查询词典 gear hob

Moreover, they are not suitable for gears manufactured by different cutting tools. Based on gear generation principle, a new method to establish accurate 3D solid model of cylindrical gear by mechanism function of Pro/E is proposed. Taking the manufacture of spur-gear with pre-grinding hob as an example, this method is introduced in details and the accurate 3D solid model is set up.

以范成法加工齿轮的原理为理论基础，介绍在Pro/E平台下利用其机构模块的"轨迹曲线"功能精确构建各种刀具加工出来的渐开线圆柱齿轮齿廓曲线的方法，并以磨前滚刀加工直齿圆柱齿轮为例，详细介绍该方法的使用步骤，构建其精确的三维实体模型。

Figures 5 and 6 are the surface separation topologies of worm gear cut by hob cutter with pitch diameters of 74 and 73.6 mm, respectively.

图5和图6是表面分离拓扑减少蜗轮滚刀刀与音高直径74和七十三点六毫米分别。

In this paper,a method of optimum profile design of cylindrical grinding gear hob is given.

本文提出了圆磨齿轮滚刀的优化造形法。

Based on the MDT of AUTOCAD the 3-D solid CAD software for the gear hob has been designed in this paper.

介绍了在MDT上实现齿轮滚刀的三维实体的计算机辅助设计的方法。

This paper explains the design analysis and its practical application by using gear hob to processing worm gear .

叙述了用齿轮滚刀加工蜗轮的设计及其实际应用。

The traditional way to manufacture the gashes of gear hob cutter is to mill it one by one, but the efficiency is quite low. With the proposed manufacturing process, the gashes could be generated by another specially designed hob cutter so that the manufacturing efficiency could be improved 2~3 times.

滚齿刀容屑槽之传统加工方式，系利用成型铣刀逐槽加工而成，除加工时程冗长外，铣制ZK 型蜗杆之缺点亦无法避免，本文再次利用滚制方式形成容屑槽，并解决传统制程上述之缺失。

Because of the especial requirement of gear form of preshaving hob The design of preshaving hob is more comples than common gear hob.The design method is inefficience,takes much time,and requires highly of designers.

拉刀也是机械加工中常用的一种刀具，拉削可加工内表面（如各种型孔、键槽、花键孔等）和外表面（如平面、半圆弧面和组合表面等）拉削加工效率高，精度高。

An approximate worm wheel hobbing method is derived from the study of the engagement, module and pressure angle of worm and straight gear in the case of no worm wheel hob and then an adjustment method is determined for correct engagement between worm wheel and worm with standard cutting hob, which is more valuable in practice.

在没有涡轮滚刀的情况下，通过研究涡轮蜗杆与圆柱齿轮的啮合条件，以及涡轮蜗杆与圆柱齿轮间模数、压力角的关系，推导出一种使用标准齿轮滚刀近似加工蜗轮的方法。

Based on the research on the meshing between hobs and gears the optimum proflie design method of the pre-gringding hob is given,and the optimum profile of the pre-gringding hob used to cut the quasi high-speed locomotive traction gear has been designed according to the application of the traction and their proceeding technolog.

通过对刀齿啮合关系的研究，提出了磨前滚刀齿形优化设计方法，针对准高速机车牵引齿轮的应用和加工工艺特点，对准高速机车牵引齿轮磨前滚刀齿形进行了优化设计。

A new method to machine straight bevel gear on gear-hobbing machine with a new type of cutting tool, which is named variable modulus hob, is described in this paper.

介绍了1种新型刀具&变模数滚刀&在滚齿机上加工圆锥直齿轮的新方法。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。