梅雨季节高温潮湿天气对冲天炉熔炼带来不利影响，导致铸件气孔缺陷增加。
The high ambient temperature and damp weather has harmful influence on the cupola melting that causes increase of blow hole defect.
按发生机理分类，铸件气孔分为裹入气孔、侵入气孔、析出气孔和反应气孔四类。
Ac cording to their formation mechanisms, the blowhole defects are divided into four sorts including wrapped-in blowhole, penetrating blowhole, separating blowhole and reaction blowhole.
前言： 消除压铸件气孔的方法包含4个方面：熔炼、模具、压铸参数和分型剂。
Method used to reduce blow hole defects of die castings include 4 aspects:melting, pattern die. parameters of die casting process, and stripping agent.
我们必须避免机加工后在铸件商产生气孔。你们现在使用的铸钢是什么等级的？对于我方来说17级是最好的。
We need to avoid the air holes in the casting which appear after machining. What grade casting steel do you use?, for us grade 17 should be best.
所以常常容易因为溢流井与逃气道位置设计不当，使得铸件产生气孔的缺陷。
So often easily design overflow and air vent at inappropriate location, making casting generated gas hole.
分析了锡青铜叶轮铸件出现的缩孔、气孔、冲砂等缺陷的原因。
The reasons resulting in the shrinkage porosity, gas-hole and impacted sand in bronze castings were analyzed.
运用均衡凝固技术解决平板类铸件的夹渣，夹砂和气孔等缺陷，提高铸件质量，降低废品率。
Utilizes the balanced coagulation technology solution plate class casting the entrapped slag, the sand inclusion, flaws and so on blowhole, improves the casting quality, reduces rejection rate.
用此工艺焊补铸件，焊补区域与基体间没有明显的熔合线，无渣孔、气孔等缺陷。
By using this process to repair castings, there is no obvious separating line, no slag inclusion and gas hole between the welding zone and base metal.
最大的优点仍是减少生产周期，并且能铸造出含有最少量气孔的铸件。
Important advantages are still achieved in cycle time reduction and the ability to cast near net shape castings with minimal porosity.
分析了液压件铸件产生气孔缺陷的因素及解决的对策。
Analysed the factors for caused blowhole in hydraulic castings and action solved.
生产结果表明，铸件没有气孔、夹砂、夹渣、收缩等铸造缺陷，铸件品质稳定。
The result shows that there are no casting defects, such as shrinkages, blowholes, and slag inclusions and the quality of casting is steady.
生产结果表明，铸件无缩孔、气孔、夹渣缺陷，铸件工艺出品率95%。
The production shows that there is no shrinkage, blowhole and inclusion in the casting, the overall yield of the casting is 95%.
还介绍了一种防止镶铸件产生气孔等缺陷的简易方法。
The article also introduced a simple method of preventing blowhole and other casting defects in the Castings with inserts.
通过检测发现，铸件的表面和内部都存在气孔。
The results show that there are gas holes in the surface and the casting;
在对锡青铜离心轴套铸件的喇叭形气孔形貌进行分析的基础上，归纳出喇叭形气孔的形成机理。
Investigation on the loudspeaker shaped gas hole morphology in tin bronze sleeves cast by centrifugal casting have been carried out by optical and scanning electron microscope observation.
在试验及模拟生产条件下测定了铁水氧电势，并建立了氧电势与铸件皮下气孔之间的关系。
Under the experimental and simulated production conditions, the oxygen potential was measured, and the relation between oxygen potential and pinhole defects were created.
经批量生产验证，铸件内无缩孔、缩松缺陷，上表面无渣孔、气孔缺陷，工艺出品率81%。
Batch production shows there are no shrinkage cavity and porosity in casting, and no blowholes and sand inclusions on the top surface. The yield of the casting is 81%.
介绍用粘合剂修补铸件的砂眼、气孔等缺陷的方法。
The method by using the adhesive for repairing casting defects such as sand holes and air holes has been described in this article.
铁液含有过量的氧、氢、氮都能促使铸件产生气孔缺陷。
Molten iron containing excessive oxygen, hydrogen and nitrogen would promote the blowhole to form.
结果表明：铸件表面光洁，无砂眼、气孔等缺陷，铸件合格率高于90%；
The defects of sand-slag and gas-hole are absent in the water-cooling-sprayer whose surface is clean and qualified rate is more than 90%.
结果表明：铸件表面光洁，无砂眼、气孔等缺陷，铸件合格率高于90%；
The defects of sand-slag and gas-hole are absent in the water-cooling-sprayer whose surface is clean and qualified rate is more than 90%.
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