closed wind tunnel

This study focused on enclosing a steam-injection press,to eliminate any steam leakage,to produce low density(0.

闭式喷蒸热压克服了蒸汽泄漏的缺点,适合用于软质纤维板的生产。

Based on the analyses,traditional open forging process is changed,and closed-die forging with closed-flash process for the preforging is proposed.

在此基础上,对此类锻件传统的锻造工艺进行了改进,将预锻工序由开式模锻改进为封闭飞边闭式模锻。

Adopting 3D finite element simulation software DEF0RM-3D, the simulation is employed to examine the closed-die forging process in bevel gear.

采用有限元数值模拟软件DEFORM-3D对螺旋齿轮的闭式模锻工艺进行了数值模拟分析,选择了温度、摩擦因子、模数、螺旋角、锥角等参数,进行了多次模拟,得到成形过程中的等效应力、应变分布图以及载荷—行程曲线图。

Introduce the new style obturation facility of garbage compactor .

介绍了一种新型密闭式垃圾压缩存贮设备的结构组成和工作原理,该设备设计新颖,操作方便,是环卫设备的理想产品。

Taking the shaft of automobile gearbox as an example,a multi-step cold-forging technology for manufacturing the multi-diameter shaft on ordinary hydraulic presses by adopting open-die cold extrusion and close-die upsetting was stated.

以汽车变速箱二轴锻件为例,介绍了在通用液压机上采用开式冷挤压与闭式冷镦相结合的成形方法锻制阶梯轴的一种多工步冷锻工艺。

Influence on anti-corrosive pump performance by investment casting closed impeller;

精密铸造闭式叶轮耐腐蚀泵的性能

The heating assembly is generally applied for the closed impeller wheel and axle in the large-scale compressor group.

大型压缩机组用闭式叶轮多采用轴与轮毂全接触形式进行热装,过盈量一般按经验值选取。