半自動(dòng)鉆床說明書-機(jī)械原理課程設(shè)計(jì)

1、yuan, a n increase of 17.5%; l oca l governme nt gener al budget reve nue of 500 million Yua n, . Pai nting, model culture creates new Ma Church community, cre ating Lak e sceni c spot culture e ducation base, receiv ed high eval uation from provi ncial a nd munici pal di scipline Inspe ction Commis

2、sion, the peoples daily special re port. Constantly promote i ndepe nde nt Commission against corr upti on cultur e constr uction to rur al extends, cr eated e stablishe d Dahli n rural i ndustry Park i nde pende nt Commission ag ainst corr uption culture positions, formed has a support servi ce low

3、 double ex celle nt of members lead team, constantly perfect and esta blished Park funds assets manageme nt, and village audit supervision, and villagers democrati c fina ncial, system, stre ngthe ning Park party, and Chief, and financial, full publi c, powerful t o guara ntees has new rural constru

4、ction, by city rural styl e clean g overnme nt inspe ction unit le d of heig ht evaluati on. Through the implementati on of honest a nd cl ean g overnme nt cult regulated behavi or and di sci pline, honesty i n politi cs a nd cultur e to creat e a good atmospher e and fresh development e nvironm nt.

5、 Althoug h we in im plement impl ementati on inde pendent Commissi on agai nst corruption guideline s aspects ma de ha s must effective ness, but a way from superior of requireme nts also exists must of dista nce, main performance for: a is sy stem enough sound, educati on, a nd supervision, a nd pr

6、 eventi on, a nd puni shme nt, aspects l ong -term mechanism al so e nough perfect, especi ally in e nrollme nt bid w ork regul atory aspect s also nee ded stre ngthe ning ; II is re ulatory supervision exists lost of Yu wi de, a nd l ost of Yu soft, inve stigation illegal di sciplinary case of effo

7、rts also needed stre ngthe ning, i ndivi dual sector and ca dres also different degree exist s treat gift, not to benefits not do, and mess do of phe nome non; Thr ee for hone st work is the new situat ions a nd (A) deepeni ng the lear ning, e nha nce the consci ousne ss of hone sty in politics. To

8、create eve nt as an opport unity to Excel and learni ng party, further increasi ng the gover nance capa bility and adva nce d constr ucti on, rei nforced rul es of the broa d masse s of party member s and ca dres aware ness, se nse of responsi bility, se nse of honor, impr ove w orking ability and l

9、 evel of sci entific development. Should make full use of meetings, in particular central group lear ning opportunity, further strengt hening the st udy a nd e ducation of the code , the int ensiv e warni ng educati on, e ducation the majority of party members and ca dres k now n fear, kne w fear, h

10、onesty i n pol itics of tensi on the strings, consciousness a nd enha nci ng the impl ementati on of the i nitiative. Also, pay attention to apply what they have l earne d, consci ously study re sults i nto planning w ork, ne w idea 1. 設(shè)計(jì)任務(wù) 1.1 設(shè)計(jì)題目：半自動(dòng)鉆床 設(shè)計(jì)加工某孔的半自動(dòng)鉆床。進(jìn)刀機(jī)構(gòu)負(fù)責(zé)動(dòng)力頭的升降，送料機(jī)構(gòu)將被加工工件推 入加工位置，

11、并由定位機(jī)構(gòu)使被加工工件可靠固定。 1.2 初始條件 進(jìn)料機(jī)構(gòu) 定位機(jī)構(gòu) 動(dòng)力頭 電動(dòng)機(jī)轉(zhuǎn)速 工作節(jié)拍 方案號(hào) 工作行程 工作行程 工作行程 /(r/min) （生產(chǎn)率） /mm /mm /mm / （件 /min ） A 40 20 15 960 2 1.3 設(shè)計(jì)任務(wù) 1.半自動(dòng)鉆床一般至少包括凸輪機(jī)構(gòu)、齒輪機(jī)構(gòu)和連桿機(jī)構(gòu)在內(nèi)的三種機(jī)構(gòu)。 2.設(shè)計(jì)傳動(dòng)系統(tǒng)并確定其傳動(dòng)比分配，畫出傳動(dòng)系統(tǒng)圖 3.畫出半自動(dòng)鉆床的機(jī)構(gòu)運(yùn)動(dòng)方案簡(jiǎn)圖和運(yùn)動(dòng)循環(huán)圖。 4.凸輪機(jī)構(gòu)的設(shè)計(jì)計(jì)算。按各凸輪機(jī)構(gòu)的工作要求，自選從動(dòng)件的運(yùn)動(dòng)規(guī)律，確定基 圓半徑，校核最大壓力角與最小曲率半徑。對(duì)盤狀凸輪要求用電算法計(jì)算出理論廓線

12、、實(shí) 際廓線值。畫出從動(dòng)件運(yùn)動(dòng)規(guī)律線圖及凸輪廓線圖。 5.設(shè)計(jì)計(jì)算其他機(jī)構(gòu)。 6.編寫設(shè)計(jì)計(jì)算說明書。 1.4 設(shè)計(jì)提示 1.鉆頭由動(dòng)力頭驅(qū)動(dòng)，設(shè)計(jì)者只需考慮動(dòng)力頭的進(jìn)刀（升降）運(yùn)動(dòng)。 2.除動(dòng)力頭升降機(jī)構(gòu)外，還需設(shè)計(jì)送料機(jī)構(gòu)、定位機(jī)構(gòu)。各機(jī)構(gòu)運(yùn)動(dòng)循環(huán)要求見表 1。表 1 機(jī)構(gòu)運(yùn)動(dòng)循環(huán)要求 凸輪軸轉(zhuǎn)角 10o 20o 30o 45o 60o 75o 90o 270o 300o 360o 送料 快進(jìn) 休止 快退 休止 new measures to promot e work, the courage to tak e responsibility, dare to break har d to

13、 e nsure distri ct, Gover nment decisions and arrang ements to im plement. ( B) strengthe ning supervisi on, severely puni sh act s of violati on. One is to ope n the channels of supervisi on. Vig orously pr omote the party affairs publi c, open, wi dely a cce pted supervision by the masse s, pay at

14、te ntion to social groups and publi c opi nion supervi sion, the powerful for ce forme d to urge party members a nd leading cadre s properly exer cise their powers. Se cond, strong supervisi on and inspe ction. Dem ocrati c life into full play, importa nt briefing s, reports relate d to personal mat

15、ters and eval uation of ca dres study of inner-party supervisory system, a compr ehe nsive grasp of gui deli nes for the im plementati on of the indepe ndent Commission agai nst corrupti on -relate d ca ses of lea ding cadre s of party member s, focus on stre ngthe ning key are as of pr oje ct sele

16、ction, funding, officials m onitor, detect and rectify the problem, pr omote honesty in politics. Third, stre Recently, the County leadi ng bodies at t he county level to carry out three tree s practi ce, w hich is to impr ove the g overni ng ability a nd promoti ng the development of XX effective m

17、ea sure. I carefully foll ow your de ployme nt requirement s, and actively partici pate in the three trees cam paig n. Read Gr oup, pre pare d by the Department i n the near future of the ide ologi cal a nd politica l construction of lea ding cadres i n the city reader , read the relevant i nformati

18、on, larger harve st, inspire d. I thi nk the a bility of repelli ng is to strengthen the partys gov erning capacity in que stions of the construction of meaning , an important topic remai ns in front of party member s and ca dres at all level s, we need t o further expl ore a nd ponder. T he abil it

19、y of repelli ng the name sugge sts, is a sking party members and ca dres at all lev els in particular, lea ding cadre s at all levels, not only ourselve s, est ablish a corre ct concept of the indepe implement the re sponsi bility of uncorrupted, implementati on of the baolian a nti-corruption measu

20、res to e nsure the real ization of busi ness-buildi ng, construction of a win-win situation. Next, I combine d with t heir thi nking, ex perie nce a nd contact XX pra ctical , on how t o enhance the a bility of repelling, on four a spe cts of cogniti on. Irregularities, plea se comment. First, the c

21、onstruction of the propulsi on system, and enhance the system of corruption since the founding of our party, have been t hinki ng about tackli ng corrupti on. Curre ntly, democrati c legal syst em, management syste m and supervisi on me cha nism is not perfe ct, admi nistrative act s are not very st

22、andardi zed, Enterpri se be havior a nd market behavi or, corruption presents a diverse, plurali stic, compl ex trends, this shift the str uggle betw een t he two, w ill accompa ny yuan, a n increase of 17.5%; l oca l governme nt gener al budget reve nue of 500 million Yua n, . Pai nting, model c ul

23、ture creates new Ma Church community, cre ating Lak e sceni c spot culture e ducation base, receiv ed high eval uation from provi ncial a nd munici pal di scipline Inspe ction Commission, the peoples daily special re port. Constantly promote i ndepende nt Commission against corr upti on cultur e con

24、str uction to rur al extends, cr eated e stablishe d Dahli n rural i ndustry Park i nde pende nt Commission ag ainst corr uption culture positions, formed has a support servi ce low double ex celle nt of members lead team, constantly perfect and esta blished Park funds assets manageme nt, and villag

25、e audit supervision, and villagers democrati c fina ncial, system, stre ngthe ning Park party, and Chief, and financial, full publi c, powerful t o guara ntees has new rural construction, by city rural styl e clean g overnme nt inspe ction unit le d of heig ht evaluati on. Through the implementati o

26、n of honest a nd cl ean g overnme nt cult regulated behavi or and di sci pline, honesty i n politi cs a nd cultur e to creat e a good atmospher e and fresh development e nvironme nt. Althoug h we in im plement impl ementati on inde pendent Commissi on agai nst corruption guideline s aspects ma de ha

27、 s must effective ness, but a way from superior of requireme nts also exists must of dista nce, main performance for: a is sy stem enough sound, educati on, a nd supervision, a nd pr eventi on, a nd puni shme nt, aspects l ong -term mechanism al so e nough perfect, especi ally in e nrollme nt bid w

28、ork regul atory aspect s also nee ded stre ngthe ning ; II is re gulatory supervision exists lost of Yu wi de, a nd l ost of Yu soft, inve stigation illegal di sciplinary case of efforts also needed stre ngthe ning, i ndivi dual sector and ca dres also different degree exist s treat gift, not to ben

29、efits not do, and mess do of phe nome non; Thr ee for hone st work is the new situat ions a nd (A) deepeni ng the lear ning, e nha nce the consci ousne ss of hone sty in politics. To create eve nt as an opport unity to Excel and learni ng party, further increasi ng the gover nance capa bility and ad

30、va nce d constr ucti on, rei nforced rul es of the broa d masse s of party member s and ca dres aware ness, se nse of responsi bility, se nse of honor, impr ove w orking ability and l evel of sci entific development. Should make full use of meetings, in particular central group lear ning opportunity

31、, further strengt hening the st udy a nd e ducation of the code , the int ensiv e warni ng educati on, e ducation the majority of party members and ca dres k now n fear, kne w fear, honesty i n pol itics of tensi on the strings, consciousness a nd enha nci ng the impl ementati on of the i nitiative.

32、 Also, pay attention to apply what they have l earne d, consci ously study re sults i nto planning w ork, ne w idea 定位夾緊休止快進(jìn)及夾緊休止快退 進(jìn)刀休止快進(jìn)工進(jìn)快退休止 3.可采用凸輪軸的方法分配協(xié)調(diào)各機(jī)構(gòu)運(yùn)動(dòng)。 2. 工作原理及功能分解 半自動(dòng)鉆床的工作原理是利用鉆頭的旋轉(zhuǎn)和進(jìn)刀切削掉工件的余料而得到工件尺寸形狀。工藝動(dòng)作過程由送料、定位夾緊、進(jìn)刀三部分組成。各個(gè)機(jī)構(gòu)的運(yùn)動(dòng)由同一電動(dòng)機(jī)驅(qū)動(dòng)，運(yùn)動(dòng)由電動(dòng)機(jī)經(jīng)過減速裝置后分為兩路，一路隨著傳動(dòng)系統(tǒng)傳送動(dòng)力到定位夾緊機(jī)構(gòu)和進(jìn)刀機(jī)構(gòu)

33、，分別帶動(dòng)凸輪做轉(zhuǎn)動(dòng)控制連桿對(duì)工件的定位和通過齒輪帶動(dòng)齒條和動(dòng)力頭做往復(fù)直線運(yùn)動(dòng)。另一路直接傳動(dòng)到送料機(jī)構(gòu)，控制的送料機(jī)構(gòu)的進(jìn)退。即該系統(tǒng)由電動(dòng)機(jī) 驅(qū)動(dòng)，通過變速傳動(dòng)將電動(dòng)機(jī)的轉(zhuǎn)速由 960r/min 降到主軸的 2r/min，與傳動(dòng)軸相連的凸輪機(jī)構(gòu)控制送料，定位夾緊和進(jìn)刀等工藝動(dòng)作。其中動(dòng)力頭由凸輪機(jī)構(gòu)通過齒輪傳動(dòng)帶動(dòng)齒 條上下平穩(wěn)地運(yùn)動(dòng)，則動(dòng)力頭可帶動(dòng)鉆頭平穩(wěn)地上下移動(dòng)從而保證了較高的加工質(zhì)量。進(jìn)刀機(jī)構(gòu)負(fù)責(zé)動(dòng)力頭的升降，送料機(jī)構(gòu)將被加工工件推入加工位置，并由定位機(jī)構(gòu)使加工工件可靠固定。三個(gè)執(zhí)行構(gòu)件的運(yùn)動(dòng)形式為： 1.進(jìn)刀機(jī)構(gòu)動(dòng)力頭做垂直的往復(fù)直線運(yùn)動(dòng)，下移到最低點(diǎn)后立刻上移。在下移之前有

34、一段休止時(shí)間，此段時(shí)間則用于送料和定位夾緊。其中動(dòng)力頭的行程為15mm。 2.送料機(jī)構(gòu)做水平的往復(fù)運(yùn)動(dòng)，工作行程是40mm。初始時(shí)，送料機(jī)構(gòu)迅速地將被加工 工件送到指定加工位置，稍作停頓后立即返回，且其在工件的加工過程中保持休止。 3.定位夾緊機(jī)構(gòu)在水平面內(nèi)做近似垂直直線運(yùn)動(dòng)，在工件的加工過程中對(duì)工件起固定 的作用。其中夾緊裝置的垂直行程為20mm。 功能分解圖： 送料機(jī)構(gòu)功能 原 變 送料、定位夾緊、 動(dòng) 機(jī) 速 進(jìn)刀依靠凸輪機(jī)構(gòu) 輸 齒 定位夾緊機(jī)構(gòu)功能 出 輪 動(dòng) 機(jī) 協(xié)調(diào)工作 力 構(gòu) new measures to promot e work, the courage to tak e

35、 responsibility, dare to break har d to e nsure distri ct, Gover nment decisions and arrang ements to im plement. ( B) strengthe ning supervisi on, severely puni sh act s of violati on. One is to ope n the channels of supervisi on. Vig orously pr omote the party affairs publi c, open, wi dely a cce

36、pted supervision by the masse s, pay atte ntion to social groups and publi c opi nion supervi sion, the powerful for ce forme d to urge party members a nd leading cadre s properly exer cise their powers. Se cond, strong supervisi on and inspe ction. Dem ocrati c life into full play, importa nt brief

37、ing s, reports relate d to personal matters and eval uation of ca dres study of inner -party supervisory system, a compr ehe nsive grasp of gui deli nes for the im plementati on of the indepe ndent Commission agai nst corrupti on-relate d ca ses of lea ding cadre s of party member s, focus on stre n

38、gthe ning key are as of pr oje ct sele ction, funding, Recently, the County leadi ng bodies at t he county level to carry out three tree s practi ce, w hich is to impr ove the g overni ng ability a nd promoti ng the development of XX effective mea sure. I carefully foll ow your de ployme nt req uire

39、ment s, and actively partici pate in the three trees cam paig n. Read Gr oup, pre pare d by the Department i n the near future of the ide ologi cal a nd politica l construction of lea ding cadres i n the city reader , read the relevant i nformation, larger harve st, inspire d. I thi nk the a bility

40、of repelli ng is to strengthen the partys gov erning capacity in que stions of the construction of meaning , an important topic remai ns in front of party member s and ca dres at all level s, we need t o further expl ore a nd ponder. T he abil ity of repelli ng the name sugge sts, is a sking party m

41、embers and ca dres at all lev els in particular, lea ding cadre s at all levels, not only ourselve s, est ablish a corre ct concept of the indepe implement the re sponsi bility of uncorrupted, implementati on of the baolian a nti-corruption measures to e nsure the real ization of busi ness-buildi ng

42、, construction of a win-win situation. Next, I combine d with t heir thi nking, ex perie nce a nd contact XX pra ctical , on how t o enhance the a bility of repelling, on four a spe cts of cogniti on. Irregularities, plea se comment. First, the construction of the propulsi on system, and enhance the

43、 system of corruption since the founding of our party, have been t hinki ng about tackli ng corrupti on. Curre ntly, democrati c legal syst em, management syste m and supervisi on me cha nism is not perfe ct, admi nistrative act s are not very standardi zed, Enterpri se be havior a nd market behavi

44、or, corruption presents a diverse, plurali stic, compl ex trends, this shift the str uggle betw een t he two, w ill accompa ny 進(jìn)刀機(jī)構(gòu)功能 yuan, a n increase of 17.5%; l oca l governme nt gener al budget reve nue of 500 million Yua n, . Pai nting, model culture creates new Ma Church community, cre ating

45、Lak e sceni c spot culture e ducation base, receiv ed hig h eval uation from provi ncial a nd munici pal di scipline Inspe ction Commission, the peoples daily special re port. Constantly promote i ndepe nde nt Commission against corr upti on cultur e constr uction to rur al extends, cr eated e stabl

46、ishe d Dahli n rural i ndustry Park i nde pende nt Commission ag ainst corr uption culture positions, formed has a support servi ce low double ex celle nt of members lead team, constantly perfect and esta blished Park funds assets manageme nt, and village audit supervision, and villagers democrati c

47、 fina ncial, system, stre ngthe ning Park party, and Chief, and financial, full publi c, powerful t o guara ntees has new rural construction, by city rural styl e clean g overnme nt inspe ction unit le d of heig ht evaluati on. Through the implementati on of honest a nd cl ean g overnme nt cult ural

48、 constr ucti on, a nd effectively e regulated behavi or and di sci pline, honesty i n politi cs a nd cultur e to creat e a good atmospher e and fresh development e nvironme nt. Althoug h we in im plement impl ementati on inde pendent Commissi on agai nst corruption guideline s aspects ma de ha s mus

49、t effective ness, but a way from superior of requireme nts also exists must of dista nce, main performance for: a is sy stem enough sound, educati on, a nd supervision, a nd pr eventi on, a nd puni shme nt, aspects l ong -term mechanism al so e nough perfect, especi ally in e nrollme nt bid w ork re

50、gul atory aspect s also nee ded stre ngthe ning ; II is re gulatory supervision exists lost of Yu wi de, a nd l ost of Yu soft, inve stigation illegal di sciplinary case of efforts also needed stre ngthe ning, i ndivi dual sector and ca dres also different degree exist s treat gift, not to benefits

51、not do, and mess do of phe nome non; Thr ee for hone st work is the new situat ions a nd new pr obl ems in finding timely enoug h, treatment measures ar (A) deepeni ng the lear ning, e nha nce the consci ousne ss of hone sty in politics. To create eve nt as an opport unity to Excel and learni ng par

52、ty, further increasi ng the gover nance capa bility and adva nce d constr ucti on, rei nforced rul es of the broa d masse s of party member s and ca dres aware ness, se nse of responsi bility, se nse of honor, impr ove w orking ability and l evel of sci entific development. Should make full use of m

53、eetings, in particular central group lear ning opportunity, further strengt heni ng the st udy a nd education of the code , the int ensiv e warni ng educati on, e ducation the majority of party members and ca dres k now n fear, kne w fear, honesty i n pol iticsof tensi on the strings, consciousness

54、a nd e nha nci ng the impl ementati on of the i nitiative. Also, pay attention to apply what they have l earne d, consci ously study re sults i nto planning w ork, ne w idea XXXX 大學(xué)機(jī)械原理課 程設(shè)計(jì)說明書 3. 主運(yùn)動(dòng)機(jī)構(gòu)選型與分析比較 根據(jù)前述設(shè)計(jì)要求：送料機(jī)構(gòu)應(yīng)做往復(fù)運(yùn)動(dòng)，并且必須保證工作行程中有快進(jìn)、休止 和快退過程；定位夾緊機(jī)構(gòu)有休止、快進(jìn)及夾緊、休止和快退過程；進(jìn)刀機(jī)構(gòu)有休止、快 進(jìn)、工進(jìn)、快退和休止過程

55、。此外三個(gè)機(jī)構(gòu)之間還要滿足隨著凸輪軸轉(zhuǎn)角不同完成動(dòng)作的 過程不同且相互配合。這些運(yùn)動(dòng)要求不一定完全能夠達(dá)到，但必須保證三者之間相互滿足 凸輪不同角度時(shí)的完好配合，以及送料機(jī)構(gòu)的往復(fù)運(yùn)動(dòng)和進(jìn)刀機(jī)構(gòu)的往復(fù)循環(huán)與各個(gè)機(jī)構(gòu) 的間歇運(yùn)動(dòng)。 4.1 減速傳動(dòng)功能 方案 A：采用定軸輪系減速傳動(dòng)。由于傳動(dòng)比=輸入轉(zhuǎn)速 /輸出轉(zhuǎn)速 =480 傳動(dòng)比過大， 故用二級(jí)減速傳動(dòng)。其中帶傳動(dòng)起過載保護(hù)作用。 方案 A 4.2 進(jìn)刀機(jī)構(gòu)功能 new measures to promot e work, the courage to tak e responsibility, dare to break har d to

56、 e nsure distri ct, Gover nment deci sions and arrang ements to im plement. ( B) strengthe ning supervisi on, severely puni sh acts of violati on. One is to ope n the channels of supervisi on. Vig orously pr omote the party affairs publi c, open, wi dely a cce pted supervision by the masse s, pay at

57、te ntion to social groups and publi c opi nion supervi sion, the powerful for ce forme d to urge party members a nd lea ding cadre s properly exer cise their powers. Se cond, strong supervisi on a nd inspe ction. Dem ocrati c life into full play, importa nt briefing s, reports relate d to personal m

58、atters and eval uation of ca dres study of inner-party supervisory system, a comprehe nsive grasp of gui deli nes for the im plementati on of the indepe ndent Commissio n against corrupti on-relate d ca ses of lea ding cadre s of party member s, focus on stre ngthe ning key are as of pr oje ct sele

59、ction, funding, officials m onitor, detect and rectify the problem, pr omote honesty in politics. Third, stre ngthe n di sciplinary i Recently, the County leadi ng bodies at t he county level to carry out three tree s practi ce, w hich is to impr ove the g overni ng ability a nd promoti ng the devel

60、opment of XX effective mea sure. I carefully foll ow yo ur de ployme nt requirement s, and actively participate in the three trees cam paig n. Read Gr oup, pre pare d by the Department i n the near future of the ide ologi cal a nd politica l construction of lea ding cadres i n the city reader , read