机电工程学院2003年同等学力考研加试题(机械设计)考号: : 报考专业: 一问答题(每小题5分共40分)提高液体摩擦动压径向滑动轴承承载能力的具体措施有哪些2形成流体动压润滑(动压油膜)的必要条件是什么3滚子链传动的主要失效形式有哪些4试述带传动中的两种滑动以及它们对带传动工作的影响5提高螺栓联接强度的方法有哪些6齿轮转
3 机电工程学院2003年同等学历考研加试题(机械原理)考号::报考专业:一、以图中机构形成过程(引入约束构成运动副)为例说明平面机构自由度计算式F=3n-2pl-ph 的具体含义,(其中: n活动构件数;pl低副数;ph高副数)。(20分)(c)(b)(a)(d)(e)二、图示为凸轮杠杆机构的运动简图。凸轮1为原动件沿逆时针方向转动,通过杠杆2提起重物Q=150 N,设摩擦角φ=15°,摩
2003年下半年江苏省高等教育自学考试27962机械设计基础一单项选择题(在下列每小题备选答案中选出一个正确答案并将其字母标号填入题干的括号内每小题1分共10分)1.机构中构件是( )A.加工单元B.运动单元C.自由度为零的系统D.即为通常所指的零件2.连杆机构作为夹具使用时往往利用连杆机构的( )A.急回特性 B.低副特性C.死点位置特性D.转动变为摆动的运动转换特性3.
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Created with an evaluation copy of Aspose.Words. To discover the full versions of our APIs please visit: :products.asposewords厦门大学826机械设计基础2001—2012历年考研真题 QQ:532342890提供
Evaluation Only. Created with Aspose.Words. Copyright 2003-2022 Aspose Pty Ltd.Created with an evaluation copy of Aspose.Words. To discover the full versions of our APIs please visit: :products.a
Evaluation Only. Created with Aspose.Words. Copyright 2003-2022 Aspose Pty Ltd.Created with an evaluation copy of Aspose.Words. To discover the full versions of our APIs please visit: :products.a
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Created with an evaluation copy of Aspose.Words. To discover the full versions of our APIs please visit: :products.asposewordsCreated with an evaluation copy of Aspose.Words. To discover t
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