分度头

The spiral angle of graduated circle was rough estimated by measuring the addendum circle diameter and modified on milling machine.

介绍了精确测绘单一斜齿圆柱齿轮齿形参数的简便方法，即测量公法线长度计算基圆齿距从而查表确定模数和压力角；测量齿顶圆直径估算分度圆螺旋角，用分度头在铣床上修正分度圆螺旋角，并进行误差分析。

In dividing process, 6 accelerate and decelerate control law is presented.

分度头的分度过程的控制策略是实现高效、高精度分度的关键技术。

However, no method of assessing roundness and cylindricity, which not only meets the definitions of the national standards but also are the rapid and concision properties possessed, has been found.

本文着眼于数字分度头的虚拟仪器化设计，以及轴类零件的形状误差测量，结合对传统数字分度头的改造项目，提出了一种虚拟光栅数显系统的原理。

And the experiment results obtained from the 2 high precision CNC dividing head are shown.

给出了以该方法实现的2高精度数控分度头的分度实验结果。

5 DIVIDING HEAD A dividing head is one of the most important attachments of the milling machine and is almost indispensable.

7.5分度头 A分度头是其中一个铣床的最重要的附件并且是几乎不可缺少的。

Based on analyzing various CNC dividing head and manually controlled high precision optic dividing head, a new kind of high efficiency, high precision CNC dividing head for machining is developed in this thesis.

在分析了目前各种数控分度头、高精度手动光学分度头的基础上，针对加工用数控分度头的特。。。

Second, small precision machinery: Mo Daoji Universal, Universal dividing head, Wang Li-degree dual-use disc, chamfering machine, Dingzhen cutting machine, grinding machine, grinding machine needles, salt-grinding machine, salt-forming, Universal wheel like that.

二、小型精密机械：万能磨刀机、万能分度头、横立两用分度盘、倒角机、顶针切断机、刃磨机、磨针机、冲子研磨机、冲子成型器、万能砂轮修正器等。

Universal indexing head; universal dividing head

主轴可以倾斜，可进行直接、间接和差动分度的分度头。

For professional research and development, production and small-scale dedicated Universal Precision Grinding Machine, CNC Machine Tool Products Center of the export-oriented manufacturing enterprises, and products are mainly have Grinding, Universal Grinding, milling cutter grinding machine, graver, drill, lathe tool grinder, universal tool grinder and accessories, Universal dividing head, rotary table, dividing plates, various types of chamfering machine, lathe grinder, cutting machine, such as a thimble.

东莞市巩达精密机械有限公司为专业研制开发生产万能磨刀机和小型专用精密机床、数控中心机床工具产品的出口型制造企业，产品主要有磨刀机，万能磨刀机，铣刀研磨机，雕刻刀、钻头、车刀研磨机，万能工具磨床及附件，万能分度头，回转工作台，分度盘，各类倒角机，车床研磨器，顶针切断机等。

The universal index head is provided at 24 positions so that any particular angle of shape can be obtained, free 3600 or 100 rotation is allowed for grinding End Mills、Twist Drill、Lathe Tools, only replace the attachment to the index head without any complex setup.

磨削分度头可在24种位置下操作以便于磨削任何角度和形状，只需替换分度头上的附件而不需任何复杂的步骤就可进行立铣刀、雕刻刀、钻头、车刀、球头立铣刀的磨削。

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。