《机械制造技术课程设计-叉杆的加工工艺及钻M8螺纹孔夹具设计【全套图纸】》.doc
《《机械制造技术课程设计-叉杆的加工工艺及钻M8螺纹孔夹具设计【全套图纸】》.doc》由会员分享,可在线阅读,更多相关《《机械制造技术课程设计-叉杆的加工工艺及钻M8螺纹孔夹具设计【全套图纸】》.doc(20页珍藏版)》请在三一文库上搜索。
1、提供各专业全套设计设计说明书叉杆的工艺及钻M8螺纹孔夹具设计院 系:专 业: 班 级: 姓 名: 学 号: 指导老师: 摘要本设计的零件为叉杆,选用QT40-10钢。根据零件的形状、尺寸精度、生产的经济效益等各方面的详细分析其加工工艺,多采用专用机床加工。通过对零件的分析,此轴要求精度高,工序适当集中,要求光滑,所以选用工具和尺寸要准。最后对零件进行校核。以便达到零件精度的要求。关键词:夹具、校核、工艺设计全套图纸,加153893706Abstract:This design components are a beam holder.Selects the QT40-10 steel.Acco
2、rding to the components shape, the size precision, the production economic efficiency and so on various aspects multianalysis its processing craft, uses the special purpose machine processing much. Through to the components analysis, this axis required accuracy is high, the working procedure suitabl
3、e centralism, the request is smooth, therefore selects the tool and the size wants.Finally carries on the examination to the components.In order to achieve the components precision the request.Key word:Jig, examination, technological design目 录 前言11.设计的目的22、机械制造工艺要求的基本任务和要求22.1、基本任务22.2、设计要求23、机械制造工艺
4、课程设计的方法和步骤43.1、零件分析43.2、选材43.3、材料特性53.4、毛坯63.6 加工工艺路线73.7确定工序尺寸及其公差93.8确定切削用量103.8机床及工艺设备的选择104、夹具设计124.1问题的提出124.2定位基准的选择124.3切削力和夹紧力的计算124.4定位误差分析134.5夹具设计及操作的简要说明13总 结14致 谢15参 考 文 献16Opinions and suggestions on the partys mass line educational practiceAccording to the central and provincial, muni
5、cipal unified deployment, according to municipal Party committee about carrying out the partys mass line educational practice activity in the citys implementation opinions, the spirit of the partys mass line educational practice activities from 20* in January to 99 months, carried out at all levels
6、of departments and directly affiliated institutions and grass-roots party organizations. According to my actual County, the county to carry out the education practice put forward the following implementation opinions.First, the overall requirementsCounty county education practice to the eighteen Par
7、ty of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as the guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly implement the Central Committee really, opinions and advice , party implementing
8、 the guiding ideology of opinions to determine the objectives and requirements, step method, in accordance with the look in the mirror, dress up, wash bath, cure treatment, the general requirements of for the people pragmatic honest people as the theme, in carrying forward the spirit of Zhuanglang Z
9、huang, improve their work style, service to the masses of the people, the foundation of consolidating grassroots, promote transformation across efforts, to further implement the central eight regulations and The opposition party and government austerity waste regulations , double section provincial
10、regulations, municipal provisions of the twelve plan and the implementation measures for on improving the work style of close ties with the masses law, highlight style building, carry out the whole wind spirit, resolutely oppose formalism, bureaucracy, hedonism and wasteful extravagance to solve the
11、 problems, Party members and cadres of the style and the masses of people strong, the Ministry of Party members and cadres to further improve their thinking and understanding, to further change the style of the wind, the masses to close, honest and pragmatic people honest image to further establish
12、the foundation to further reinforce the basic level. Style of the building of the new results to promote the construction of a powerful force of the county and the ecological culture of the county and county construction.In educational practice activities of the unit is mainly: the county and below
13、county departments under the organs, enterprises and institutions directly under the township, street, and community, village, non-public economic organizations, social organizations and other grass-roots organizations. Agencies and branches, each single unit, follow the rules on internal institutio
14、ns. Educational practice with step by step.To adhere to the county leadership, leadership and leading cadres to focus on outstanding catch to directly contact the service of the masses of law supervision departments and window units, service industry, educational practice, pay attention to grasp the
15、 heavy towns, streets and villages, community education activities and the masses of grassroots groups in close contact to strengthen, and the majority of Party members, cadres and the mass line line Marx doctrine view of the masses and the partys education.Always speak seriously as a basic attitude
16、, adhere to positive education, to carry out criticism and self criticism group, adhere to the pragmatic, more emphasis on leadership, pay more attention to the layers of the demonstration, more focus on the four winds, solve the problem, pay more attention to open the door, the participation of the
17、 masses, pay more attention to the classification guidance. Orderly, pay more attention to the cooperation and cohesion driven, more strict requirements on injection, really supervision practice, ensure education practice is not empty is not empty is not partial, not as a mere formality.Two, the key
18、 point of the taskThe main task of the countys education practice is to seize against four wind this focus on centralized solve outstanding problems asked County, township leadership and leading cadres of the four winds, the disadvantages of the style, scale behavior to a large scale investigation,
19、overhaul, cleaning greatly. At the same time, respond to the concerns of the masses, safeguard the interests of the masses, pay attention to solve practical problems, solve the people around the unwholesome tendencies especially on eat, take the card, Yong lazy luxury, extravagance and waste fees, p
20、rivileges and other issues, timely and effective, without any discount to solve, to improve the style of real implementation of the requirements of real to the grassroots, real let group Benefit the public.(a) focus on solving the four winds outstanding issuesThe central and provincial requirements,
21、 the county leadership and leading cadres of key performance concept is not correct, do not dare to play, to engage in image project, political project, a leadership guide, a set of ideas, orders and prohibitions, and a policy, there are countermeasures county. The units directly under the heavy foc
22、us on solving Yung lazy drag, buck passing skin, work is not implemented, the service is not active. The dynamic problem of law enforcement and supervision departments and window units, service industry mainly solve the door hard, ugly face, something difficult, and arbitrary charges, fines, levies,
23、 and breach of privilege, chinakayao, not the problem of law. The township, street The collar of leading bodies and leading cadres to solve key does nottheir own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand. To establi
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