Based on the machining principle analysis of the nature ruled surfaces, the technologies of NC programming for intricate nature ruled surfaces by wire-EDM were studied, including the profile marking standard, the algorithm of seeking corresponding points, equal-error synchro-linear approximation of profiles and the method to calculate the maximum inclining angle of ruling.
基于对直纹面加工原理的分析 ,研究了复杂直纹面电火花线切割加工数控编程的相关技术 :轨迹标注原则、对应点的求取算法、对应曲线的等误差同步线性逼近方法以及电极丝最大倾角的计算方法 。
In this paper, by the motion analysis of four-axis wire-Electric Discharge Machining (WEDM) machine tools, it is concluded that, during the machining of intricate ruled surfaces only with linear boundary curves, the maximum inclining angle of the wire and the maximum displacements of the machining table and the wire guiding head occur on the vertices of the boundary lines.
通过分析四轴联动电火花线切割 (WEDM )数控机床的运动 ,发现在复杂直纹面的WEDM加工中 ,电极丝的最大倾角、上丝架和工作台的最大行程均发生在上下轮廓对应直线段的端点处 。
Carry out 15°port and starboard turning test with main engine at 100% MCR, record its steady turning diameter, time and maximum heeling angle.
在主机满负荷的情况下作左及右15°回转试验，记录回转直径、时间及最大横倾角。
The main effect affected by material feature is lateral displacement, then the loading height and slant angle.
横向位移受物料形态影响最大 ,其次是装料高度和斜面倾角
Theoretical calculational methods of the big angle stability in rolling of ship in still water
静水中船舶大倾角横摇稳性的理论计算方法
The Best Calculation Principle of Retroversion Degrees of Retroversion Osteotomy
后倾角截骨术最佳后倾角的计算原理
When the tilt is modest, the poles are the coldest places on the planet.
当倾角不大时，两极是行星上最冷的地方。
partially knocked down
船舶在大风浪中过度横倾状态
The test method of maximum stable side-inclination for motorcycle and moped with three wheels
GB/T16708-1996三轮摩托车和三轮轻便摩托车最大侧倾稳定角试验方法
set at a sharp or high angle or slant.
角度大或者倾斜得厉害。
the optimal inclination angle is from 70° to 90°and the optimal charging ratio is around 50%;
最佳倾角为70°~90,°最佳充液率在50%左右;
The lowest sail on a mast of a square-rigged ship.
大横帆带有横帆装置的船桅杆的最低的帆
Application of inchined longwall and overhead mining technology in large tilt angle coal seam mining
倾斜长壁仰斜开采技术在大倾角煤层中的应用
"Courses, tops'ls, and flying-jib, sir."
“大横帆、中桅帆、三角帆，船长。”
Slab: rectangular in cross-section, with rounded corners and more than 5cm in thickness.
大板坯--横断面为矩形，圆角，厚度在5cm上。
Research and Extracting Status of Large Angle and Large Length Coal Seam in China
我国大倾角、大采长煤层开采研究现状
The greatest stress is found at the location on the cross section where V is the largest.
最大应力出现在横截面上v为最大的地方。
The bridge crosses the river at its narrowest point.
大桥在河的最狭处横跨河面.
The country's greatest forest stretches across Inner Mongolia and Heilongjiang.
我国最大的森林横跨内蒙古和黑龙江。
Analysis on maximum cross-range of space-to-ground kinetic weapons
天基对地打击动能武器最大横程分析