.PAGE\*MERGEFORMAT56燕山大学机械设计课程设计报告题目：蜗杆-齿轮二级减速器学院：机械工程学院年级专业：13级机制班学号：0000000000学生姓名：000000000指导教师：0000000000目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc440447107"1项目设计目标与技术要求PAGEREF_Toc440447107\h6HYPERLINK\l"_Toc440447108"2传动系统方案制定与分析PAGEREF_Toc440447108\h6HYPERLINK\l"_Toc440447109"3传动方案的技术设计与分析PAGEREF_Toc440447109\h7HYPERLINK\l"_Toc440447110"3.1电动机选择与确定PAGEREF_Toc440447110\h7HYPERLINK\l"_Toc440447111"3.1.1电动机类型和结构形式选择PAGEREF_Toc440447111\h7HYPERLINK\l"_Toc440447112"3.1.2电动机容量确定PAGEREF_Toc440447112\h8HYPERLINK\l"_Toc440447113"3.1.3电动机转速选择PAGEREF_Toc440447113\h8HYPERLINK\l"_Toc440447114"3.2传动装置总传动比确定及分配PAGEREF_Toc440447114\h9HYPERLINK\l"_Toc440447115"3.2.1传动装置总传动比确定PAGEREF_Toc440447115\h9HYPERLINK\l"_Toc440447116"3.2.2各级传动比分配PAGEREF_Toc440447116\h9HYPERLINK\l"_Toc440447117"3.2.3运动和动力参数计算PAGEREF_Toc440447117\h10HYPERLINK\l"_Toc440447118"4关键零部件的设计与计算PAGEREF_Toc440447118\h11HYPERLINK\l"_Toc440447119"4.1设计原则制定PAGEREF_Toc440447119\h11HYPERLINK\l"_Toc440447120"4.1.1蜗杆蜗轮传动PAGEREF_Toc440447120\h11HYPERLINK\l"_Toc440447121"4.1.2斜齿轮传动PAGEREF_Toc440447121\h12HYPERLINK\l"_Toc440447122"4.2齿轮传动设计方案PAGEREF_Toc440447122\h12HYPERLINK\l"_Toc440447123"4.2.1软齿面和硬齿面选择PAGEREF_Toc440447123\h12HYPERLINK\l"_Toc440447124"4.2.2校核原则PAGEREF_Toc440447124\h13HYPERLINK\l"_Toc440447125"4.2.3直齿轮和斜齿轮的选择PAGEREF_Toc440447125\h13HYPERLINK\l"_Toc440447126"4.3蜗杆传动设计计算PAGEREF_Toc440447126\h13HYPERLINK\l"_Toc440447127"4.3.1蜗杆传动参数设计PAGEREF_Toc440447127\h13HYPERLINK\l"_Toc440447128"4.3.2蜗杆齿轮传动强度校核PAGEREF_Toc440447128\h15HYPERLINK\l"_Toc440447129"4.4斜齿轮齿轮传动设计计算PAGEREF_Toc440447129\h17HYPERLINK\l"_Toc440447130"4.4.1斜齿轮传动参数设计PAGEREF_Toc440447130\h17HYPERLINK\l"_Toc440447131"4.4.2斜齿轮传动强度校核PAGEREF_Toc440447131\h20HYPERLINK\l"_Toc440447132"4.5轴的初算PAGEREF_Toc440447132\h21HYPERLINK\l"_T