微機控制壓力試驗機適用于檢測巖石、水泥、砂漿等建筑材料的抗壓強度。本機為微機控制液壓加荷,負荷傳感器測力,顯示力值曲、位移曲線自動計算抗壓強度。是建筑、建材、公路、橋梁等工程單位必備的試驗檢測設(shè)備。
二、主要規(guī)格及技術(shù)參數(shù)
1、大荷載:300KN
2、示值相對誤差:±1%
3、小分辨值:0.1KN
4、油壓大壓強:30Mpa
5、上下壓板間凈距:310mm
6、活塞行程:100mm
7、電動機功率:1100W
8、外形尺寸:1200x500x1450mm
9、凈重約:300kg主要結(jié)構(gòu)與工作原理
試驗機主要有機架、液壓操縱箱、微機控制系統(tǒng)、電氣系統(tǒng)組成。
1、機體部分
試驗機機體有橫梁、立柱、缸體、機架、底板組成,液壓操縱部分安裝在機架右側(cè)下部。在油缸與工作臺間,裝有防塵圈,防止或減少活塞上升與下降時,粉塵進入活塞與油缸間,而使用兩者加速磨損?箟簳r裝上抗壓裝置,即可進行抗壓試驗。
2、液壓操縱部分
本試驗機的操縱箱主要有油箱、液壓濾油器、電機、數(shù)字比例閥等組成。均安裝于機體上,油泵為直軸式軸向柱塞泵。整個油泵浸在油中,試驗機在加載時,微機控制自動加載使活塞上升速度得到恒定控制。試驗機的安裝與調(diào)試
本試驗機安裝地基應(yīng)牢固可靠,為適應(yīng)操作并使示值正確,基礎(chǔ)可適當高出地面,高度按實際需要而定。試驗機周圍應(yīng)留不小于0.7m的空間,以便于維修和操作。
安裝時應(yīng)保持試驗機的水平(水平度≤0.2/1000),建議使用0.1/1000框式水平儀,測量下壓板的平面,如橫或縱水平超出規(guī)定,可在底板下面加墊鐵校正。
然后接通電源線,本機電器有接地安全防護裝置,電源電壓變化不超過額定值的±10%。
5、能自動求取試件的應(yīng)力松弛性能 (如應(yīng)力松弛率)并打印出完整的試驗報告。6、載荷,位移均采用數(shù)字標定。
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主要用途:
主要用于檢測預(yù)應(yīng)力鋼絲、鋼棒、鋼絞線和預(yù)應(yīng)力鋼筋在常溫下的拉伸應(yīng)力松弛性能。
主要技術(shù)參數(shù):
最大試驗力 | 300KN |
試驗力有效測量范圍 | 6~300KN |
試驗力示值相對誤差 | ±1% |
試驗力分辨力 | 5N |
位移示值相對誤差 | ±1% |
加荷速度 | 100~5000N/S |
絲杠行程(mm) | 100 |
試驗空間(mm) | 2050 |
電源功率 | 1.5KW AC200V±10% |
壓力機系列 萬能試驗機 瀝青檢測儀器 節(jié)能保溫材料測試儀器系列 萬能材料試驗機系列 波紋管及管材測試系列 C:\Users\lenovo\Desktop\2015新說明\波紋管及管材測試儀器系列 試驗儀器 儀器儀表