As previously mentioned, the axial feed is automatically generated when cutting a thread by means of the lead screw, which drives the carriage. 如前所述,当依靠驱动大拖板的丝杆切削螺纹时轴向进给是自动产生的。
The secondary swirls and axial velocity distribution result in the high shearing stress acting on the inner wall of the trachea and bifurcation, finally lead to injury on the inner wall. 气管和支气管内的二次涡流运动和轴向速度的分布使得气管支气管内壁受到的剪应力较大,内壁粘膜更容易受到损伤。
The utility model has the advantages that the verticality of the axial lead of the electric drill and a basal plane is good, and the machining precision of drilling holes is high. 该磁座钻的电钻轴心线与基面垂直度好,钻孔加工精度高,有很好的推广应用前景。
Axial lead cores made of magnetic oxides or iron powder Electrical Transport Properties of Oxide-based Ferromagnetic Semiconductor GB/T12798-1991磁性氧化物或铁粉制成的轴向引线磁芯氧化物铁磁性半导体电子输运特性的研究
Suitable axial thrust, better contact condition and smaller stress wave echo are achieved, which will lead to higher energy transfer rate. 第二是钎头和孔底岩石的接触状态,轴向推力合适,接触良好,应力波反射小,能量传递效率高;
The forging method with horizontal V-shaped anvil were used to control fibrous tissue flow direction, to improve the anisotropy of mechanical properties of axial forgings, to realize uniform forging, resulting in the unique effects that conventional forging methods can not lead to. 利用水平V形砧锻造法,通过有效控制锻件的纤维流向,改善轴类锻件力学性能的异向性,实现轴类锻件的等向锻造,创造普通锻造法无法达到的特殊锻造效果。
As for the limit bearing capacity formula of the concrete filled steel tube long column subjected to axial compress, we lead to the tangent modulus and the conception of metal material. 在推导钢管混凝土轴心受压长柱临界承载力公式时,论文利用材料的切线模量,分别推导了钢材和混凝土的切线模量公式。
In order to study the detonation property of flying plate detonator, the mechanism of initiation and procedure of detonation propagation were analyzed. The influences of charge density and charge mass on axial output of detonator were researched by lead disc test. 为了研究飞片式无起爆药电雷管的爆轰性能,分析了雷管起爆机理以及爆轰传递过程,通过铅板穿孔试验,研究了装药密度、装药药量对雷管轴向输出的影响。
Conclusion ① Lenses can induce axial growth and lead to myopia in young guinea pigs. 结论①凹透镜诱导可以引起幼豚鼠眼轴变长,发生明显轴性近视。
Our results indicate that the axial component of wavevector of perturbation can lead to a new instability. 结果表明,扰动波矢轴向分量的存在引起新的不稳定性。
The reason is that the neglect of axial deformation of each member has to lead the neglect of vertical vibration effect. 物理推理也可知其正确性,前法忽略了各杆件的轴向变形,即忽略了竖向振动特性。
Because of the point-contact sensing type of the instrument, too few numbers of the measuring section will cause under-sampling of axial information, and will lead to the instability and unreliability of the evaluation results. 由于受测量仪器自身接触式点位传感方式的限制,在实际测量中,截面个数过少导致轴向信息采样明显不足,从而引起评定结果的不可靠性和不确定性,易导致零件检验的误判。
The extrinsic performances of overweight vehicles are heavy axial load and high pressure of tires which usually lead to heavy contact stress. 而超重车辆的直观表现为重轴载和轮胎高胎压,由此,常产生高接触应力。
Buffeting forces are random, so axial forces of bolts change with time. And that can easily lead to fatigue failure. 抖振力是随机的,因此作用在连接件拉杆上的轴力是时变的,容易引起连接件的疲劳破坏。
When axial interval as small as to zero ( make rotor of upper class with stator of next class colliding), it will lead to accident wearing and tearing of the turbine stator with rotor and damage. 当下部轴向间隙小到为零(形成上一级涡轮的转子与下一级涡轮的定子相碰)时,将导致涡轮定子与转子出现事故性磨损而损坏。