湖州市技师学院2012学年第一学期《机械制造工艺基础》试卷

湖州市技师学院2012学年第一学期《机械制造工艺基础》试卷 湖州市技师学院2012学年第一学期期中考试 《机械制造工艺基础》,安徽班, 学校 班级 姓名 得分 一、填空题,每空一分,共 30 分, 1 、机械制造工艺过程一般是 ? ? ?机械。 2 、自由锻的基本工序有镦粗、 、冲孔、 、 、切割等。 3 、砂型铸造的工艺过程包括以下内容,造芯、造型、合箱、 、 、 、 、清理 等组成。 。 4 、用造型混合料及模样等工艺装备制造铸型的过程称为 5 、浇注系统由 、直浇道、横浇道和 组成。 6 、用手工或机械使铸件和 、 分开的操作称为落砂。从铸件中去除芯砂和芯骨的操作为 。 7 、锻造分为 和 两大类。 8 、锻件的始锻温度到终锻温度的间隔为 。 9 、锻件的冷却方法有,空冷、堆冷、 、 、 。 10 、刀具切削部分材料除了具备高的硬度、良好的耐磨性、足够的强度和韧性、 还应具备良好的 。 11 、焊条是涂有 的供 用的熔化电极。 ,最常用的是 。 12 、利用气体火焰作热源的焊接方法是 13 、切削加工分为 、 两部分。 14 、切削运动中,切除工件表面多余材料所需的最基本运动称 。 attention to improving the quality and efficiency of development and pay more attention to security and reform the people's livelihood, more focus on maintaining social harmony and stability, and promote the development of township economy in a better and faster, create a new normal XX development and lay a more solid foundation for XX build a well-off society. Completed tasks this year, we must always pay special attention to the primary task of development. XX weak economic base, low levels of development, economic construction is the Center, we have to create conditions for faster economic development, accumulating more wealth, better people's lives. Effort should be made to this year's economic growth, revenue growth, people have maintained a high rate of income growth, GDP growth of more than 15 per cent respectively. Always grasp the fundamental impetus for reform. We are now "no soldiers behind" many indicators ranked in the bottom of the county from getting bigger. Only by going all out to hard work, hard work, innovation, reform does not adapt to institutional mechanisms, practices, it is possible to change the face of XX poor, into a well-off society together with people across the country. We want to break the old patterns of thinking, methods and organization of work, bravely and boldly into, making full use of all the advantages, comprehensive reforms, to make all its vitality for development impulse, let full play to all sources of wealth creation. Should always stability 二、 判断题,每题 2 分,共 20 分,在正确的后面打“?”,错误的后面打“×”, 1 2 3 4 5 6 7 8 9 10 1 、铸造可获得外形及内腔复杂的铸件。 , , 2 、砂型铸造中,型砂的强度差容易产生夹砂、砂眼及粘性等铸造缺陷。 , , 3 、金属的塑性越好、其可锻性越好。 , , 4 、自由锻冲孔时,为便于从配料中取出冲子,应该在冲孔位置加一些石英粉。 , , 5 、焊接和铆接一样属于不可拆连接。 , , 6 、气焊主要用于单件,小批量生产或维修中。 , , 7 、浇口杯用以承接并导入熔融金属,缓和熔融金属对铸型的冲击。 , , 8 、铸件在凝固过程中补缩不良会导致出现气孔。 , , 9 、铣削加工时,铣刀刀齿的切削是断续的。 , , 10 、铣削时,刀具正转、反转都会切下刀屑。 , , 三、单项选择题,每题 2 分,共 20 分, 1 2 3 4 5 6 7 8 9 10 1 、模样上制造起模斜度有利于 , , A 、防止铸件粘砂 B 、防止应力集中而产生裂纹 C 、防止粘砂 D 、起模 2 、砂型铸造中,成形后的砂型及芯型 , , A 、均不需要烘干 B 、均要烘干 C 、一般型芯都需烘干 D 、一般砂型都需烘干 3 、浇黄铜的浇注温度一般在 , , A 、 1340 ? B 、 1200 ? C 、 1060 ? D 、 1600 ? attention to improving the quality and efficiency of development and pay more attention to security and reform the people's livelihood, more focus on maintaining social harmony and stability, and promote the development of township economy in a better and faster, create a new normal XX development and lay a more solid foundation for XX build a well-off society. Completed tasks this year, we must always pay special attention to the primary task of development. XX weak economic base, low levels of development, economic construction is the Center, we have to create conditions for faster economic development, accumulating more wealth, better people's lives. Effort should be made to this year's economic growth, revenue growth, people have maintained a high rate of income growth, GDP growth of more than 15 per cent respectively. Always grasp the fundamental impetus for reform. We are now "no soldiers behind" many indicators ranked in the bottom of the county from getting bigger. Only by going all out to hard work, hard work, innovation, reform does not adapt to institutional mechanisms, practices, it is possible to change the face of XX poor, into a well-off society together with people across the country. We want to break the old patterns of thinking, methods and organization of work, bravely and boldly into, making full use of all the advantages, comprehensive reforms, to make all its vitality for development impulse, let full play to all sources of wealth creation. Should always stability 4 、防止铸件产生气孔的方法有 , , A 、减少造型材料中的水分 B 、提高浇注速度 C 、增加发气物质 D 、减少壁厚 5 、自由锻扩孔时 , , A 、空心毛坯壁厚增加 B 、内径减小 C 、外径减小 D 、内、外径均增加 6 、选择定位基准时,粗基准可以使用 次。 , , A 、 4 B 、 3 C 、 1 D 、 2 7 制定零件工艺 规程 煤矿测量规程下载煤矿测量规程下载配电网检修规程下载地籍调查规程pdf稳定性研究规程下载 时,首先确定的基准是 , , A 、设计基准 B 、装配基准 C 、定位基准 D 、工序基准 8 、一个工序的定义,强调的是 , , A 、只能加工一个工件 B 、工作地点固定与工作连续 C 、只能在一台机车上完成 D 、只能是一个工人完成 9 、精基准选择采用基准重合原则,可获得 , , A 、夹具设计简单 B 、无基准不重合误差 C 、保证基准统一 D 、切除余量均匀 10 、车削工件过程中,四方刀架的每次转位意味着变换一个 , , A 、工序 B 、工位 C 、安装 D 、工步 四、问答题,每题 6 分,共 30 分, 1、 什么是工艺过程,为什么它在生产中占有重要地位, attention to improving the quality and efficiency of development and pay more attention to security and reform the people's livelihood, more focus on maintaining social harmony and stability, and promote the development of township economy in a better and faster, create a new normal XX development and lay a more solid foundation for XX build a well-off society. Completed tasks this year, we must always pay special attention to the primary task of development. XX weak economic base, low levels of development, economic construction is the Center, we have to create conditions for faster economic development, accumulating more wealth, better people's lives. Effort should be made to this year's economic growth, revenue growth, people have maintained a high rate of income growth, GDP growth of more than 15 per cent respectively. Always grasp the fundamental impetus for reform. We are now "no soldiers behind" many indicators ranked in the bottom of the county from getting bigger. Only by going all out to hard work, hard work, innovation, reform does not adapt to institutional mechanisms, practices, it is possible to change the face of XX poor, into a well-off society together with people across the country. We want to break the old patterns of thinking, methods and organization of work, bravely and boldly into, making full use of all the advantages, comprehensive reforms, to make all its vitality for development impulse, let full play to all sources of wealth creation. Should always stability 2、何谓自由锻,自由锻工序有哪些, 3、什么是主运动,什么是进给运动, 4、什么是加工精度,它包括哪几个方面, 5、什么是车削,车削有哪些主要内容, attention to improving the quality and efficiency of development and pay more attention to security and reform the people's livelihood, more focus on maintaining social harmony and stability, and promote the development of township economy in a better and faster, create a new normal XX development and lay a more solid foundation for XX build a well-off society. Completed tasks this year, we must always pay special attention to the primary task of development. XX weak economic base, low levels of development, economic construction is the Center, we have to create conditions for faster economic development, accumulating more wealth, better people's lives. Effort should be made to this year's economic growth, revenue growth, people have maintained a high rate of income growth, GDP growth of more than 15 per cent respectively. Always grasp the fundamental impetus for reform. We are now "no soldiers behind" many indicators ranked in the bottom of the county from getting bigger. Only by going all out to hard work, hard work, innovation, reform does not adapt to institutional mechanisms, practices, it is possible to change the face of XX poor, into a well-off society together with people across the country. We want to break the old patterns of thinking, methods and organization of work, bravely and boldly into, making full use of all the advantages, comprehensive reforms, to make all its vitality for development impulse, let full play to all sources of wealth creation. Should always stability attention to improving the quality and efficiency of development and pay more attention to security and reform the people's livelihood, more focus on maintaining social harmony and stability, and promote the development of township economy in a better and faster, create a new normal XX development and lay a more solid foundation for XX build a well-off society. Completed tasks this year, we must always pay special attention to the primary task of development. XX weak economic base, low levels of development, economic construction is the Center, we have to create conditions for faster economic development, accumulating more wealth, better people's lives. Effort should be made to this year's economic growth, revenue growth, people have maintained a high rate of income growth, GDP growth of more than 15 per cent respectively. Always grasp the fundamental impetus for reform. We are now "no soldiers behind" many indicators ranked in the bottom of the county from getting bigger. Only by going all out to hard work, hard work, innovation, reform does not adapt to institutional mechanisms, practices, it is possible to change the face of XX poor, into a well-off society together with people across the country. We want to break the old patterns of thinking, methods and organization of work, bravely and boldly into, making full use of all the advantages, comprehensive reforms, to make all its vitality for development impulse, let full play to all sources of wealth creation. Should always stability