【正文】 and selfdiscipline required specific, awaken the party constitution of party passes party consciousness, maintaining the authority of the constitution. General Secretary Xi Jinping pointed out that no rules, no side round. Party constitution is the fundamental law, the party must follow the general rules. In early 2020 held the eighth session of the Central Commission for Discipline Inspection Fifth Plenary Session of the 16th Central Committee, Xi Jinping again pointed out that constitution is the party must follow the general rules, but also the general rules. the revision of the 需完整說明書和圖紙找扣扣 二五一一三三四零八 23 code and rule is Method in adhere to the regulations established for the purpose of bining rule of virtue is to adhere to the party constitution as a fundamental to follow, the constitution authority set up, wake up the party constitution and party rules the sense of discipline, the party constitution about discipline and selfdiscipline specific requirements. 4 second is to adhere to in accordance with the regulations governing the party and the party. The Party of rule of virtue de, mainly refers to the party39。 two is the political discipline regulations is not prominent, not specific, for violation of the party constitution, damage the 需完整說明書和圖紙找扣扣 二五一一三三四零八 20 authority of Party Constitution of misconduct lack necessary and serious responsibility to pursue。 the third is banned terms and discipline law, both with the party discipline, disciplinary regulations repeat and Criminal law and other laws and regulations repeat。s eighteen years prehensive strictly practice. (a) revised two regulations of the party need of the ICAC guidelines in in 1997 Leaders as members of the Communist Party of China clean politics certain criteria (Trial) based on revised, the promulgation and implementation of January 2020, to strengthen the construction of the contingent of leading cadres play an 需完整說明書和圖紙找扣扣 二五一一三三四零八 19 important role. But with the party to manage the party strictly administering the deepening, has not been able to fully meet the actual needs. Content is too plicated, eight prohibition, 52 are not allowed to hard to remember, and also difficult to put into practice。s leadership, to solve the masses of the people reflect a focus on the problem. The new revision of the code and rule , reflects the party39。 the fourth part on how to grasp the implementation of the two regulations of the party. code and Regulations revised the necessity and revised 需完整說明書和圖紙找扣扣 二五一一三三四零八 18 history of the CPC Central Committee the amendment to the Chinese Communist Party members and leading cadres honest politics several guidelines and Chinese Communist Party discipline and Punishment Regulations column 1 by 2020 to strengthen party laws and regulations focus. Two party regulations revision work lasted a Years, pooling the wisdom of the whole party, ideological consensus, draw historical experience, respect for the wisdom of our predecessors, which reflects the unity of inheritance and innovation。 the second part is the interpretation of the two fundamental principles of the revision of laws and regulations in the party。 5） 由《機(jī)械制造技術(shù)基準(zhǔn)課程設(shè)計(jì)指導(dǎo)教程》表 112 可得夾具體座耳結(jié)構(gòu)尺寸如下表 : 螺栓直徑 D D1 R R1 L H b 12 14 30 7 15 20 36 4 參考文獻(xiàn) 1.《機(jī)械制造技術(shù)基礎(chǔ)課程設(shè)計(jì)指導(dǎo)教程》 機(jī) 械工業(yè)出版社 鄒青 主編 2.《機(jī)械制造技術(shù)基礎(chǔ)》 機(jī)械工業(yè)出版社 于駿一 鄒青 主編 3.《互換性與測試技術(shù)基礎(chǔ)》 機(jī)械工業(yè)出版社 王伯平 需完整說明書和圖紙找扣扣 二五一一三三四零八 16 主編 4.《切削手冊》 機(jī)械工業(yè)出版社 艾興 肖詩綱 主編 5. 《機(jī)械制造裝備設(shè)計(jì)》 機(jī)械工業(yè)出版社 馮辛安 主編需完整說明書和圖紙找扣扣 二五一一三三四零八 17 （英文版 ） Two regulations promulgated for implementation is in the party in power for a long time and the rule of law conditions, the implementation of prehensive strictly strategic plan, implementation in accordance with the rules and discipline to manage the party, strengthen innerparty supervision of major initiatives. The two regulations supporting each other, the code adhere to a positive advocate, focusing on morality is of Party members and Party leading cadres can see, enough to get a high standard。 3） 未注明的鑄造圓角 R（ 35） mm。澆口、冒口、結(jié)疤、粘砂應(yīng)清楚干凈。 2)作用方向應(yīng)有利于減少所需的夾緊力的大小 . 綜合上述 ,選擇夾緊力的作用點(diǎn)在Φ 60H12孔的 上下端面。 2)應(yīng)落在工件剛性較好的部位上 。 4)夾緊機(jī)構(gòu)的復(fù)雜程度、工作效率與生產(chǎn)類型相適應(yīng) .結(jié)構(gòu)應(yīng)盡量簡單 ,便于制造與維護(hù) 。 2） 夾緊力要適當(dāng) ,既要保證工件在加工過程中定位的穩(wěn)定性 ,又要防止 因夾緊力大損傷工件表面及產(chǎn)生夾緊變形 。 .由于夾緊力的作用 ,工件 總是靠近擋銷 ,所以Δ jb==. 查機(jī)械制造技術(shù)基準(zhǔn)課程設(shè)計(jì)指導(dǎo)教程》表 8510 得定位副制造不準(zhǔn)確誤差Δ db=. 所以 ,Δ dw=Δ jb+Δ db=+=. 設(shè)計(jì) 鉆床夾具的導(dǎo)向元件為 可換 鉆套 ,它的作用是確定刀具相對(duì)夾具定位元件的位置 ,并在加工中對(duì)鏜刀 等加工刀具進(jìn)行引導(dǎo) ,防止刀具在加工中發(fā)生偏斜 . (1)鉆套高度 :鉆套高度與所鉆孔的孔距精度、工件材料、孔加工深度、刀具剛度、工件表面形狀等因素有關(guān) .鉆套高度 H 越大 ,需完整說明書和圖紙找扣扣 二五一一三三四零八 12 刀具的導(dǎo)向性越好 ,但刀具與鉆套的摩擦越大 ,一般取 H=(1～)d,所以 H=1 ～ 60mm=～ 《機(jī)械制造技術(shù)基準(zhǔn)課程設(shè)計(jì)指導(dǎo)教程》表 910 可取快換鉆套的高度H=45mm. (2)排屑間隙 h值應(yīng)適當(dāng)選取 ,上值太小時(shí) ,切屑難以自由排出 ,使加工表面被損壞 。在設(shè)計(jì)夾具時(shí)，主要應(yīng)考慮如何定位才能加工出合格的零件，如何才能減低勞動(dòng)強(qiáng)度和提高勞動(dòng)生產(chǎn)率。精加工 15 ?它們的相互關(guān)系如下圖： 加工方向 16H11 15 ? 1 需完整說明書和圖紙找扣扣 二五一一三三四零八 10 五 .撥叉叉軸孔切削 用量、時(shí)間定額的計(jì)算 工序四 以 φ 25 孔為精基準(zhǔn)，粗鏜，半精鏜 φ 60 孔，保證孔的精度達(dá)到 IT12。 由表 236 可知，精銑余量 Z精銑 =1mm。由表 2― 29 可查得 ,粗鏜余量 Z 粗鏜 =,半精鏜余量 Z 半精鏜 =,查表 1― 20 可依次確定各工序的加工精度等級(jí)為粗鏜 :IT11。 查表 120 知，粗銑工序的經(jīng)濟(jì)加工精度可達(dá) IT11， 其公差值為需完整說明書和圖紙找扣扣 二五一