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天圓地方不鏽鋼鈑金放樣下料方法

日期:2024-07-12 17:18
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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;">不鏽鋼</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)出側視圖和俯視圖,然後把俯視圖上的</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。(步驟相對應</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)上標注一點(diǎn)</span><span style="font-family:Calibri;">J</span><span style="font-family:宋體;">。然後過(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(cháng)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(cháng)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 。(步驟相對應</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(cháng)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;">圓弧)在垂直相交線(xiàn)上畫(huà)圓弧相交於點(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;">圓弧)。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(cháng)(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(cháng))為半徑,點(diǎn)</span><span style="font-family:Calibri;">7</span><span style="font-family:宋體;">為圓心畫(huà)圓弧相交於點(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(cháng)為半徑畫(huà)圓弧與</span><span style="font-family:Calibri;">Qf</span><span style="font-family:宋體;">圓弧相交於點(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(cháng)為半徑畫(huà)圓弧與</span><span style="font-family:Calibri;">Qe</span><span style="font-family:宋體;">圓弧相交於點(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)圓弧相交於點(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)圓弧(以下稱(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)圓弧(以下稱(chēng)</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(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(cháng)為半徑畫(huà)圓弧與</span><span style="font-family:Calibri;">Sf</span><span style="font-family:宋體;">圓弧相交於點(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(cháng)為半徑畫(huà)圓弧與</span><span style="font-family:Calibri;">Sf</span><span style="font-family:宋體;">圓弧相交於點(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(cháng)為半徑畫(huà)圓弧與</span><span style="font-family:Calibri;">S4</span><span style="font-family:宋體;">圓弧相交於點(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)圓弧(以下稱(chēng)</span><span style="font-family:Calibri;">O4</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,</span><span style="font-family:Calibri;">O Q</span><span style="font-family:宋體;">兩點(diǎn)的長(cháng)度為半徑(即是</span><span style="font-family:Calibri;">1/2</span><span style="font-family:宋體;">邊長(cháng))畫(huà)圓弧與</span><span style="font-family:Calibri;">O4</span><span style="font-family:宋體;">圓弧相交於點(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。(步驟相對應</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。(步驟相對應</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把另一半展開(kāi)圖畫(huà)出(步驟相對應</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>

天圓地方不鏽鋼鈑金放樣下料方法

1.先實(shí)際尺寸畫(huà)出側視圖和俯視圖,然後把俯視圖上的1/4圓弧等分成3份。再把分出的各點(diǎn)(1234)用直線(xiàn)(abcd)F點(diǎn)相連。(步驟相對應1-1圖與1-2圖)

2.再畫(huà)一條直線(xiàn),取一點(diǎn)I,量取高度尺寸以I點(diǎn)為起點(diǎn)在直線(xiàn)上標注一點(diǎn)J。然後過(guò)I點(diǎn)畫(huà)一條與其垂直相交線(xiàn),量取直線(xiàn)a的長(cháng)度以I點(diǎn)為起點(diǎn)在線(xiàn)上標注一點(diǎn)K,再量取直線(xiàn)b長(cháng)度以I點(diǎn)為起點(diǎn)在直線(xiàn)標注一點(diǎn)L 。用直線(xiàn)eK J兩點(diǎn)相連,再用直線(xiàn)fL J兩點(diǎn)相連 。(步驟相對應1-3圖)

3.① 以方頭一邊的長(cháng)度畫(huà)出一條P Q直線(xiàn),找出P Q直線(xiàn)中心點(diǎn)O畫(huà)一條與其垂直相交線(xiàn)。

② 以點(diǎn)Q為圓心,直線(xiàn)e為半徑(以下稱(chēng)Qe圓弧)在垂直相交線(xiàn)上畫(huà)圓弧相交於點(diǎn)7,用直線(xiàn)把7 Q兩點(diǎn)相連。

③ 以點(diǎn)Q為圓心,直線(xiàn)f為半徑畫(huà)圓弧(以下稱(chēng)Qf圓弧)。再量取俯視圖中的點(diǎn)1與點(diǎn)2之間的弦長(cháng)(以下稱(chēng)12弦長(cháng))為半徑,點(diǎn)7為圓心畫(huà)圓弧相交於點(diǎn)6,用直線(xiàn)把6 Q兩點(diǎn)相連。

④ 以點(diǎn)6為圓心,12弦長(cháng)為半徑畫(huà)圓弧與Qf圓弧相交於點(diǎn)5,用直線(xiàn)把5 Q兩點(diǎn)相連。

⑤ 以點(diǎn)5為圓心,12弦長(cháng)為半徑畫(huà)圓弧與Qe圓弧相交於點(diǎn)4,用直線(xiàn)把4 Q兩點(diǎn)相連。

⑥ 以點(diǎn)Q為圓心,線(xiàn)段PQ為半徑畫(huà)圓弧,再以點(diǎn)4為圓心,線(xiàn)段7Q為半徑畫(huà)圓弧相交於點(diǎn)S,用直線(xiàn)把Q S兩點(diǎn)相連。再用直線(xiàn)把點(diǎn)4與點(diǎn)S相連。

⑦ 以點(diǎn)S為圓心,線(xiàn)段Q4為半徑畫(huà)圓弧(以下稱(chēng)S4圓弧),再以點(diǎn)S為圓心,直線(xiàn)f半徑,畫(huà)圓弧(以下稱(chēng)Sf圓弧)。

⑧ 以點(diǎn)4為圓心,12弦長(cháng)為半徑畫(huà)圓弧與Sf圓弧相交於點(diǎn)3,用直線(xiàn)把3 S兩點(diǎn)相連。

⑨ 以點(diǎn)3為圓心,12弦長(cháng)為半徑畫(huà)圓弧與Sf圓弧相交於點(diǎn)2,用直線(xiàn)把2 S兩點(diǎn)相連。

⑩ 以點(diǎn)2為圓心,12弦長(cháng)為半徑畫(huà)圓弧與S4圓弧相交於點(diǎn)1,用直線(xiàn)把1 S兩點(diǎn)相連。

4.以點(diǎn)4為圓心,點(diǎn)O4之間的距離為半徑畫(huà)圓弧(以下稱(chēng)O4圓弧),再以點(diǎn)S為圓心,O Q兩點(diǎn)的長(cháng)度為半徑(即是1/2邊長(cháng))畫(huà)圓弧與O4圓弧相交於點(diǎn)T,用直線(xiàn)把S T兩點(diǎn)相連,再用直線(xiàn)把點(diǎn)1與點(diǎn)T相連。(步驟相對應1-4

5.用線(xiàn)段把1 2 3 4 5 6 7依次連接,即得1/2展開(kāi)圖。(步驟相對應1-4

6.如要完整展開(kāi)圖即可按以上步驟連續把另一半展開(kāi)圖畫(huà)出(步驟相對應1-5

 

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