一、行业情况 从世界范围讲,包装机械有着传统的工艺,至今人们对其大部分技术还了解得很不够,以致最新设计的机型,也还是在经验和工艺方法的基础上发展起来的,这是由于包装成型、充填、封口中的大量未知功能与包装机、包装材料和被包装产品之间有着密切的联系。在近三十年来人们才对积累的经验 First, the industry situation From the world, the packaging machinery has a traditional process, so far most people know most of its technology is not enough, so that the latest design of the model, but also still based on experience and technology developed, This is due to the fact that a large number of unknown functions in packaging, filling and sealing are closely related to packaging machines, packaging materials and packaged products. In the past three decades, people only accumulated experience