【正文】 .................................................................................................32 其他類別 ....................................................................................................................................................................................33機(jī)械制圖正誤解析圖冊(cè) 目 錄三一集團(tuán)有限公司 3 板厚標(biāo)注 ............................................................................................................................................................................33 管螺紋標(biāo)注 ........................................................................................................................................................................34 最小彎邊高度 ....................................................................................................................................................................35 乘號(hào)的標(biāo)注 ........................................................................................................................................................................36 尺寸標(biāo)注不全 ....................................................................................................................................................................37 測(cè)量基準(zhǔn)選擇不合理 ........................................................................................................................................................38第 4 章 幾何公差 ...................................................................................................................................................................................39 公差框指引線 ..............................................................................................................................................................................40 公差值 ..........................................................................................................................................................................................42 同軸度公差 ..........................................................................................................................................................................42 形狀公差值與位置公差值 ..................................................................................................................................................45 公共公差帶 ............................................................................................................................................................................47 被測(cè)要素 ......................................................................................................................................................................................48 基準(zhǔn)標(biāo)注 ......................................................................................................................................................................................49 一般規(guī)定 ................................................................................................................................................................................49 公共基準(zhǔn) ..............................................................................................................................................................................53 基準(zhǔn)選擇 ......................................................................................................................................................................................54 理論正確尺寸 ..............................................................................................................................................................................55第 5 章 焊縫標(biāo)注 ...................................................................................................................................................................................58 焊縫符號(hào) ......................................................................................................................................................................................59 箭頭線 ..................................................................................................................................................................................59 相同焊縫數(shù)量 ......................................................................................................................................................................60 組合焊縫的符號(hào)標(biāo)注 ..................................................................................................................................................................61目 錄 機(jī)械制圖正誤解析圖冊(cè)4 三一集團(tuán)有限公司第 6 章 圖樣格式 .....................................................................................................................................................................................62 圖幅選擇規(guī)定 ..............................................................................................................................................................................63 一般規(guī)定 ..............................................................................................................................................................................63 A4 圖幅圖框 ........................................................................................................................................................................64 技術(shù)要求填寫(xiě) ..............................................................................................................................................................................65 技術(shù)要求條款表述 ..............................................................................................................................................................65 量和單位 ..............................................................................................................................................................................66 一般