According to the resonance of mechanical machining,the relationship between the spindle speed of lathe and the surface quality of the workpieces was studied on turning a long and thin axis on the lathe.
从机械加工中共振的角度出发,研究细长轴车削加工时车床主轴转速与工件表面质量的关系;并以CA6140车床为例,讨论刚性主轴的临界转速,提出细长轴车削加工时车床主轴的最佳转速范围,避开共振区,从而提高工件的加工精度,保证工件的表面质量。
The calculating formulas about the limitedcutting width blim versus the spindle speed forregenerative chatter system are derived.
本文推导了再生型切削颤振系统极限切削宽度随机床主轴转速变化的理论计算公式,提出了机床切削系统稳定性极限预测方法,并就试验系统的切削稳定性极限进行了预测,实测结果表明,试验结果与预测结果基本相符。
The limit cutting depth of the machining system with optimal controlling spindle speed is studied by experiments.
对优控主轴转速系统的极限切削深度进行了试验考证。
The axis intersection of three axis turntable can be worked out by applying harmonic ana.
用千分表测出三轴转台的竖直轴分别位于 0°和 180°时两水平轴的轴线位移 ,可计算出水平轴与竖直轴的轴线相交度。
The Simulink was used on modeling the three axis turntable for SINS testing.
基于Simulink仿真环境建立了捷联惯导系统三轴转台的仿真模型,模拟转台的角振动产生圆锥运动。
Design of servo control system for three-axis turntable based on PMAC;
基于PMAC的三轴转台的伺服系统设计
Assembly and kinematics simulation of three-axis turntable based on Pro/E;
基于PRO/E的三轴转台装配与运动学仿真
Stress analysis and modeling of the frames of three-axis turntable;
三轴转台外框的建模和应力分析
First,the design axle steering angle was obtained from the simulation,then ADAMS/Insight was used to reduce the axle steering angle to zero,to optimize variable rear suspension links hardpoints,and to improve vehicle operational stability.
先求出影响整车操纵稳定性的后桥轴转向角的初始值,然后利用ADAMS软件Insight模块,以轴转向角趋近于0为目标,以后悬架杆件控制点的坐标为变量进行优化设计,得到控制点的坐标值,使整车操纵稳定性得到改善。