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1.1. Standard drawing sheets with layoutStandard drawing sheets with layout 图纸幅面和格式 (( GB/T 14689—1993GB/T 14689—1993 ))
Title block Title block 标题栏(( GB/T 10609.1GB/T 10609.1——19891989 ))
Chinese characters should Chinese characters should be the “Fang Song”be the “Fang Song”汉字为长仿宋体汉字为长仿宋体
The font for all characters can be in italic fontThe font for all characters can be in italic font数字、字母均为斜体数字、字母均为斜体英国字例英国字例
Description 图 线 名 称
Line example图 线 型 式
Width图线宽度
Usage应 用 举 例
Continuous thick line 粗实线
dd To indicate visible outlines,edgesTo indicate visible outlines,edges 可见轮廓线,可见棱边线可见轮廓线,可见棱边线
Continuous thin line 细实线
d/2d/2 For fictitious outlines, dimensions, projection hatching For fictitious outlines, dimensions, projection hatching and leader lines, also for the outline of coincidence and leader lines, also for the outline of coincidence section, root of thread section, root of thread 尺寸线及尺寸界线、剖面线、重合断面的尺寸线及尺寸界线、剖面线、重合断面的轮廓线、螺纹的牙底线及齿轮的齿根线、引出线等轮廓线、螺纹的牙底线及齿轮的齿根线、引出线等
Irregular ( continuous thin ) line 波浪线
d/2d/2 Part sectional boundary lines or to terminate a part view, Part sectional boundary lines or to terminate a part view, and for short break line and for short break line 断裂处的边界线、视图与剖视的分界线断裂处的边界线、视图与剖视的分界线
Continuous thin straight line with intermittent zigzag 双折线
d/2d/2 To show a break on an adjacent member to which a To show a break on an adjacent member to which a component is attached component is attached 断裂处的边界线断裂处的边界线
Thick dashed line 粗虚线 dd Shown can be made surface-treatment. (Long line=12d,Shown can be made surface-treatment. (Long line=12d,granularity=3d) granularity=3d) 允许表面处理的表示线 允许表面处理的表示线 (( 画长画长 12d,12d, 短间隔长短间隔长 3d)3d)
Thin long dashed dotted line 细点画线
d/2d/2 Axis lines, symmetrical center lines, etc. (Long line=24d,Axis lines, symmetrical center lines, etc. (Long line=24d,granularity=6, granularity=6, dot=3d) =3d) 轴线、对称中心线、分度圆(线)、剖切轴线、对称中心线、分度圆(线)、剖切线、孔系分布的中心线等线、孔系分布的中心线等 (( 长画长长画长 24d,24d, 短间隔长短间隔长 3d,3d, 短画长短画长 =3d)=3d)
Thick long dashed dotted line 粗点画线
dd To indicate a cutting plane for sectional views. (Long To indicate a cutting plane for sectional views. (Long line=24d,granularity=6, line=24d,granularity=6, dot=3d) =3d) 限定范围表示线限定范围表示线 (( 长画长长画长 24d,24d,短间隔长短间隔长 3d,3d, 短画长短画长 =3d)=3d)
Thin long dashed double dotted line 细双点画线
d/2d/2 To indicate adjacent parts alternative and extreme To indicate adjacent parts alternative and extreme positions of moving parts, also to indicate imaginary line positions of moving parts, also to indicate imaginary line (Long line=24d,granularity=6, (Long line=24d,granularity=6, dot=3d) =3d) 相邻辅助零件的轮廓线、相邻辅助零件的轮廓线、可动零件的极限位置的轮廓线、中断线等可动零件的极限位置的轮廓线、中断线等 (( 长画长长画长 24d,24d, 短间隔长短间隔长 3d,3d,短画长短画长 =3d)=3d)
Line stylesLine styles 图线图线(( GB/T 4457.4—2002GB/T 4457.4—2002 ))
Line stylesLine styles 图线图线(( GB/T 4457.4—2002GB/T 4457.4—2002 ))
Axis line, thin dashed dotted line 轴线 细点画线
Center line, thin dashed dotted line 对称中心线 细点画线
Visible edges and outlines, continuous thick line 可见轮廓线 粗实线
Dimension line, continuous thin line 尺寸线 细实线
Extension line, continuous thin line 尺寸界线 细实线
Boundary between view and section view, continuous thin irregular line视图和剖视分界线 波浪线
The broken part, boundary, continuous thin straight line with intermittent zigzags断裂处的边界线 双折线