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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···············································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和動力參數···················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) 從動軸的結構設計·····································21 第7.2節(jié) 從動軸的工作結構圖··································21 第8章 蝸輪軸的結構設計及蝸輪的結構設計····················22 第8.1節(jié) 蝸輪結構··············································22 第8.2節(jié) 求出蝸輪上的功率P轉速n·····························22第8.3節(jié) 求作用在蝸輪上的力···································22第8.4節(jié) 軸的結構設計··········································23 第8.5節(jié) 根據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 ·····························································33 參考文獻 ························································34致謝·····························································35