1) Pinhole defect
针孔缺陷
1.
Base d on the f ormation mechanism of pinhole defect in ductile castings, the production process of the bump housing and impeller of the oil transfer pump, which had been rejected totally due to severe pinhole defect, was improved including:(a) reducing moisture content of the molding sand from 7% to 5%;(b) adding 7.
根据球铁件针孔(皮下气孔)缺陷的形成机理,对针孔缺陷严重的球铁输油泵泵壳、叶轮的生产工艺进行了改进,包括:(1)将型砂水分由7%降低到5%;(2)型砂中加入7。
2) pinhole
[英]['pɪnhəʊl] [美]['pɪn'hol]
销孔，塞孔，针孔，引线孔;针眼(钢锭缺陷)
3) number of faults
缺陷数、(漆包线)、针孔数
4) needle_like defect
针状缺陷
5) acupressure defect
针压缺陷
1.
The field data and microscopic analysis of acupressure defects show that in the continuous annealing,the particle-like inclusions accumulated on the surface of the roller are the main factor caused the defect when there exists relative slide contact between the annealing furnace roller and the surface of stainless steel strip.
现场实测及针压缺陷的显微分析结果表明:在连续退火过程中,炉辊与不锈钢带表面存在相对滑动时,辊子表面积累的颗粒状异物是形成针压缺陷的主要原因。
6) blowhole defect
气孔缺陷
1.
It was believed after the reason analysis that the blowhole defect was caused by the gas evolution of sand cores after being heated and the improper pouring system design which leading to the gas immixture.
介绍了493Q气缸盖的铸造工艺,分析认为气孔缺陷是因砂芯受热分解与浇注系统不合理裹入气体导致。
补充资料：点缺陷(见晶体缺陷)
点缺陷(见晶体缺陷)
point defect
点缺陷point defeet见晶体缺陷。
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