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目 錄 前言·······························································1 第1章 設(shè)計(jì)任務(wù)書···············································2 第2章 總體設(shè)計(jì)················································3 第2.1節(jié) 設(shè)計(jì)依據(jù)···············································3 第2.2節(jié) 工作過程的擬定·········································3 第2.3節(jié) 傳動(dòng)方案的選擇········································3 第2.4節(jié) 傳動(dòng)比的分配···········································4 第2.5節(jié) 筒體結(jié)構(gòu)的初步設(shè)計(jì)····································5 第3章 傳動(dòng)裝置及電動(dòng)機(jī)的選擇·································5第3.1節(jié) 選擇傳動(dòng)方案···········································5 第3.2節(jié) 電動(dòng)機(jī)的選擇···········································5 第3.3節(jié) 傳動(dòng)比的分配···········································6 第3.4節(jié) 計(jì)算傳動(dòng)裝置的運(yùn)動(dòng)參數(shù)和動(dòng)力參數(shù)···················7 第4章 聯(lián)軸器設(shè)計(jì)··············································9第4.1節(jié) 選擇聯(lián)軸器的類型······································9 第4.2節(jié) 計(jì)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(shè)計(jì)···············································12 第5.1節(jié) 選擇蝸桿傳動(dòng)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(qiáng)度進(jìn)行設(shè)計(jì)·························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(yàn)算傳動(dòng)比············································14 第5.6節(jié) 校核齒根彎曲疲勞強(qiáng)度································14 第5.7節(jié) 精度等級(jí)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(gòu)與各段直徑和長(zhǎng)度·························16 第5.10節(jié) 初步選取滾動(dòng)軸承·····································16 第5.11節(jié) 蝸桿上零件的周向定位·······························17 第6章 主動(dòng)軸的設(shè)計(jì)············································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(gòu)設(shè)計(jì)·········································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(yīng)力校核軸的強(qiáng)度·························20 第7章 主動(dòng)軸的設(shè)計(jì)···········································21 第7.1節(jié) 從動(dòng)軸的結(jié)構(gòu)設(shè)計(jì)·····································21 第7.2節(jié) 從動(dòng)軸的工作結(jié)構(gòu)圖··································21 第8章 蝸輪軸的結(jié)構(gòu)設(shè)計(jì)及蝸輪的結(jié)構(gòu)設(shè)計(jì)····················22 第8.1節(jié) 蝸輪結(jié)構(gòu)··············································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(gòu)設(shè)計(jì)··········································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(zhǎng)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(shè)計(jì)··············································26第9.1節(jié) 筒體結(jié)構(gòu)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(shè)計(jì)································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(shù)要求··········································27第10章 振動(dòng)頻率的設(shè)計(jì)········································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(shè)計(jì)···········································30 小結(jié) ·····························································33 參考文獻(xiàn) ························································34致謝·····························································35