1) standard elliptical head
标准椭圆形封头
1.
GB 150—1998 defines the value of Shape facor K and factor K1 of the standard elliptical head.
GB 150—1998对标准椭圆形封头形状系数K和系数K1的值作出了规定,但由于标准椭圆形封头分为两种情况,即:以内径为基准的和以外径为基准的,而GB 150—1998第7。
2) standard ellipsoidal head
标准椭圆封头
1.
The selection of several design parameters for standard ellipsoidal head were introduced.
针对标准椭圆封头强度计算中几个参数选取的常见问题 ,从实际、理论上加以分析 ,提出了自己的看
3) non-standard elliptical head
非标准椭圆封头
4) elliptical head
椭圆形封头
1.
The reinforcement structure for the axial nozzle at the edge of a elliptical head was introduced in this article.
介绍了在椭圆形封头外圆轴向安装接管的结构 ,开拓了在椭圆形封头外边缘轴向开孔补强的新领域。
2.
Taking standard elliptical heads as an example,the change of allowable stress within plate thickness caused by pressing allowance was made,that led the minimum thickness of the head could not meet strength requirement.
以标准椭圆形封头为算例,分析了加工裕量引起钢板跨厚度范围内许用应力值的变化导致封头最小厚度不能满足强度要求的问题,认为设计者在进行封头强度计算时应考虑冲压加工裕量可能产生的影响。
5) ellipsoidal header
椭圆形封头
1.
Based on Vdame calculation formula of ellipsoidal ball, deducing a very useful accurate calculation formula of ellipsoidal header surface area, as well as calculation formula for other parameters of ellipsidal header for reference of designers.
根据椭球的体积计算公式导出十分有用的椭圆形封头表面积的精确计算公式，并顺便给出椭圆形封头其他的参数计算公式，以供设计者参考。
6) Similar elliptic head
近似椭圆形封头
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