1-1国家标准有关制图方面的基本规定.ppt

§1-1 国家标准有关制图方面的基本规定;一 、图纸幅面和格式（GB/T14689-1993）;2.图框格式和尺寸 国家标准规定在图样上必须用粗实线画出图框，图框的格式有两种：⑴ 不留装订边 ⑵ 留装订边 如果不留装订边则图纸不论是横装还是竖装，在绘制图框时均从图纸的各边线往里量10（或20）mm，即表1-1中的尺寸e 。;;;;;;;1.各种图线作图要求;2.注意事项;;;1.基本规则;; 2）尺寸线;3.尺寸注法 1）角度的尺寸标注 标注角度尺寸的尺寸线为一圆弧； 角度的尺寸数字应水平书写。;;;;2sThh6Qh-TDdDvnqkf(MXpi-lX8qBp3(e%ipWcARFb88XCYyJM8WL#MbJO68(2d5fSs5*TpplF8$MDvgCBEk6eDbY6my!(5$n7ept6S3fdwhRZ822Bv2et)2eZ8CSSiAOiJizMUVJGq(ZksM10xLo#(oubI!vuAx+b6#vGEsu$FNESVHKU5oUbX$4Mn(EDGlet37nKrgsH9%#ZrQ)w4jeMD#$RchbQyDlp$(zFBBHCf(LXWhCzje!MY5jm59Vu%E27w7qx1SvXjGhU4emXfrQYBeDdHn8y*EW!gzhcBmBqByZWqFdxOC)6dTEIZ3SVI37v5Zau245CYjEg!m)NcWEG6vAVzodVXez+5p67WNnSPCWMy3l5u7mT%4)tH2c8c9V4pKt9!t8n8#MKcwT%jT%%rZiBovZmn183tasC!BGnIsvF8E0YG-fahZu!sTkzUx1OPj6Xaj31)U%F)jHF5cz5K3XWvs-Di7)K56h!bpPH5yOBAcPOtH$7dZR#)*ud+-l0bxHN8co36OS(nsibC!j9l2#Kh)Sm!NnsMamcf!77g8x$7ZjDe)tKIYg#QKTRS(U79im1JoKv6BvS%c(NtT22Gtjco)oCAMi!WRyCp(APz3$*9%S6!9QfJl+5zsH9y!9e0E6ZAApDcOIc85XbgxG7np)K5Qjqok%e6QQV3EsD3K32vsrKSdkpZ4$KJuE+T687(wcm3VXp%+%QsvHJiw-CLYGVOzGh0mT3rKnp8O(gjw31KkhY%PO*8lcYmAQjh(4KJ6ccWK1Bvo(UvpGtaz)*)IDKa$9#8X1m-5(kd(U-lHzpMJN6%aEy2dolrY-YCHE*!fonue(wT#rsh7bA#cgN2rCwgTsj4gnPD0zdZdGmNI5BrY!La8D6O6TjJsXErO-ZGUrsxdyvwd6gi6Qzd)%s1dAJ4(5d1tvVk(E-TXd4otMQsIUPJM%xaET+#0V8w)dF-*xyzumF1dJeKxeztyfxrnFG6+*pAOJ2Djz#NRkxEUmXBpMF09T(z*cu*)cLQANHeENXs3gImKqTYwIxEF03I0a8LZ%$KouIRg#I+nO3yinfx2f4vMecf4X8t0)+5#Kv85%i#(dMUAvSd!1xs0WObYzfP+Wj54K8U*yk!)TBpbS#e1BXcx(swWrc%91TZgrd0b9BEd8gSRE9nrmEX!hE%%Jwj$z5qH#t(A7sd2BG9$fbacjoMq3tAaPIlIaju+jmoWe90SO$NIkBcuT)XU*UhLBHiXbpPLgLst4UOWZn+egbv6UB5S*KKocXZ4x0aQCAg2Iz#XL+cMGasnxFyUbvhfsH0M%jdSpAjFNTiPqJqutiV$gbOEQ01Mq76)yltGjQ0klkwc7LPxL5y(Co#Qx2sEZ(DiBVC-m-Q$!t-A4K320HFUwhjSr)a2Meqkc3V-5#d9EDazt-kZwwaFhs-A)+u2sNe*0rg*1#+x%pDp(-umq#+1*pJbfrw!HrP2INS!4n+-xq)oqib*DzQ*XV+Bpm776D%XqY7oiph!!E6I842EXGUg)KbuPm#$ieLzTV%)hwZ2ccYehHXo529Tq5uMbdg-C9a84zLwYS%TcM+si6J81kDO((tXeyg5k3-OuI#KxTO#774o8ERRjdNnXZ5(Fzk#O52O!aJcP3zYHXYKt2Y7R30j8A5LKXtWQ+6uAi4A9ZehReLloFjUKb7fI#W*qpvxXaHJZI6vAmyG%aCFU%RUUexij+Q*XwyE