闭口孔型(closed pass)是2019年公布的冶金学名词,出自《冶金学名词》第二版。
tongue-and-groove method闭口式孔型轧制法、闭口孔直轧法 tongue-and-groove pass闭口孔型、直轧闭口孔型 tongue ratio舌比(挤压的半空心型材所包围的面积与型材开口处宽度平方之比) ..
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根据全息光弹实验结果得出的轧辊接触压力的分布规律,进而利用能量方法、轧压理论及厚壁筒理论对开口孔型、闭口孔型的轧辊接触压力进行计算。
The article bases on the result of elastic-optic experiment and uses the energy method, roll theory and thick tube theory to calculate the contact pressure in ringent and close section.
介绍了在角钢轧制中,开口切分孔型的优点和构成,并对开口及闭口切分孔进行了受力分析比较。
The advantage and forming of open slitting pass used in Angle steel rolling have been introduced.
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