轴箱

Calculates the coordinates of the spindle and drive shaft and checking the center distance, determined department spindle must use dislodges the gear.

根据柴油机齿轮室盖的结构特点、加工部位、尺寸精度、表面粗糙度及生产率等要求，确定该机床为单工位卧式组合机床；为确保加工精度，采用&一面两销&的定位方案；为实现无级调速，安全可靠，选择液压滑台；根据零件的大小及被加工孔的位置确定主轴箱的轮廓尺寸；由加工工艺选择滚珠轴承主轴，通过计算扭矩确定主轴和传动轴的直径；齿轮的模数是通过类比法确定；齿轮齿数和中间传动轴的位置是由&计算、作图和多次试凑&相结合的办法确定；计算主轴、传动轴的坐标并进行中心距验算，确定部分轴上需采用变位齿轮；轴上的齿轮套、键等零件按轴号选取相应的标准件。

Depending of the used attachment and the Z-travel, the deflection iscompensated by swivelling the headstock.

根据所采用的附件头和 Z 轴行程情况，采用转动主轴箱的方法来补偿滑枕的偏斜量。

The focal point of the many axle case designing, and it each choice and distribution of axle is the most key, so calculate every axle power, torsion wanted design each size of axle rational when working.

多轴箱中各个轴的选择和分布是最为关键的也是难点之一，这要根据被加工零件的结构特点及所要加工孔的情况合理地布置各个主轴及传动轴。

The thesis designs that PLC controls four servo electric motors using Aimosheng EC20H , the rocker arm realizing beam drill goes up and down , the rocker arm rotates , the main spindle box slides , the chief axis moves forward to give axial four action , PLCs the motion controlling one frequency conversion electric motor at the same time realizing the machine tool host moving the revolution being a chief axis.

本论文设计使用艾默生EC20H PLC控制四台伺服电机，实现摇臂钻床的摇臂升降、摇臂旋转、主轴箱滑动、主轴进给四个轴向的动作，PLC同时控制一台变频电机实现机床的主运动即主轴的旋转运动。

The headstock is mounted in a fixed position on the inner ways at one end of the lathe bed.

主轴箱安装在床身一端内导轨的固定位置上。

It established the electricity eqoipment,motive box,depending the mold device,bed body,singn pillar and sign pillar base etc.a series of equipments.

总体设计中设置了电气装置、动力箱、主轴箱、靠模装置、床身、立柱、立柱底座等一系列装置，并且满足结构合理、简单、实用的要求。

Main content including transfer and unit machine characteristic, development present situation and its direction, mill the Red East -75 tractors gear boxes body localization plane engine bed mechanism, headstock and this transfer and unit machine overall plan design, and to this engine bed unit clamp design.

主要内容包括组合机床的特点、发展现状及其方向，铣东方红%26mdash；75拖拉机变速箱体定位平面机床的机械结构、主轴箱及该组合机床总体方案设计，并对该机床专用夹具设计。

The first part is overall design of SJ-180 tractor rear cross-body finish machining boring aggregate machine tool including brief introduction of aggregate machine tool, design steps of live axle axlebox,selection of tools and cutting dosage for aggregate machine tool.

机床部分为松江180拖拉机后桥壳精镗组合机床总体设计。这部分包含了组合机床的简介，主轴箱的设计步骤，刀具和切削用量的选择及组合机床的总体设计。

Its executive body has two: One is equipped with four-position rotary table of the workpiece, is equipped with two dedicated motor-driven three of the spindle box cutter.

它的执行机构有两个：一是装有四工位工件的回转工作台，二是装有专用电动机带动的三把刀具的主轴箱。

Combination machine tools of future development will be more adopts stepless motor and transmission of ball screw, etc, to simplify structure and shorten the production beat, Using digital control system and spindle box, jig automatic replacement system, in order to improve the process adjustability, Flexible manufacturing systems and into.

组合机床未来的发展将更多的采用调速电动机和滚珠丝杠等传动，以简化结构、缩短生产节拍；采用数字控制系统和主轴箱、夹具自动更换系统，以提高工艺可调性；以及纳入柔性制造系统等。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。