设计简介
摘 要
本文通过对减速器箱盖连接孔孔位的研究，为保证其面上各个孔的位置公差，结合对组合机床的特点，设计出了专门用来加工该型号减速器箱盖连接孔组合机床的夹具。
组合机床夹具设计时采用了“基准统一”的原则，以上一道加工工序的基准面为定位基准面，保证减速器箱盖连接孔各个孔位的形状、位置精度的同时又降低了减速器箱盖整体的累积误差。加紧力经计算可以保证加工要求。组合机床总体设计时采用了“三图一卡”的设计原则，既满足了加工要求，又保证了机床的相对生产率。
关键词：减速器箱盖 组合机床 夹具
ABSTRACT
Based on the study of position of connecting holes of reducer box cover, in order to ensure position tolerances of the each hole, combined with the characteristics of combination machine tool, this paper designs the fixture of combination machine tool for the connecting holes of reducer box cover.
The "Unification Datum" principle is taken into account the datum of the fixture is the one that last machining process used. In this way, the shape and position precision is ensured and reduces the accumulated error of the whole. To guarantee the processing requirements, the force is calculated. The design principle of "three charts and a card" of the overall design of machine tool is used, not only to meet the processing requirements, but also to ensure the relative productivity of the machine tool.
Keyword: Reducer box cover Combination machine tool Fixture
本文通过对减速器箱盖连接孔孔位的研究，为保证其面上各个孔的位置公差，结合对组合机床的特点，设计出了专门用来加工该型号减速器箱盖连接孔组合机床的夹具。
组合机床夹具设计时采用了“基准统一”的原则，以上一道加工工序的基准面为定位基准面，保证减速器箱盖连接孔各个孔位的形状、位置精度的同时又降低了减速器箱盖整体的累积误差。加紧力经计算可以保证加工要求。组合机床总体设计时采用了“三图一卡”的设计原则，既满足了加工要求，又保证了机床的相对生产率。
关键词：减速器箱盖 组合机床 夹具
ABSTRACT
Based on the study of position of connecting holes of reducer box cover, in order to ensure position tolerances of the each hole, combined with the characteristics of combination machine tool, this paper designs the fixture of combination machine tool for the connecting holes of reducer box cover.
The "Unification Datum" principle is taken into account the datum of the fixture is the one that last machining process used. In this way, the shape and position precision is ensured and reduces the accumulated error of the whole. To guarantee the processing requirements, the force is calculated. The design principle of "three charts and a card" of the overall design of machine tool is used, not only to meet the processing requirements, but also to ensure the relative productivity of the machine tool.
Keyword: Reducer box cover Combination machine tool Fixture
目 录
第一章 绪 论 1
1.1课题的背景、目的及意义 1
1.2国内外组合机床的应用与发展现状 2
1.3本文要解决的问题、研究思路与基本框架 4
第二章 组合机床总体设计 6
2.1箱盖连接孔加工工艺路线的制定 6
2.2 箱盖连接孔加工刀具的选择及切削用量的确定 7
2.2.1刀具的选择 7
2.2.2切削用量的确定 8
2.3 组合机床总体设计——三图一卡 9
2.3.1 被加工零件图的绘制 9
2.3.2 加工示意图的绘制 9
2.3.3 联系尺寸图的绘制 12
2.3.4 机床生产率计算卡的绘制 15
第三章 组合机床主轴箱设计 18
3.1多轴箱的组成及表示方法 18
3.2 多轴箱通用零件 18
3.2.1 通用箱体类零件 19
3.2.2 通用主轴、通用传动轴、通用齿轮和套 19
3.3 绘制多轴箱设计原始依据图 19
3.4 主轴、齿轮的确定及动力计算 20
3.4.1 主轴型式、直径及位置的确定 21
3.4.2 齿轮模数的确定 21
3.4.3 多轴箱所需动力的计算 21
3.5 多轴箱传动系统设计 22
3.5.1 对多轴箱传动系统的一般要求 23
3.5.2 拟订多轴箱传动系统 23
3.5.2 多轴箱传动系统的验算与校核 25
第四章 组合机床夹具设计 28
4.1 组合机床夹具设计方法与步骤 28
4.2 组合机床夹具结构设计 29
4.2.1 定位支承系统结构设计 29
4.2.2 导向装置结构设计 30
4.2.3 夹紧机构设计与计算 30
总 结 35
参考文献 36
致 谢 37
