壳体

Drill bit shell; warm extrusion punch; contact analysis; equivalent stress

中文关键字：钎头壳体；温挤压凸模；接触分析；等效应力

The forming process of a warm extrusion concave die about the drilling bit shell was simulated numerically with contact analysis modules in ANSYS.

运用有限元分析软件ANSYS的接触分析，对凿岩钎头壳体温挤压成型凹模进行了数值模拟。

Mount gearbox on housing, assuring that coup ling key slot accepts gearbox shaft key properly.

在壳体上安装齿轮箱，确保齿轮箱轴键妥当地固定在耦合键槽中。

The actual content includes: Ventilates the way the choice, the gross structure plan determination, the axis design and the examination computation, impeller's design examines and examines the computation, guide vane's design calculation, sparse class cover, diffuser and current collector design and choice, shell's design, ventilator muffler design, electrical machinery's choice and fixed way design, components and so on shaft coupling, key and flange shaping examinations.

具体内容包括：通风方式的选择，总体结构方案的确定，轴的设计和校核计算，叶轮的设计和校核计算，导叶的设计计算，疏流罩、扩散器和集流器的设计和选择，壳体的设计，通风机消声装置的设计，电机的选择和固定方式的设计，联轴器、键和法兰等零件的选型校核。

The actual content includes:Ventilates the way the choice,the gross structure plan determination,the axis design and the examination computation,impeller''s design examines and examines the computation,guide vane''s design calculation,sparse class cover,diffuser and current collector design and choice,shell''s des ign,ventilator muffler design,electrical mac你好nery''s choice and fixed way design,components and so on shaft coupling,key and flange shaping examinations.

本次设计的内容是对JBT62轴流式透风机总体方案以及透风机总体结构设计，机械传动部分设计，对轴流风机工作原理，主要工况参数的意义的掌握。具体内容包孕：透风体式格局的选择，总体结构方案的确定，轴的设计以及校核计算，叶轮的设计以及校核计算，导叶的设计计算，疏流罩、扩散器以及集流器的设计以及选择，壳体的设计，透风机消声装置的设计，电机的选择以及固定体式格局的设计，联轴器、键以及法兰等零件的选型校核。

An isolating plate matching with the rotor in sliding way is arranged in the shell. An isolating plate sliding hole is opened on the shell wall between the closer inlet hole and the outlet hole. A sealing member is arranged in the isolating plate sliding hole.

其特征是在带有中心轴孔和进、出孔的壳体内通过中心轴设有侧面呈斜面的圆形转子，并设有与转子滑配的隔板，在两个相近的进、出孔间的壳壁上开有隔板滑孔，在隔板滑孔内设有密封件。

Seal between the screw and the shell surface is a curved surface.

螺杆与壳体之间的密封面是一个空间曲面。

Screw and the sealing surface between the shell is a curved space.

螺杆取壳体之间的密启里非一个空间直里。

The result indicates that two bullet shells can b e kept as integrity.The center grain is protected well and the criterion of the explosive safety is verified.

结果表明：两种壳体完整，均对中心装药起到了很好的保护作用，黑索金炸药安定性判据合格，为携药子弹壳厚选择及炸药安定性能的研究提供了依据。

Aiming at the problems of monitoring the working status and safety of deep-sea cage farming, an underwater monitor composed of an enclosure case, sealed camera units and video control, sending and receiving sets, etc. was developed.

适应深水网箱养殖状况观察和安全监控，研制一种由外罩壳体、水下密封探头、控制器、发射机和接收机等部件组成的深水网箱水下监视器。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了