四工位專(zhuān)用機(jī)床設(shè)計(jì)說(shuō)明書(shū)
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- 四工位專(zhuān)用機(jī)床傳動(dòng)到主軸刀具想的設(shè)計(jì)說(shuō)明前言 ....................................................1
1 原始數(shù)據(jù)的及設(shè)計(jì)要求...................................4
1.1工作原理及工藝動(dòng)作過(guò)程.........................4
1.1數(shù)據(jù)參數(shù)....................................5
2 工藝動(dòng)作分解及機(jī)械運(yùn)動(dòng)循環(huán)圈...........................7
2.1工藝動(dòng)作分解........................................7
2.2機(jī)械運(yùn)動(dòng)循環(huán)圈......................................7
3 機(jī)構(gòu)選型和機(jī)械運(yùn)動(dòng)方案的確定...........................8
3.1機(jī)構(gòu)選型............................................8
3.2 機(jī)械運(yùn)動(dòng)方案的確定.................................8
4 機(jī)械傳動(dòng)系統(tǒng)速比和變速機(jī)構(gòu).....................9
4.1 機(jī)械速比..........................................9
5 機(jī)械運(yùn)動(dòng)方案簡(jiǎn)圖............................10
5.1運(yùn)動(dòng)方案...........................................10
6 對(duì)機(jī)械傳動(dòng)系統(tǒng)和各機(jī)構(gòu)的尺寸計(jì)算.................11
6.1計(jì)算各級(jí)傳動(dòng)效率、轉(zhuǎn)速、功率及轉(zhuǎn)矩.............15
6.1.1 傳動(dòng)功率................. ..................15
6.1.2各軸轉(zhuǎn)速...............................15
6.1.3輸出功率...............................15
6.1.4輸出轉(zhuǎn)矩................................16
6.2 帶傳動(dòng)設(shè)計(jì)................................16
6.2.1確定計(jì)算功率................................16
6.2.2選擇V帶的帶型................................16
6.2.3確定帶輪的基準(zhǔn)直徑并驗(yàn)算帶速...............16
6.2.4確定V帶的中心距和基準(zhǔn)長(zhǎng)....................17
6.2.5驗(yàn)算小帶輪上的包角. ........................17
6.2.6計(jì)算帶的根數(shù)...............................17
6.2.7計(jì)算單根V帶的初拉力的最小值................18
6.2.8計(jì)算壓軸力..............................18
6.2.9帶輪的結(jié)構(gòu)設(shè)計(jì)..............................19
6.3齒輪傳動(dòng)的設(shè)計(jì)................................21
6.3.1高速級(jí)齒輪傳動(dòng)設(shè)計(jì).........................21
6.3.2軸III至軸IV的低速級(jí)齒輪傳動(dòng)設(shè)計(jì)..........30
6.3.3 軸III至軸VI的低速級(jí)齒輪傳動(dòng)設(shè)計(jì)..............30
6.3.4齒輪齒條傳動(dòng)設(shè)計(jì)..............................31
6.4行星輪系傳動(dòng)設(shè)計(jì).........................31
6.4.1輪系的選擇.....................................32
6.4.2結(jié)構(gòu)設(shè)計(jì)......................................33
6.5槽輪機(jī)構(gòu)設(shè)計(jì).............................34
6.5.1撥盤(pán).......................................34
6.5.2槽輪.....................................36
6.5.3滾子--齒條...................................36
6.6 圓柱凸輪機(jī)構(gòu)設(shè)計(jì)..................................36
6.6.1 圓柱凸輪的參數(shù)...............................36
6.6.2 主凸輪輪廓線及其運(yùn)動(dòng)曲線.....................37
6.7各級(jí)軸的設(shè)計(jì)......................................39
6.7.1軸I設(shè)計(jì)...................................39
6.7.2軸II的設(shè)計(jì)..................................47
6.7.3軸III的設(shè)計(jì) ...............................48
6.7.4軸IV的設(shè)計(jì)............................48
6.7.5軸V的設(shè)計(jì)................................48
6.7.6軸VI的設(shè)計(jì)..............................48
6.8床身及主軸箱設(shè)計(jì)............................49
6.8.1床身設(shè)計(jì)............................49
6.8.2主軸箱設(shè)計(jì).................................49
7 整體裝配簡(jiǎn)圖....................................52
7．1運(yùn)動(dòng)原理............................................52
8 四工位機(jī)床的使用和維護(hù)..................................54
8.1機(jī)床的維護(hù)及漏油的防治....................54
9 機(jī)床軸承的密封.........................................58
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