塑料低溫沖擊試驗機     橡塑低溫脆性試驗儀      揚州市精卓試(shi)驗(yan)機械(xie)廠

一、塑料低溫沖擊試驗機特點及用途:
   JZ-6143型；橡塑低溫脆性(xing)試驗(yan)儀是測(ce)定材料(liao)在(zai)規定條件(jian)下(xia)試樣受沖(chong)擊出現破壞時(shi)(shi)的(de)(de)zui高溫度(du)(du)，即為脆性(xing)溫度(du)(du)，可以對(dui)塑料(liao)及其他(ta)彈性(xing)材料(liao)在(zai)低溫條件(jian)下(xia)的(de)(de)使用性(xing)能作比較性(xing)鑒定。因(yin)此無論(lun)在(zai)科學研究材料(liao)及其制品的(de)(de)質量檢(jian)驗(yan)，生產過程的(de)(de)控制等方面均是*的(de)(de)。本儀器(qi)(qi)是根據GB/T5470-2008塑料(liao)沖(chong)擊脆化溫度(du)(du)試驗(yan)方法等國家標(biao)準(zhun)的(de)(de)要(yao)求。本儀器(qi)(qi)再原有設(she)計中，增加了冷井攪拌器(qi)(qi)，使容器(qi)(qi)四周溫度(du)(du)更均勻，下(xia)降溫度(du)(du)更快，節約(yue)時(shi)(shi)間，降低了能耗(hao)。

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)(jia)持器(qi)(qi)由(you)帶有(you)夾(jia)(jia)持器(qi)(qi)的氣缸和氣缸座組成。從試樣受沖擊部位，到(dao)夾(jia)(jia)持器(qi)(qi)下端(duan)的距離為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)形狀(zhuang)和尺寸。沖擊(ji)(ji)器的工(gong)作行程為40±1mm。沖擊(ji)(ji)氣缸在復位(wei)狀(zhuang)態(tai)下(xia)，沖擊(ji)(ji)器端(duan)部(bu)到試樣的距離為3.6±0.1mm。

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