齿形

In this paper we derive the. curve equation of tooth profile on the basis of its meshing principle and discuss the necessity and possibility of replacing the equidistant curve which in the circular section of lang arc external pendulum curve by circular arc.

本文从其啮合原理出发，导出齿廊曲线方程，论述了以圆弧替代长幅外摆线环形部分等距曲线的必要性和可能性，提出圆弧齿形替代要求，运用最优化方法，给出最优设计方案。

The key to the formula derivation is solving an equation of conjugate-contact condition.

明确了盘形刀具齿形计算的关键是共轭接触条件方程的求解，从而进一步论述了圆弧齿轮盘形刀具共轭条件方程求解的新方法。

In addition, square, diamond, triangle, profile, dovetail-shaped, b form, c-shaped, are generally only used in high pressure valves.

此外，还有方形、菱形、三角形、齿形、燕尾形、b形、c形等，一般只在高中压阀门中使用。

Depending on the method of manufacture, the gear may be of the continuous-tooth herringbone variety or a double-helical gear with a space between the two halves to permit the cutting tool to run out.

推力问题可以通过在同一坯见切削两组斜齿来克服。根据制造方法的不同，齿轮可以是连续人字形的，或者在两列斜齿之间留一间隙的双斜齿形的，以便切削刀具通过。

This essay mainly explains that the involutes of grind gear on the bottom of the tooth space is not deep enough is caused by meshing interference.

阐述了磨齿齿轮在齿槽根部齿形渐开线不够深是啮合产生干涉的原因。

Based on the 3D solid model, the changing trend of spiral angle and pressure angle of pitch cone, the thickness-changing trend of face and pitch cone can be analyzed. In addition, the method of cutting tooth on general NC machining center and the measurement of tooth flank geometry on 3D CMM are conducted.

根据锥齿轮切齿仿真所获得的三维几何模型，本文还研究了在通用四轴联动加工中心上加工锥齿轮齿形的方法和在通用三坐标测量机上进行锥齿轮齿面几何形状误差测量及数据处理方法。

According to the principles of tooth meshing and manufacturing helicoi ds, a mathematics model is constructed to reflect the manufacture process of nut , and the formula of the grinding wheel section is developed. The parameters of the section are obtained through numeral arithmetic; moreover the parameters of the dresser are worked out. Based on these work, the solid model of the ball scr ew nut, grinding wheel and tooth dresser are developed in the Pro/E software, wh at's more, the process of the dressing...

根据螺旋面加工原理、齿形啮合原理及回转面砂轮加工螺母工艺建立了相应的数学模型，并推导出砂轮截形的计算公式；采用数值计算方法求解砂轮截形参数，进一步得到修整器靠模板的参数；在此基础上，利用Pro/E软件对大导程滚珠丝杠螺母、砂轮和砂轮修整器进行了实体建模，并对砂轮的修整过程和螺母的加工过程进行了运动仿真，有效地验证了砂轮截形的计算结果。

By the use of Circling cluster and Envlopment theory and flat surface sit-mark transformation theory, the chain wheel tooth equation of roller chain at high speed to match conjugage engagement is deduced.Establishing chain speed equation of roller chain at high speed,based on the analysis of the speed curves between roller chain at high speed and common roller chain,good drive of roller chain at high speed is verificated theoretically.By a example that move distance from transverse vibration between roller chain at high speed and common roller chain is contrasted,the accuracy of those theories that the paper brings up and higher functions of roller chain at high speed is proved.Finally, Establishing conjugage engagement line equation of roller chain at high speed and analyzing the complete engagement zone, the chain wheel tooth curve equation is studied at a higher degree. At the same time,the lack's place of the research result is pointed out.

依据高速滚子链设计要求与H_y-V_0齿形链的研究，阐述了滚子链传动实现准共轭啮合理论可能性；利用圆族包络法结合平面坐标变换理论推导出了满足共轭啮合的高速滚子链的链轮齿廓曲线；建立起高速滚子链链速方程，通过对高速滚子链与普通滚子链链速曲线的对比分析，从理论上验证了高速滚子链具有良好的传动性能；最后，建立起高速滚子链共轭啮合线方程，对其整个啮合区间进行了分析，进一步研究了链轮齿廓曲线方程，确定了主要参数的设计方法的问题，并同时指出了不足之处。

In addition, gear grinding tool is simplier than gear shaving tool.

相比较于剃齿，磨齿可用于加工淬硬齿轮，特别是对于齿形精度要求很高的标准齿轮、精密齿轮和各种齿轮刀具的精加工。

The study confirms the coordinates measurement for gear profile and longitudinal and the absolute measurement for pitch on the base of the new type complete loop-locked CNC form gear grinding machine YK73125 and the working principle of side-type tester.

本研究以新型全闭环数控成形砂轮磨齿机YK73125为基础，依据旁置式仪器的工作原理，确定了齿轮的齿形、齿向的坐标测量法及周节的绝对测量法，并在此基础上开发了专用的随机测量系统。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。