塑料低溫脆化試驗機

一、塑料低溫脆性測定儀特點及用途:
   JZ-6143型(xing)；橡塑低溫(wen)脆(cui)性試(shi)驗儀(yi)是測(ce)定材料在(zai)規定條(tiao)件下(xia)試(shi)樣受(shou)沖(chong)擊出(chu)現(xian)破壞時(shi)(shi)的(de)(de)zui高溫(wen)度(du)，即為脆(cui)性溫(wen)度(du)，可以對塑料及其他(ta)彈性材料在(zai)低溫(wen)條(tiao)件下(xia)的(de)(de)使用性能作(zuo)比較(jiao)性鑒(jian)定。因此無論在(zai)科(ke)學研究材料及其制(zhi)品的(de)(de)質量(liang)檢驗，生產過程(cheng)的(de)(de)控制(zhi)等(deng)方面均(jun)是*的(de)(de)。本(ben)儀(yi)器是根據GB/T5470-2008塑料沖(chong)擊脆(cui)化溫(wen)度(du)試(shi)驗方法等(deng)國家標準(zhun)的(de)(de)要求。本(ben)儀(yi)器再原有設(she)計中，增加了冷井攪拌(ban)器，使容器四周溫(wen)度(du)更均(jun)勻，下(xia)降(jiang)溫(wen)度(du)更快，節約時(shi)(shi)間，降(jiang)低了能耗。

二、；橡塑低溫脆性試驗儀技術參數
    1、試驗溫度：-80℃—0℃
    2、沖頭半徑為1.6㎜±0.1㎜
    3、鉗口半徑為4.0㎜±0.1㎜
    4、沖頭中心線與夾具間隙為3.6㎜±0.1㎜
    5、沖頭的外側與夾具間隙為2.0㎜±0.1㎜
    6、沖擊時試驗速度應達到200㎝/s±20㎝/s，沖頭行程至少達5.0㎜
    7、外型尺寸：720×700×1380mm
    8、功率：1100W
    9、冷井容積：700ml

三、；橡塑低溫脆性試驗儀結構原理
   3.1本設備由制冷壓縮機主機體、加熱裝置、電子控制箱、冷卻槽、冷卻介質循環系統、自動報警裝置等部分組成
   3.2 升降夾持器
       升降夾(jia)持(chi)器由帶(dai)有夾(jia)持(chi)器的(de)氣(qi)缸(gang)和(he)氣(qi)缸(gang)座組成。從試樣受沖擊部位(wei)，到(dao)夾(jia)持(chi)器下端的(de)距離為3.6±0.1mm。

   3.3沖擊裝置
      沖擊裝置由沖擊器和沖擊氣缸組成。
   3.4沖擊器
      沖擊(ji)(ji)器頭部(bu)形(xing)狀(zhuang)(zhuang)和尺寸(cun)。沖擊(ji)(ji)器的(de)工作行程為40±1mm。沖擊(ji)(ji)氣缸在復(fu)位狀(zhuang)(zhuang)態(tai)下，沖擊(ji)(ji)器端部(bu)到試樣(yang)的(de)距離(li)為3.6±0.1mm。

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