矿 山、冶金、重型和化工机械生产特点是品种多、批量少生产周期短。本文介绍一种美国在单件、中小批量生产所采用的柔性化加工法兰盘和端盖类零件的通用可调钻模 ,其特点是结构简单、成本低廉加工精度高 ,可一模多用 ,而且调整简单、使用方便 ,产品变型可以继续使用。1结构和 Mines, metallurgy, heavy and chemical machinery production is characterized by many varieties, less batch production cycle is short. This article introduces a universal adjustable drilling die for flexible flanges and end caps used by the United States in one-piece, medium and small-batch production. The utility model is characterized by simple structure, low cost, high processing precision, And the adjustment is simple, easy to use, product variants can continue to use. 1 structure and