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您所在的位置:> 儀器網 > 技術中心 > 解決方案 > 電子密度計如何測量金屬零件密度

電子密度計如何測量金屬零件密度

2021年03月30日 17:15人氣:1299

  密度計是什么?
 
  密度計是一種用來檢測材料密度值的實驗室儀器,種類有液體密度計,固體密度計等。過去的密度測量儀器常常因為操作繁瑣,測量誤差大而備受詬病。而智能電子密度計具有測量誤差小,操作便捷等優勢,在相關的行業市場中,逐漸取代了傳統的密度測量儀器。
 
  電子密度計是是結合新技術的一款電子儀器,有很好的耐用性,它是根據阿基米德原理制成。
 
  我們在選擇電子密度計時,需要考慮兩點因素:密度計的精度,以及對測試材料的克重范圍。精度一般包括千分之精度或者萬分之一精度;克重范圍則是根據測試樣品的多少來選擇。不同的測試樣品,有不同克重范圍的電子密度計,不能隨便選購。因為阿基米德原理是排水法測試。所以如果測試樣品超過克重范圍,就無法精確檢測了。所以對于克重范圍的選擇非常重要。
 
  金屬零件是什么?
 
  金屬零件是用鋼鐵或有色金屬材料制造的不同形狀規格的金屬塊、金屬棒、金屬管等的合稱。使用較多的金屬材料為鋼鐵,而其中含碳量在2%~4.3%的稱為鑄鐵,含碳量在0.03%~2%的稱為鋼。
 
  金屬塊電子密度計測量采用阿基米德排水法原理,數顯直讀,省略人工計算過程,直接自動計算顯示體積和密度。當需要判斷金屬塊屬于哪種物質時,我們就可以使用金屬塊電子密度計來測量。
 
  比如,幾種常用金屬的密度(/g.cm-3):鋁2.7、金19.3、銀10.5、銅8.92、鉛11.34、鈹 1.85、鉑21.49、鉍9.8、鎘8.64、錫7.28、鈷8.9、鉻7.2。
 
  測量金屬密度的具體操作步驟:
 
  只需要2步,我們就可以完成金屬密度的測量。首先將金屬測試樣品單獨放在測量臺上測量其重量;然后再將金屬測試樣品浸入水中,放在測量臺上測量,金屬電子密度計就會自動計算并顯示密度值了。
 
  金屬零件密度計工作原理
 
  新的金屬電子密度計是根據阿基米德排水法結合現代新技術研發。它的設計符合:GB/T 1933、GB/T5163、GB/T208、ISO 1183、ASTM D792、ISO 2781、ASTM D297、JIS K6268、GB/T1033、HG4-1468、GB/T2951、GB/T533、GB/T3850等標準規范。
 
  金屬零件密度計的應用范圍
 
  智能金屬電子密度計的應用范圍非常廣泛,幾乎可以檢測任何金屬形態之密度。比如硬質合金、緊固件、粉末冶金等金屬類材料。
 
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賽默飛 德國IKA
第7屆廣州國際生物技術大會暨展覽會
第7屆廣州國際生物技術大會暨展覽會

時間:2022.09.15~2022.09.17 地點:廣州·廣交會展館C區


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