Analysis on forced pick while shearer machine oblique cutting and feeding;
滚筒采煤机斜切进刀过程截齿受力分析
Introduces in this paper different ways of making unfolded surface drawings of tilted-cutting pipes and compared their advantages and disadvantages.
介绍应用不同方法作斜切圆管表面展开图,比较不同方法的优缺点,可根据不同的工作条件选用不同的展开法。
On the basis of experiment results from rock fragmentation by slantly penetrated cutting toolsthe drilling process of large cutting element drill bits is analysed and the penetration rate formulae for large cutting element drill bits in the case of rotary drilling is also derived.
根据刃具斜切入破岩的一些试验研究成果，分析了大切削具钻头的钻进过程，推导出了大切削具钻头进行回转钻进的机械钻速公式。
The design includes choosing the inlet center line and area regularity,the beveled lip,and so on.
根据现役无人机进气道的结构特点,以后置两侧布局的S弯进气道作为研究对象,完成了一种大偏距、短扩压S弯进气道设计,设计包括中心线、面积变化规律选取以及斜切唇口等;并且对设计模型进行风洞实验研究,得到进气道的速度特性、攻角特性和偏航角特性等。