潮模砂膨胀始终是一个令人头痛的问题。本文分析了四种常见潮模缺陷的原因及其防止方法。根据其严重程度,这四种常见的缺陷依次为:夹砂、凹陷、结疤、垮箱。在讨论如何消除这些缺陷之前,必须首先了解形成这些缺馅的机理。 Inflatable tide sand is always a headache problem. This article analyzes the causes of four common tide mold defects and their prevention methods. According to their severity, these four common defects are: sand, depression, scar, collapse box. Before discussing how to eliminate these deficiencies, you must first understand the mechanisms by which these deficits are formed.