加振动频率相一致，径向跳动信号随攻丝过程的持续进行逐渐变大。
This paper described the characteristics of cold form tapping of 300m steel internal threads, analyzed its mechanism and studied through experiments the torque variation during cold form tapping.
本文介绍了300M钢内螺纹冷挤压成形特点，分析了冷挤压加工机理，并对冷挤压加工过程中扭矩变化规律进行了实验研究。
Finally, two methods of laboratory simulation tests on universal machine tools and the tapping-torque test method are introd...
介绍了两种在通用机床上进行的模拟切削试验方法以及攻丝扭矩模拟评定试验机。
Finally, two methods of laboratory simulation tests on universal machine tools and the tapping-torque test method are introd...
介绍了两种在通用机床上进行的模拟切削试验方法以及攻丝扭矩模拟评定试验机。
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