JBT 54844-1999 龙门铣床 产品质量分等

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1、J54JB/T54844－1999龙门铣床产品质量分等（内部使用）1999-06-09发布2000-01-01实施国家机械工业局发布JB/T54844－1999目次前言1范围··········································································································································································································

2、··········12引用标准·········································································································································································································13质量等级··································································

3、·······································································································································2附录A（标准的附录）龙门铣床精度三级分等表·················································································································17附录B（标准的附录）龙门铣床的补充

4、试验····························································································································21IJB/T54844－1999前言本标准是对JB/T54844—93《龙门铣床产品质量分等》的修订。本标准是对JB/T54201—1994《金属切削机床产品质量通用分等》的补充和具体化。它是产品质量考核、分等定级、优质优价的依据。本标准与JB/T54844—93的主要差异是：——第2章“引用标准”作了较大修改；——由于“

5、引用标准”的修改，有关的技术内容也作了相应的增减；——“安全卫生”一章中增加了“一般应有符合安全设计的三级防护措施”的要求，其有关条文也作了适当的调整；——按有关规定进行了编辑性修改。本标准自实施之日起代替JB/T54844—93。本标准的附录A和附录B都是标准的附录。本标准由全国金属切削机床标准化技术委员会提出。本标准由全国金属切削机床标准化技术委员会铣床分会归口。本标准负责起草单位：北京第一机床厂。本标准于1986年首次发布，1993年第一次修订。II中华人民共和国机械行业标准JB/T54844－1999龙门铣床产品质量分等代替JB/T54844—93（内部使用）1范

6、围本标准规定了一般用途的工作台移动式龙门铣床和龙门镗铣床的产品质量等级要求。本标准适用于工作台台面宽度1000~5000mm的一般用途工作台移动式龙门铣床和龙门镗铣床。2引用标准下列标准所包含的条文，通过在本标准中引用而构成为本标准的条文。本标准出版时，所示版本均为有效。所有标准都会被修订，使用本标准的各方应探讨使用下列标准最新版本的可能性。GB/T3837.1—1983机床工具7∶24圆锥联结主轴端部GB/T5226.1—1996工业机械电气设备第1部分：通用技术条件GB/T6576—1986机床润滑系统GB/T7932—1987气动系统通用技术条件GB/T9061—1

7、988金属切削机床通用技术条件GB/T13306—1991标牌GB/T15375—1994金属切削机床型号编制方法GB15760—1995金属切削机床安全防护通用技术条件GB/T16769—1997金属切削机床噪声声压级测量方法JB/T3027—1993龙门铣床参数JB/T3028—1993龙门铣床精度JB/T3029—1993龙门铣床技术条件JB/T3997—1994金属切削机床灰铸铁件技术条件JB/T5563—1991金属切削机床圆锥表面涂色法检验及评定JB/T8356.1—1996机床包装技术条件JB/T8356.2—1