GBT4457.4-2002-机械制图图样画法图线.pdf

《GBT4457.4-2002-机械制图图样画法图线.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、ICS01.100.20J04中华人民共和国国家标准GB/T4457.4-2002代替GB/T4457.4--1984机械制图图样画法图线Mechanicaldrawings-Generalprinciplesofpresentation-Lines(ISO128-24:1999,Technicaldrawings-Generalprinciplesofpresentation-Part24:Linesonmechanicalengineeringdrawing,MOD)2002-09-06发布2003-04-01实施中华人民共和国发布国家质量监督检验检疫总局GB/T4457.

2、4-2002目次前言·.......................................................................................................................班1范围·....................................................................................................................12规范性引用文件································

3、·····················································.··.......⋯⋯13基本要求······································································································，··⋯⋯14线型及其应用·············································································，·········，·······⋯⋯15图线宽度和图线

4、组别····························，································⋯⋯，⋯⋯，......⋯⋯3附录A(资料性附录)线型的应用示例·····································································⋯⋯4参考文献································································，·······，·······························⋯⋯13表〕线型及应用······

5、·················································································⋯⋯，·，.，⋯1表2图线宽度和图线组别··········································‘·······················....................⋯⋯3表A.1线型的应用示例······················，··············································，········，········⋯⋯4G

6、B/T4457.4-2002Hli舀本部分是《机械制图图样画法》系列国家标准之一。下面列出了这些国家标准的预计结构及其对应的国际标准，以及将代替的国家标准。—GB/T4457.4-2002机械制图图样画法图线(ISO128-24，代替GB/T4457.4-1984)—(;B/T4458.1-2002机械制图图样画法视图(ISO128-34，代替GB/T4458.1-1984)-GB/T'4458.62002机械制图图样画法剖视图和断面图(ISO128-44，代替GB/T4458.1一1984)本部分对应于ISO128-24;1999《技术制图图样画法机械工程制图用图线)(英文版

7、)。本部分与ISO128-24:1999的一致性程度为修改采用，主要差异如下:在表1和表2中增加了01.1.16,01.1.18,01.2.3,01.2.6,04.1.5和。5.1.10线型应用及示例;—一删去了。4.2.2剖切平面的位置线;—更换了01.1.4中基准线图例;—在01.1.12中增加了分界线及其示例;—一增加了参考文献。本部分代替(;B/T4457.4-1984《机械制图图线》。本部分与(;B/T4457.4-1984相比主要变化如下:—增加了。2.2粗虚线及其应用;粗线与细