JB／T 3228-1999 闭式机械压力机 紧固模具用槽、打

ICS 25.120.10 J62 JB/T 3228－1999 闭 式 机 械 压 力 机 紧固模具用槽、打（顶）杆孔的 分 布 形 式 与 尺 寸 1999-05-14 发布 2000-01-01 实施 国 家 机 械 工 业 局 发 布 JB/T 3228－1999 目 次 前言 1 范围····················································································································································································································1 2 术语····················································································································································································································1 3 滑块、工作台板、T 形槽、打（顶）杆孔的分布形式与尺寸·······················································································1 4 T 形槽、打（顶）杆孔的型式与尺寸···········································································································································2 I JB/T 3228－1999 前 言 本标准是对 JB 3228—83 《闭式机械压力机 紧固模具用槽、打（顶）杆孔的分布形式与尺寸》的 修订。本标准与 JB 3228—83 的技术内容基本一致，仅按有关规定重新进行了编辑。 本标准自 2000 年 1 月 1 日起实施。 本标准自实施之日起代替 JB 3228—83 。 本标准由全国锻压机械标准化技术委员会提出并归口。 本标准起草单位：济南第二机床厂、上海锻压机床厂、营口锻压机床厂等。 本标准于 1983 年 5 月首次发布。 II 中 华 人 民 共 和 国 机 械 行 业 标 准 JB/T 3228 －1999 闭 式 机 械 压 力 机 紧固模具用槽、打（顶）杆孔的 代替 JB 3228—83 分 布 形 式 与 尺 寸 1 范围 本标准规定了闭式机械压力机紧固模具用槽、打（顶）杆孔的分布形式与尺寸。 本标准适用于公称力 1600~25000 kN 的闭式单点、双点、四点单动压力机，闭式单点、双点、四点 双动拉伸