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      [分享]台湾铸造试题,大家看可以答对多少

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      发表于 2006-3-19 15:07:00 | 显示全部楼层 |阅读模式
      <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">01.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">蹄形鑄件凝固成形時容易變形,故製作模型時應向內傾斜或在內側加放若干裕度作為矯正。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">02.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">應用刮板模型生產的鑄件,其中心軸均為直線,且橫斷面均為對稱。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">03.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">鑄造用常溫硬化型</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">(R.T.V)</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">矽化橡膠模,製作時必須利用高溫硫化處理,使其硬化。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"> <p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">04.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">蠟型內有易脆的陶心或水熔性蠟心,應埰用擠蠟法。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">05.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">游標卡尺之精度為</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">1/20</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">時,其測量精度可達</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">0.05</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">英吋。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><span style="mso-spacerun: yes;">&nbsp; </span><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">06.( o )</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">以實物描繪草圖時,應力求與原件相同,不可意更改。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">07.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">升高模具溫度,可改善成形空間內熔液的流動以提高生產效率。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">08.( o )</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">當</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">EP</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">發泡倍率低時亦即密度高,但澆鑄時所產生之氣體亦多。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">09.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">組合圖為表示各零件之相對位置,故須完整標示其形狀、大小、結構。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">10.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">物體的交線,如為曲線時,則至少求出三交線,才能完成此曲線。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">11.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">根據</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">Pellini</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">氏對於熱降</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">(thermal gradient)</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">的研究,欲得健全的鑄鋼件,溫差至少應有</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">0.5</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">℃</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">/cm</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">12.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">鋁合金之流路系統設計最好採用增壓澆口系。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">13.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">橫流道</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">(runner)</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">最好開設在上砂模,以減少熔渣流入模穴。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"> <p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">14.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">臥式射蠟機,其蠟射出的方向在水平方向。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">15.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">射蠟溫度愈高,射蠟時則愈容易發生漩渦現象。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">16.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">所謂步留率,就是鑄件本身重量對所澆入金屬重量之比。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">17.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">鑄鐵件之冒口設計中以澆道冒口之效率最好。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">18.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">澆鑄時如果產生亂流,則鑄件容易產生氣孔。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">19.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">冒口發熱劑可以延長冒口中金屬凝固的時間。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">20.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">若要研究金屬液在澆口系統中的行為,須對柏努利</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">(Bernoulli)</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">定理加以深切瞭解。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"> <p></p></span></p><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-TW; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;"><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-TW; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;"></span></span>
       楼主| 发表于 2006-3-19 15:08:00 | 显示全部楼层
      <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">21.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">在流體的流動有黏性所致的力促成亂流,慣性所致的力引起層流。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">22.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">在流體的慣性力與黏性力之比相同時,則不同的流體其流動性質相同。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">23.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">柏努利</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">(Bernoulli)</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">定理是假設在一定的摩擦損失時。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">24.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">在澆池前隔間或擋件設計是使熔液在澆池中產生圓形的流動。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">25.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">新型造模機械主要採用震動式以取代人力。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-TW; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">26.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">化學性黏結砂模</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">(chemically bonded molds)</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">包括熱硬性、氣硬性及自硬性砂模。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">27.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">壓鑄機的射入壓力必須大於鎖模力。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">28.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">一般陶瓷殼模使用矽酸膠做泥漿的黏結劑,因其濕潤性較好,不必添加濕潤劑。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">29.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">包模耐火材料選用,原則上泥漿與耐火砂應為同一種材料,否則在脫蠟及燒結過程,會因膨脹不同而使包模破裂。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">30.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">泥漿調配時稀釋矽酸乙酯要加酒精,而稀釋矽酸膠要加水。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">31.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">為了增進方向性凝固之效果,欲將鑄模溫度常保持於金屬液之熔點上,以利熱著傳遞於鑄模。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">32.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">鑄砂黏土分試驗是在砂中加入氫氧化鉀的水溶液來清洗包覆鑄砂周圍的物質。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">33.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">鑄件收縮應力的產生,多由稜角結構及厚度不均勻所造成。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">34.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">未來的鑄造業應向熔鑄近似淨形</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">(near net shape)</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">的鑄件發展,並加強鑄造廠環保。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><span style="mso-spacerun: yes;">&nbsp; </span><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">35.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">鎂合金</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">(</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">如</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">Mg-Al-Zn)</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">應用於</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">175</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">℃時仍具有良好延性及高強度,適用於鑄造飛機另件、輪圈、扶梯及機件外殼等。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">36.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">鋁鎂系合金對海水耐蝕性佳,可作為船舶或化學工業用鑄件。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">37.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">鋁合金在施以析出硬化處理前應先施以深冷處理。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">38.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">在</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">CNS</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">規格中表示鋼種類時,</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">HS</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">表示高速鋼。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">39.( x ) AISI 410</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">不銹鋼是屬於肥粒體類型之材料。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-TW; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;"></span></span>
       楼主| 发表于 2006-3-19 15:09:00 | 显示全部楼层
      <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">40.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">黑心展性鑄鐵之組織為石墨和波來體。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">41.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">核電廠所要之耐高壓高溫之閥體,僅能採用沃斯田體型不銹鋼或耐熱鋼材質鑄造,而目前唯一的製造法為電渣鑄造</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; TEXT-INDENT: 45pt; mso-line-height-alt: 12.0pt; mso-char-indent-count: 3.0; mso-char-indent-size: 15.0pt;"><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">法</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">.(E.S.C)</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">42.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">純金屬之鑄件其晶粒之分佈可分成柱狀區、等軸區、激冷區等三區,而與合金之晶粒分佈完全不同。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">43.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">碳鋼中加入鎳則可以降低其轉脆溫度。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">44.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">非鐵金屬的硬化處理是得到麻田散體的變態組織。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"> <p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">45.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">低壓鑄造時,金屬液由下往上流動。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">46.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">鑄鐵的熔點為</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">1539</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">℃,比重為</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">7.8</span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">47.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">鋁合金熔解時的除氣處理,主要是清除熔於鋁液中的氫氣。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">48.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">高週波感應電爐常用於各種合金材料的熔化作業。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; mso-line-height-alt: 12.0pt;"><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">49.( x ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';">氧化鎂耐火物比氧化矽耐火物之耐火度低。</span><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman';"><p></p></span></p><span lang="EN-US" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-TW; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;">50.( o ) </span><span lang="ZH-TW" style="FONT-SIZE: 15pt; FONT-FAMILY: PMingLiU; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-TW; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;">鎂合金在澆鑄前超溫加熱之目的是可使鑄件之結晶細化。</span>
      发表于 2006-3-19 21:16:00 | 显示全部楼层
      有些词汇不是太好理解啊!
      发表于 2006-7-17 19:37:00 | 显示全部楼层
      see
      发表于 2008-4-20 20:12:10 | 显示全部楼层
      遗憾,我号称搞过三种铸造工艺共近10年的一线经验,仍然连40%都答不对,学无止境
      发表于 2008-4-28 21:43:03 | 显示全部楼层
      有點難~~~真暈~~~在鑄造廠待了兩年有些還真的不會
      发表于 2008-6-11 21:53:53 | 显示全部楼层
      长见识.貌似答错好多.
      继续学习.
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