Disassembly design requires that detachability is regards as an aim of structural design at preliminary stage of product design . so connect structure of product is detached , manufactured maintained easily . meanwhile , recycled parts are recycled sufficiently and effectively after products are abandoned 可拆卸性设计要求在产品设计的初级阶段将可拆卸性作为结构设计的一个目的,使产品的连接结构易于拆卸,制造工艺性好,维护方便,并在产品废弃后可复用部分充分有效地再利用,达到节约资源和能源,保护环境的目的。