垂直抄取法是制造石棉水泥板的新方法。其原理与圆网水平抄取法基本相同。据了解,囤外很多国家都未作过此法介绍,我国亦无此法。垂直抄取机是美国约翰斯·曼维尔比利时分公司的专制设备。该公司有六条生产线,五条采用垂直抄取法,已有二十多年的生产史。现简介如下: 一、生产工艺流程 Vertical copying method is a new method of manufacturing asbestos cement board. The principle is basically the same as that of the rotary net horizontal copying method. It is understood that many foreign countries have not introduced this law, and China has no such method. The vertical machine is an authoritarian device of the United States Johns Manville Belgium. The company has six production lines, five vertical copying methods, and more than two decades of production history. Now is as follows: First, the production process