文中给出了钻压和转速对预弯曲动力学防斜打快钻具组合防斜力的影响规律。
Also, it is described the influence of bit pressure and rotate speed on anti-deviation force of the BHA of anti-deviation and fast penetration with pre-bending dynamics.
对该模型施加适当的约束和载荷,通过预前共轭梯度法,计算得到了轴类零件在常见工况-弯曲和扭转载荷作用下的位移、应力、应变等力学特性。
Results of displacement, stress and strain of the shaft under the common loads of bend and torsion are obtained by Pre-condition conjugate gradient method.
方法:将碳纤维预浸织布埋入PM MA不同部位的基托内,测定并比较不同形式的碳纤维织布增强PMMA基托的弯曲强度和弹性模量。
Methods: the carbon -fiber cloth were embedded in diverse positions of the PMMA denture -base. The bending strength and the modulus of elasticity were determined and compared among them.
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