所有压铸件在表面和内部都有缺陷,只要压铸件能达到基本设计要求(例如密封性、或强度、或反射性),一般情况下并不要紧。最理想的是,压铸工作者能将缺陷定性(缺陷的类型)和定量(大小和数量)地控制在容许范围内,以便确定应采取何种补救措施。目前,还没有这方面的标准,据知,在明、后两年内,这项工作一定会着手解 All die-castings have imperfections both on the surface and in the interior. It does not matter as long as die-castings meet basic design requirements such as tightness, or strength, or reflectivity. Ideally, die-cast workers will be able to characterize defects (types of defects) and quantify (size and quantity) within acceptable limits in order to determine what remedies to take. At present, there is no standard in this respect. It is known that in the next two years this work will certainly be tackled