2) butterfly pass
蝶式孔型
1.
Alteration rule of Z-type steel thickness in butterfly pass;
不等边不等厚Z字钢在蝶式孔型中厚度尺寸的变化规律
2.
In view of bad communion of butterfly pass system for angle steel,the structure was inproved of the pre-finishing pass.
针对角钢蝶式孔型系统存在共用性差等问题,结合蝶式孔型系统设计原理和生产实际,对成品前孔型结构进行了改进,并对蝶式孔型系统设计进行了优化,从而解决了成品孔型厚度尺寸不稳、孔型磨损不均及蝶式孔型共用性差的问题,使换辊换槽总时间缩短15%左右。
3) hole distribution
布孔方式
1.
Material Failure Process Analysis(MFPA~(2D)) code adopted to discuss the influence of hole distribution on the macroscopic mechanical behavior and failure mechanism of perforated materials from the viewpoints of microscopic mechanics and damage mechanics.
运用材料破坏过程分析MFPA2D系统,从细观力学和损伤力学角度,研究了布孔方式对孔洞材料宏观力学性能以及破坏机理的影响。
4) dry reaming
干式扩孔
1.
Study on dry reaming technology with ultrasonic Wave Excitation Reamer Bit;
超声振动干式扩孔的试验研究
5) dry reaming
干式铰孔
1.
Study on dry reaming technology with ultrasonic wave excitation reamer;
超声波激振铰刀干式铰孔试验研究
6) Cone roll piercing mill
菌式穿孔
1.
To get the law of metal deformation of the work piece being rolled with the cone roll piercing mill, rolling jamming experiment and measurements of wall thickness of different work-piece sizes were conducted, based on which law of the wall thickness variation is calculated and analyzed.
为研究菌式穿孔机穿孔时轧件金属的变形规律,进行了穿孔轧卡试验及变形区各断面轧件壁厚测量,计算分析了壁厚变化规律。
补充资料：第二孔(继发孔)型缺损
第二孔(继发孔)型缺损
ostium secondary defect
是心房间隔在形成上发生障碍，一般缺损较大，多在卵圆孔附近称第二孔(继发孔)型缺损。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条