It studied the improving effect of preloading on rigidity and the load distribution of balls.
文章在对滚动直线导轨承受负荷时的受力情况进行分析的基础上,研究了预加负荷对钢球刚性的提高,钢球负荷分布状态的改善。
Study on the effect of pre-tension on performance of polyester/cotton/silk Sirofil composite yarn;
预加张力对涤/棉/丝Sirofil复合纱性能的影响研究
The paper studied how pre-tension affect single-strand breaking strength,through a series of comparision experiment of different pre-tension.
文章通过一组不同的预加张力的比对试验,探讨预加张力对单纱断裂强力的影响。
Experimental research on the flexural behavior of preloaded RC beams with externally bonded GFRP sheets;
玻璃纤维布加固有预加载钢筋混凝土梁的受弯试验研究
Furthermore several of their preload techniques were proposed to improve their load capability and stiffness.
本文介绍了静压气浮导轨的设计方法,开发了止推气浮轴承设计软件;为了提高气浮导轨的承载能力和刚度,总结提出了几种适用于不同结构气浮导轨的预加载技术;运用气浮轴承设计系统和适合的预加载技术,研制了能满足大惯量、高速度、高精度要求的H型直线电机气浮工作台。
The static experimental results show that the preload sliders developed .
利用有限元法设计了气浮导轨,分析了气膜压力场的分布情况,采用预加载技术提高气浮导轨的承载能力和刚度等性能。
Then a conclusion is drawn: The compound deformation with bending and expanding happens in the process of hole flanging, and five cases of diameters of the workpiece's pre-holes and three cases of those types are adopted in the simulations, the diameter and type of the pre-holes optimized are respectively 40mm (average diameter) and reverse-conical.
研究表明,该翻孔成形具有弯曲与扩孔的复合变形特点,并通过对5种不同预加工孔径及3种不同孔型下翻孔过程的模拟分析,得出优化的孔径尺寸及孔型为平均直径40mm的反锥型孔。
Influence of the workpiece s pre-hole diameters and passes on thick-wall cylinders hole flanging is investigated by experiment and numerical simulation.
采用实验研究和数值模拟的方法,分析了工件预加工孔径和孔型参数对厚壁筒体翻孔工艺的影响。
