According to the relative position of the rotor of the screw motor and the milling cutter, the coordinates of the helical tooth form and the cutter are-established.
根据螺杆钻具转子加工时与铣刀的相对位置，建立空间螺旋齿面坐标系和铣刀坐标系。
The torque is partitioned on both helical tooth, this brings the advantage of a lower strain on the single teeth and a higher stiffness as well as a more compact design of the gearbox.
扭矩被分配在人字齿的两边，带来的优势是单边齿轮上小的应力及更高的刚性，以及使齿轮箱有更紧凑的设计。
The NC machining method by using a simple milling tooth device and the forming principle of bevel helical milling cutters are introduced.
介绍了在普通数控铣床上利用简易铣齿装置加工锥形螺旋铣刀的方法及成形原理。
The helical plate tooth threshing cylinder, the top thresh fan and the undershot fan are connected and driven by a vertical shaft.
该机以一根立轴联接螺旋板齿脱粒滚筒、上排杂风扇和下轴流风扇，并驱动其旋转。
It is a burring equipment of machining gears, be the same with the tooth parts of spur gears, helical gears, bevel gears, chain wheel and so on.
齿轮倒棱机是对齿轮加工过程中形成的毛刺进行处理的设备。适用于加工各种直齿、斜齿、伞齿、链轮等齿形零件。
A quadratic model of predicting helical milling force was researched. The effects of spindle speed, feed per tooth, and axial and radial depth of cut were analyzed.
通过统计学中的响应曲面法建立了螺旋铣削过程中切削力的二阶模型，并分析了主轴转速、每齿进给量、轴向和径向切削深度等因素对切削力的影响。
As in the case of helical gears, spiral bevel gears give a much smoother tooth action than straight bevel gears, and hence are useful where high speed are encountered.
在案件的螺旋齿轮，螺旋锥齿轮给予一个更平滑齿行动的机率远高于直锥齿轮，因而是有益的高速，都遇到。
The new tooth surface can be prolonged by the normal profile of the internal toroidal surface, or replaced by an equal pitch helical surface.
其二为一种修整的线接触，展成的等螺距齿面与理论轨迹曲面沿某一空间曲线近似相切。
Instead, and as their name implies, the teeth on a helical gear are inclined at an Angle so that each tooth wraps on the gear's cylinder in the shape of a shallow helix.
反之，并作为其称号所暗示地，牙齿上地螺旋齿轮倾向于一个角度，使每一个齿完毕对齿轮地圆筒外形地浅螺旋。
According to point coordinates on the tooth surface calculated theoretically and using FORTRAN, this paper compiles the programs and builds 3d finite element model of the helical gear.
运用FORTRAN语言，并根据理论计算得到齿面点坐标，编制程序，建立斜齿轮三维有限元分析模型。
CONCLUSION: The tooth pulp diseases could be accurately diagnosed by applying helical CT and its 3D reconstrution methods, which could improve the diagnosis and treatment of complex root canal.
结论：应用螺旋CT及其三维成像技术，可对复杂的矸髓系统病变进行准确诊断，有效提高临床医生对复杂髓腔系统病变的诊断和治疗。
CONCLUSION: The tooth pulp diseases could be accurately diagnosed by applying helical CT and its 3D reconstrution methods, which could improve the diagnosis and treatment of complex root canal.
结论：应用螺旋CT及其三维成像技术，可对复杂的矸髓系统病变进行准确诊断，有效提高临床医生对复杂髓腔系统病变的诊断和治疗。
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