JB-T 2257.3-99板料折弯机 名词术语.pdf

ICS 25.120.10 J62 JB/T 2257.3－1999 板料折弯机 名词术语 1999-05-14 发布 2000-01-01 实施 国 家 机 械 工 业 局 发 布 JB/T 2257.3－1999 前言 1 范围····················································································································································································································1 2 机器名称·········································································································································································································1 3 技术规格·········································································································································································································1 4 主要零部件····································································································································································································4 5 其它··················································································································································································································21 附录 A （标准的附录） 弯曲校正机机器名称···························································································································24 I JB/T 2257.3－1999 前 言 本标准是对 JB 3893—85 《板料折弯机 名词术语》的修订。本标准与 JB 3893—85 的技术内容完 全一致，仅按有关规定重新进行了编辑。 本标准是板料折弯机系列标准的一部分。JB/T 2257 在《板料折弯机》的总标题下，包括以下三个 部分： 第 1 部分（即 JB/T 2257.1—1992）:技术条件 第 2 部分（即 JB/T 2257.2—1999