上海市每年需用40万立方米包装用材,其中箱档占10万立方米。原来箱挡是将薄板通过单轴多锯片圆锯机剖分而成的,加工下来的大量木屑,除少量用于工农业生产外,多数作为燃料烧掉了,资源没有充分利用。为此,上海市木材应用技术研究所与江湾木材厂等单位协 In Shanghai, 400,000 cubic meters of packaging materials are used each year, of which 100,000 cubic meters are boxed. The original box stop was formed by splitting the thin plate through a single-axis multi-blade circular saw. A large amount of sawdust was processed, except for a small amount used in industrial and agricultural production, most of which was burned as fuel and resources were not fully utilized. For this purpose, Shanghai Institute of Timber Application Technology and Jiangwan Woodworks, etc.