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(shí)際尺寸畫(huà)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(diǎn)（</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(xiàn)（</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(diǎn)相連。（步驟相對(duì)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(huà)一條直線(xiàn)，取一點(diǎn)</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(diǎn)為起點(diǎn)在直線(xiàn)上標(biāo)注一點(diǎn)</span><span style="font-family:Calibri;">J</span><span style="font-family:宋體;">。然后過(guò)</span><span style="font-family:Calibri;">I</span><span style="font-family:宋體;">點(diǎn)畫(huà)一條與其垂直相交線(xiàn)，量取直線(xiàn)</span><span style="font-family:Calibri;">a</span><span style="font-family:宋體;">的長(zhǎng)度以</span><span style="font-family:Calibri;">I</span><span style="font-family:宋體;">點(diǎn)為起點(diǎn)在線(xiàn)上標(biāo)注一點(diǎn)</span><span style="font-family:Calibri;">K</span><span style="font-family:宋體;">，再量取直線(xiàn)</span><span style="font-family:Calibri;">b</span><span style="font-family:宋體;">長(zhǎng)度以</span><span style="font-family:Calibri;">I</span><span style="font-family:宋體;">點(diǎn)為起點(diǎn)在直線(xiàn)標(biāo)注一點(diǎn)</span><span style="font-family:Calibri;">L </span><span style="font-family:宋體;">。用直線(xiàn)</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(diǎn)相連，再用直線(xiàn)</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(diǎn)相連 。（步驟相對(duì)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(zhǎng)度畫(huà)出一條</span><span style="font-family:Calibri;">P Q</span><span style="font-family:宋體;">直線(xiàn)，找出</span><span style="font-family:Calibri;">P Q</span><span style="font-family:宋體;">直線(xiàn)中心點(diǎn)</span><span style="font-family:Calibri;">O</span><span style="font-family:宋體;">畫(huà)一條與其垂直相交線(xiàn)。</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(diǎn)<span style="font-family:Calibri;">Q</span><span style="font-family:宋體;">為圓心，直線(xiàn)</span><span style="font-family:Calibri;">e</span><span style="font-family:宋體;">為半徑（以下稱(chēng)</span><span style="font-family:Calibri;">Qe</span><span style="font-family:宋體;">圓?。┰诖怪毕嘟痪€(xiàn)上畫(huà)圓弧相交于點(diǎn)</span><span style="font-family:Calibri;">7</span><span style="font-family:宋體;">，用直線(xiàn)把</span><span style="font-family:Calibri;">7 Q</span><span style="font-family:宋體;">兩點(diǎn)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(diǎn)<span style="font-family:Calibri;">Q</span><span style="font-family:宋體;">為圓心，直線(xiàn)</span><span style="font-family:Calibri;">f</span><span style="font-family:宋體;">為半徑畫(huà)圓弧（以下稱(chēng)</span><span style="font-family:Calibri;">Qf</span><span style="font-family:宋體;">圓?。?。再量取俯視圖中的點(diǎn)</span><span style="font-family:Calibri;">1</span><span style="font-family:宋體;">與點(diǎn)</span><span style="font-family:Calibri;">2</span><span style="font-family:宋體;">之間的弦長(zhǎng)（以下稱(chēng)</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(zhǎng)）為半徑，點(diǎn)</span><span style="font-family:Calibri;">7</span><span style="font-family:宋體;">為圓心畫(huà)圓弧相交于點(diǎn)</span><span style="font-family:Calibri;">6</span><span style="font-family:宋體;">，用直線(xiàn)把</span><span style="font-family:Calibri;">6 Q</span><span style="font-family:宋體;">兩點(diǎn)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(diǎn)<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(zhǎng)為半徑畫(huà)圓弧與</span><span style="font-family:Calibri;">Qf</span><span style="font-family:宋體;">圓弧相交于點(diǎn)</span><span style="font-family:Calibri;">5</span><span style="font-family:宋體;">，用直線(xiàn)把</span><span style="font-family:Calibri;">5 Q</span><span style="font-family:宋體;">兩點(diǎn)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(diǎn)<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(zhǎng)為半徑畫(huà)圓弧與</span><span style="font-family:Calibri;">Qe</span><span style="font-family:宋體;">圓弧相交于點(diǎn)</span><span style="font-family:Calibri;">4</span><span style="font-family:宋體;">，用直線(xiàn)把</span><span style="font-family:Calibri;">4 Q</span><span style="font-family:宋體;">兩點(diǎn)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(diǎn)<span style="font-family:Calibri;">Q</span><span style="font-family:宋體;">為圓心，線(xiàn)段</span><span style="font-family:Calibri;">PQ</span><span style="font-family:宋體;">為半徑畫(huà)圓弧，再以點(diǎn)</span><span style="font-family:Calibri;">4</span><span style="font-family:宋體;">為圓心，線(xiàn)段</span><span style="font-family:Calibri;">7Q</span><span style="font-family:宋體;">為半徑畫(huà)圓弧相交于點(diǎn)</span><span style="font-family:Calibri;">S</span><span style="font-family:宋體;">，用直線(xiàn)把</span><span style="font-family:Calibri;">Q S</span><span style="font-family:宋體;">兩點(diǎn)相連。再用直線(xiàn)把點(diǎn)</span><span style="font-family:Calibri;">4</span><span style="font-family:宋體;">與點(diǎn)</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(diǎn)<span style="font-family:Calibri;">S</span><span style="font-family:宋體;">為圓心，線(xiàn)段</span><span style="font-family:Calibri;">Q4</span><span style="font-family:宋體;">為半徑畫(huà)圓?。ㄒ韵路Q(chēng)</span><span style="font-family:Calibri;">S4</span><span style="font-family:宋體;">圓弧），再以點(diǎn)</span><span style="font-family:Calibri;">S</span><span style="font-family:宋體;">為圓心，直線(xiàn)</span><span style="font-family:Calibri;">f</span><span style="font-family:宋體;">半徑，畫(huà)圓?。ㄒ韵路Q(chēng)</span><span style="font-family:Calibri;">Sf</span><span style="font-family:宋體;">圓?。?lt;/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(diǎn)<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(zhǎng)為半徑畫(huà)圓弧與</span><span style="font-family:Calibri;">Sf</span><span style="font-family:宋體;">圓弧相交于點(diǎn)</span><span style="font-family:Calibri;">3</span><span style="font-family:宋體;">，用直線(xiàn)把</span><span style="font-family:Calibri;">3 S</span><span style="font-family:宋體;">兩點(diǎn)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(diǎn)<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(zhǎng)為半徑畫(huà)圓弧與</span><span style="font-family:Calibri;">Sf</span><span style="font-family:宋體;">圓弧相交于點(diǎn)</span><span style="font-family:Calibri;">2</span><span style="font-family:宋體;">，用直線(xiàn)把</span><span style="font-family:Calibri;">2 S</span><span style="font-family:宋體;">兩點(diǎn)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(diǎn)<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(zhǎng)為半徑畫(huà)圓弧與</span><span style="font-family:Calibri;">S4</span><span style="font-family:宋體;">圓弧相交于點(diǎn)</span><span style="font-family:Calibri;">1</span><span style="font-family:宋體;">，用直線(xiàn)把</span><span style="font-family:Calibri;">1 S</span><span style="font-family:宋體;">兩點(diǎn)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(diǎn)</span><span style="font-family:Calibri;">4</span><span style="font-family:宋體;">為圓心，點(diǎn)</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(huà)圓?。ㄒ韵路Q(chēng)</span><span style="font-family:Calibri;">O4</span><span style="font-family:宋體;">圓?。僖渣c(diǎn)</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(diǎn)的長(zhǎng)度為半徑（即是</span><span style="font-family:Calibri;">1/2</span><span style="font-family:宋體;">邊長(zhǎng)）畫(huà)圓弧與</span><span style="font-family:Calibri;">O4</span><span style="font-family:宋體;">圓弧相交于點(diǎn)</span><span style="font-family:Calibri;">T</span><span style="font-family:宋體;">，用直線(xiàn)把</span><span style="font-family:Calibri;">S T</span><span style="font-family:宋體;">兩點(diǎn)相連，再用直線(xiàn)把點(diǎn)</span><span style="font-family:Calibri;">1</span><span style="font-family:宋體;">與點(diǎn)</span><span style="font-family:Calibri;">T</span><span style="font-family:宋體;">相連。（步驟相對(duì)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(xiàn)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(kāi)圖。（步驟相對(duì)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(kāi)圖即可按以上步驟連續(xù)把另一半展開(kāi)圖畫(huà)出（步驟相對(duì)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>