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1、（黑体，二号，居中）后轴承机匣（宋体，四号）学 院机电工程学院专 业机械设计制造及其自动化班 级94060110学 号2009040601377姓 名李宏伟指导教师于超负责教师（前面空5行，宋体，小三号，居中,后面空1行）沈阳航空航天大学（宋体，小三号，居中）2010年6月force (youth teams) and County party leaders, aimed at weakening the anti-Japanese forces. Zhuang Shaozhen was removed from Office and to the underground revolutio
2、n activities carried out in the country, political parties were dissolved. Zhejiang comrades and thus losing a foothold in Wujiang basis points. To make them stay, jindapeng served as captain of the young workers through activities, make the political player-wise into the youth team. Save a group of
3、 the backbone of the resistance, and gave the Communists . Commander Zhu Xi, led by Deputy Commander Wang Hesong, stationed along the junction of Jiangsu xincheng, Wuzhen. Zhu Xi troops KMT-CCP cooperation and anti-Japanese policy of solidarity, he moved to Jiangsu and Zhejiang provinces. Zhu Depart
4、ment times and day Army hand-to-hand combat made victory, grow has momentum, standing strict Tomb, and new Cheng of appeasement army giant Haru Brigade anyway, received adapted; living Taihu Lake of bin of two a even Hunan army with of allegiance; Jiangsu and Zhejiang junction area of Wang Chunlin D
5、epartment about 500 people also has done a Yu Zhu Xi men; River, and Zhejiang, and Shanghai area many tour miscellaneous forces also attracted attached return, plus many local youth have joined forces, Zhu Xi strength big increased, from original more than 200 more people quickly development to more
6、 than 4,000 more than people, opened has a to Wuzhen for Center, including strict Tomb, and Shuanglin, practicing guerrilla base of the urban, new Cheng became strongest guerrilla forces of the Kuomintang along the border of Jiangsu and Zhejiang. In April, the Deputy Commander of the Zhu Xi Wang Hes
7、ong tomb of the eighth Brigade more than more than 100 guns into the country of Pakistan and a Hui, Miao, jijiaozhishi with the town. At this point, and underground I lost contact,沈阳航空航天大学毕业设计（论文）摘 要本论文介绍了航空发动机后轴承机匣的工艺过程和工装设计。论文由三部分组成：第一部分是工艺规程设计，在这一部分当中，首先对零件总体结构和技术要求进行分析，然后进行了工艺路线的制定，机床工序设计，最后形成工艺
8、文件。第二部分是对靠模铣夹具设计的论述。该部分主要阐述了靠模铣夹具的特点和和原理，设计的主要问题，定位零件，夹紧机构，对刀装置，以及部分零件等的设计最后进行误差分析。第三部分是对钻模夹具设计的论述。该部分主要阐述了钻模夹具的特点及原理， 零件的选择和设计，定位夹紧机构的设计，并进行了误差分析。关键词：航空发动机；后轴承机匣；工艺规程；夹具*任务书装订在本页之前Title of Paper (in English)AbstractHere is the text of the abstract. Here is the text of the abstract. Here is the text
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15、xt of the abstract.Keywords: aero; back-bearing-case; the technical process; jig符 号 表a长度长度长度长度长度长度长度mw速度m/sc光速光速光速光速光速光速光速光速m/s系数系数系数系数系数系数系数系数系数p0环境压力环境压力环境压力环境压力MPa效率vf流体速度流体速度流体速度流体速度m/s如没有符号表，请将此页内容删除。目 录1 后轴承机匣工艺过程设计说明11.1 零件图的工艺分析11.1.1 零件的工作状态及工作条件11.1.2 零件的结构分析21.1.3 零件的其他技术要求41.1.4 零件的材料及切削加工性41.1.5 零件图尺寸标注分析41.1.6 为保证热处理质量的检验说明51.1.7 零件的工艺性分析51.2 工艺规程设计51.2.1 工艺规程的制定61.2.2 工序确定尺寸的92 铣床夹具设计（用于工序15）102.1 总体说明10
