摘要：<p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;"><span style="font-family:宋體;">天圓地方</span></span><span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;"><span style="font-family:宋體;">不銹鋼</span></span><span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;"><span style="font-family:宋體;">鈑金放樣下料方法</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;"><span style="font-family:宋體;"><span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">1.<span style="font-family:宋體;">先實際尺寸畫出側(cè)視圖和俯視圖，然后把俯視圖上的</span><span style="font-family:Calibri;">1/4</span><span style="font-family:宋體;">圓弧等分成</span><span style="font-family:Calibri;">3</span><span style="font-family:宋體;">份。再把分出的各點（</span><span style="font-family:Calibri;">1</span><span style="font-family:宋體;">、</span><span style="font-family:Calibri;">2</span><span style="font-family:宋體;">、</span><span style="font-family:Calibri;">3</span><span style="font-family:宋體;">、</span><span style="font-family:Calibri;">4</span><span style="font-family:宋體;">）用直線（</span><span style="font-family:Calibri;">a</span><span style="font-family:宋體;">、</span><span style="font-family:Calibri;">b</span><span style="font-family:宋體;">、</span><span style="font-family:Calibri;">c</span><span style="font-family:宋體;">、</span><span style="font-family:Calibri;">d)</span><span style="font-family:宋體;">與</span><span style="font-family:Calibri;">F</span><span style="font-family:宋體;">點相連。（步驟相對應(yīng)</span><span style="font-family:Calibri;">1-1</span><span style="font-family:宋體;">圖與</span><span style="font-family:Calibri;">1-2</span><span style="font-family:宋體;">圖）</span></span></span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;"><span style="font-family:宋體;"><span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">2.<span style="font-family:宋體;">再畫一條直線，取一點</span><span style="font-family:Calibri;">I,</span><span style="font-family:宋體;">量取高度尺寸以</span><span style="font-family:Calibri;">I</span><span style="font-family:宋體;">點為起點在直線上標(biāo)注一點</span><span style="font-family:Calibri;">J</span><span style="font-family:宋體;">。然后過</span><span style="font-family:Calibri;">I</span><span style="font-family:宋體;">點畫一條與其垂直相交線，量取直線</span><span style="font-family:Calibri;">a</span><span style="font-family:宋體;">的長度以</span><span style="font-family:Calibri;">I</span><span style="font-family:宋體;">點為起點在線上標(biāo)注一點</span><span style="font-family:Calibri;">K</span><span style="font-family:宋體;">，再量取直線</span><span style="font-family:Calibri;">b</span><span style="font-family:宋體;">長度以</span><span style="font-family:Calibri;">I</span><span style="font-family:宋體;">點為起點在直線標(biāo)注一點</span><span style="font-family:Calibri;">L </span><span style="font-family:宋體;">。用直線</span><span style="font-family:Calibri;">e</span><span style="font-family:宋體;">把</span><span style="font-family:Calibri;">K J</span><span style="font-family:宋體;">兩點相連，再用直線</span><span style="font-family:Calibri;">f</span><span style="font-family:宋體;">把</span><span style="font-family:Calibri;">L J</span><span style="font-family:宋體;">兩點相連 。（步驟相對應(yīng)</span><span style="font-family:Calibri;">1-3</span><span style="font-family:宋體;">圖）</span></span></span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;"><span style="font-family:宋體;"><span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;"><span style="font-family:宋體;"><span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">3.<span style="font-family:宋體;">① 以方頭一邊的長度畫出一條</span><span style="font-family:Calibri;">P Q</span><span style="font-family:宋體;">直線，找出</span><span style="font-family:Calibri;">P Q</span><span style="font-family:宋體;">直線中心點</span><span style="font-family:Calibri;">O</span><span style="font-family:宋體;">畫一條與其垂直相交線。</span></span></span></span></span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">② 以點<span style="font-family:Calibri;">Q</span><span style="font-family:宋體;">為圓心，直線</span><span style="font-family:Calibri;">e</span><span style="font-family:宋體;">為半徑（以下稱</span><span style="font-family:Calibri;">Qe</span><span style="font-family:宋體;">圓弧）在垂直相交線上畫圓弧相交于點</span><span style="font-family:Calibri;">7</span><span style="font-family:宋體;">，用直線把</span><span style="font-family:Calibri;">7 Q</span><span style="font-family:宋體;">兩點相連。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">③ 以點<span style="font-family:Calibri;">Q</span><span style="font-family:宋體;">為圓心，直線</span><span style="font-family:Calibri;">f</span><span style="font-family:宋體;">為半徑畫圓弧（以下稱</span><span style="font-family:Calibri;">Qf</span><span style="font-family:宋體;">圓弧）。再量取俯視圖中的點</span><span style="font-family:Calibri;">1</span><span style="font-family:宋體;">與點</span><span style="font-family:Calibri;">2</span><span style="font-family:宋體;">之間的弦長（以下稱</span><span style="font-family:Calibri;">1</span><span style="font-family:宋體;">～</span><span style="font-family:Calibri;">2</span><span style="font-family:宋體;">弦長）為半徑，點</span><span style="font-family:Calibri;">7</span><span style="font-family:宋體;">為圓心畫圓弧相交于點</span><span style="font-family:Calibri;">6</span><span style="font-family:宋體;">，用直線把</span><span style="font-family:Calibri;">6 Q</span><span style="font-family:宋體;">兩點相連。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">④ 以點<span style="font-family:Calibri;">6</span><span style="font-family:宋體;">為圓心，</span><span style="font-family:Calibri;">1</span><span style="font-family:宋體;">～</span><span style="font-family:Calibri;">2</span><span style="font-family:宋體;">弦長為半徑畫圓弧與</span><span style="font-family:Calibri;">Qf</span><span style="font-family:宋體;">圓弧相交于點</span><span style="font-family:Calibri;">5</span><span style="font-family:宋體;">，用直線把</span><span style="font-family:Calibri;">5 Q</span><span style="font-family:宋體;">兩點相連。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">⑤ 以點<span style="font-family:Calibri;">5</span><span style="font-family:宋體;">為圓心，</span><span style="font-family:Calibri;">1</span><span style="font-family:宋體;">～</span><span style="font-family:Calibri;">2</span><span style="font-family:宋體;">弦長為半徑畫圓弧與</span><span style="font-family:Calibri;">Qe</span><span style="font-family:宋體;">圓弧相交于點</span><span style="font-family:Calibri;">4</span><span style="font-family:宋體;">，用直線把</span><span style="font-family:Calibri;">4 Q</span><span style="font-family:宋體;">兩點相連。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">⑥ 以點<span style="font-family:Calibri;">Q</span><span style="font-family:宋體;">為圓心，線段</span><span style="font-family:Calibri;">PQ</span><span style="font-family:宋體;">為半徑畫圓弧，再以點</span><span style="font-family:Calibri;">4</span><span style="font-family:宋體;">為圓心，線段</span><span style="font-family:Calibri;">7Q</span><span style="font-family:宋體;">為半徑畫圓弧相交于點</span><span style="font-family:Calibri;">S</span><span style="font-family:宋體;">，用直線把</span><span style="font-family:Calibri;">Q S</span><span style="font-family:宋體;">兩點相連。再用直線把點</span><span style="font-family:Calibri;">4</span><span style="font-family:宋體;">與點</span><span style="font-family:Calibri;">S</span><span style="font-family:宋體;">相連。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">⑦ 以點<span style="font-family:Calibri;">S</span><span style="font-family:宋體;">為圓心，線段</span><span style="font-family:Calibri;">Q4</span><span style="font-family:宋體;">為半徑畫圓弧（以下稱</span><span style="font-family:Calibri;">S4</span><span style="font-family:宋體;">圓弧），再以點</span><span style="font-family:Calibri;">S</span><span style="font-family:宋體;">為圓心，直線</span><span style="font-family:Calibri;">f</span><span style="font-family:宋體;">半徑，畫圓弧（以下稱</span><span style="font-family:Calibri;">Sf</span><span style="font-family:宋體;">圓弧）。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">⑧ 以點<span style="font-family:Calibri;">4</span><span style="font-family:宋體;">為圓心，</span><span style="font-family:Calibri;">1</span><span style="font-family:宋體;">～</span><span style="font-family:Calibri;">2</span><span style="font-family:宋體;">弦長為半徑畫圓弧與</span><span style="font-family:Calibri;">Sf</span><span style="font-family:宋體;">圓弧相交于點</span><span style="font-family:Calibri;">3</span><span style="font-family:宋體;">，用直線把</span><span style="font-family:Calibri;">3 S</span><span style="font-family:宋體;">兩點相連。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">⑨ 以點<span style="font-family:Calibri;">3</span><span style="font-family:宋體;">為圓心，</span><span style="font-family:Calibri;">1</span><span style="font-family:宋體;">～</span><span style="font-family:Calibri;">2</span><span style="font-family:宋體;">弦長為半徑畫圓弧與</span><span style="font-family:Calibri;">Sf</span><span style="font-family:宋體;">圓弧相交于點</span><span style="font-family:Calibri;">2</span><span style="font-family:宋體;">，用直線把</span><span style="font-family:Calibri;">2 S</span><span style="font-family:宋體;">兩點相連。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">⑩ 以點<span style="font-family:Calibri;">2</span><span style="font-family:宋體;">為圓心，</span><span style="font-family:Calibri;">1</span><span style="font-family:宋體;">～</span><span style="font-family:Calibri;">2</span><span style="font-family:宋體;">弦長為半徑畫圓弧與</span><span style="font-family:Calibri;">S4</span><span style="font-family:宋體;">圓弧相交于點</span><span style="font-family:Calibri;">1</span><span style="font-family:宋體;">，用直線把</span><span style="font-family:Calibri;">1 S</span><span style="font-family:宋體;">兩點相連。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">4.<span style="font-family:宋體;">以點</span><span style="font-family:Calibri;">4</span><span style="font-family:宋體;">為圓心，點</span><span style="font-family:Calibri;">O</span><span style="font-family:宋體;">、</span><span style="font-family:Calibri;">4</span><span style="font-family:宋體;">之間的距離為半徑畫圓弧（以下稱</span><span style="font-family:Calibri;">O4</span><span style="font-family:宋體;">圓弧），再以點</span><span style="font-family:Calibri;">S</span><span style="font-family:宋體;">為圓心，</span><span style="font-family:Calibri;">O Q</span><span style="font-family:宋體;">兩點的長度為半徑（即是</span><span style="font-family:Calibri;">1/2</span><span style="font-family:宋體;">邊長）畫圓弧與</span><span style="font-family:Calibri;">O4</span><span style="font-family:宋體;">圓弧相交于點</span><span style="font-family:Calibri;">T</span><span style="font-family:宋體;">，用直線把</span><span style="font-family:Calibri;">S T</span><span style="font-family:宋體;">兩點相連，再用直線把點</span><span style="font-family:Calibri;">1</span><span style="font-family:宋體;">與點</span><span style="font-family:Calibri;">T</span><span style="font-family:宋體;">相連。（步驟相對應(yīng)</span><span style="font-family:Calibri;">1-4</span><span style="font-family:宋體;">）</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">5.<span style="font-family:宋體;">用線段把</span><span style="font-family:Calibri;">1 2 3 4 5 6 7</span><span style="font-family:宋體;">依次連接，即得</span><span style="font-family:Calibri;">1/2</span><span style="font-family:宋體;">展開圖。（步驟相對應(yīng)</span><span style="font-family:Calibri;">1-4</span><span style="font-family:宋體;">）</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;"><span style="font-family:宋體;"><span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;">6.<span style="font-family:宋體;">如要完整展開圖即可按以上步驟連續(xù)把另一半展開圖畫出（步驟相對應(yīng)</span><span style="font-family:Calibri;">1-5</span><span style="font-family:宋體;">）</span></span></span></span> </p> <p style="margin:0pt;"> <span style="font-family:Calibri;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-fareast-font-family:宋體;mso-bidi-font-family:&quot;Times New Roman&quot;;">&nbsp;</span> </p>