Using the principle of BP nerve net and the method of flexible coding to produce pipe codes, and bring into manufacturing lists, so pipe group manufacturing is realized and suitble pipe product line is choosed.

• 采用bp神经网络原理以及柔性编码方法对管子进行编码，生成加工明细表，实现管件族制造，并选择合适的管子生产线，生成工艺文件。