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目 錄
前言·······························································1
第1章 設計任務書···············································2
第2章 總體設計················································3
第2.1節(jié) 設計依據(jù)···············································3
第2.2節(jié) 工作過程的擬定·········································3
第2.3節(jié) 傳動方案的選擇········································3
第2.4節(jié) 傳動比的分配···········································4
第2.5節(jié) 筒體結(jié)構的初步設計····································5
第3章 傳動裝置及電動機的選擇·································5第3.1節(jié) 選擇傳動方案···········································5
第3.2節(jié) 電動機的選擇···········································5
第3.3節(jié) 傳動比的分配···········································6
第3.4節(jié) 計算傳動裝置的運動參數(shù)和動力參數(shù)···················7
第4章 聯(lián)軸器設計··············································9第4.1節(jié) 選擇聯(lián)軸器的類型······································9
第4.2節(jié) 計算聯(lián)軸器的轉(zhuǎn)矩·····································10
第4.3節(jié) 聯(lián)軸器的確定以及其基本尺寸·························10
第4.4節(jié) 聯(lián)軸器的附加說明····································10
第5章 蝸桿的設計···············································12
第5.1節(jié) 選擇蝸桿傳動類型·····································12
第5.2節(jié) 選擇材料··············································12
第5.3節(jié) 按齒面接觸疲勞強度進行設計·························12
第5.4節(jié) 蝸桿與蝸輪的主要參數(shù)與幾何尺寸·····················13
第5.5節(jié) 驗算傳動比············································14
第5.6節(jié) 校核齒根彎曲疲勞強度································14
第5.7節(jié) 精度等級公差和表面粗糙度的確定··························15
第5.8節(jié) 初步確定蝸桿上的最小直徑····························15
第5.9節(jié) 蝸桿的結(jié)構與各段直徑和長度·························16
第5.10節(jié) 初步選取滾動軸承·····································16
第5.11節(jié) 蝸桿上零件的周向定位·······························17
第6章 主動軸的設計············································18
第6.1節(jié) 初步確定軸的最小直徑································18
第6.2節(jié) 軸的結(jié)構設計·········································18
第6.3節(jié) 求軸上的載荷·········································19
第6.4節(jié) 求作用在軸上的力·····································20
第6.5節(jié) 按彎扭合成應力校核軸的強度·························20
第7章 主動軸的設計···········································21
第7.1節(jié) 從動軸的結(jié)構設計·····································21
第7.2節(jié) 從動軸的工作結(jié)構圖··································21
第8章 蝸輪軸的結(jié)構設計及蝸輪的結(jié)構設計····················22
第8.1節(jié) 蝸輪結(jié)構··············································22
第8.2節(jié) 求出蝸輪上的功率P轉(zhuǎn)速n·····························22第8.3節(jié) 求作用在蝸輪上的力···································22第8.4節(jié) 軸的結(jié)構設計··········································23
第8.5節(jié) 根據(jù)軸向定位要求確定軸的各段直徑和長度··········23第8.6節(jié) 確定軸上圓角和倒角尺寸······························25
第9章 筒體的設計··············································26第9.1節(jié) 筒體結(jié)構的確定·······································26第9.2節(jié) 確定筒體的壁厚·······································26
第9.3節(jié) 送料孔和卸料孔的設計································26第9.4節(jié) 筒體各部分尺寸的確定································27第9.5節(jié)筒體的技術要求··········································27第10章 振動頻率的設計········································28
第10.1節(jié) 用瑞利法求筒體的固有頻率··························28第10.2節(jié) 振幅的設計···········································30
小結(jié) ·····························································33
參考文獻 ························································34致謝·····························································35