微机控制电液比例伺服试验机

机控制电液比例伺服试验机可作拉伸，压缩，弯曲，剪切，剥离，撕裂，低周循环，蠕变等复杂试验，对金属材料，建筑材料，水泥构件，混凝土等其它非金属材料以及构件，制成品进行力学性能和工艺性能的测试和分析研究。该机型为下置油缸并配有液压自动夹具，从根本上解决了夹持试样打滑的问题和大大减轻了操作人员的劳动强度。

the microcomputer controlelectrohydraulic proportional servo universal test machine can maketensile, compression, bending, cutting, stripping, rent, low weeklycycle, creep such complex test, metalmaterials, constructionmaterials, component cement, concrete and other non-metallicmaterials and components, manufactured goods, the mechanicalperformance and process performance testing and analysis research.this model is underneath the hydraulic oil cylinder and e automatic fixtures, fundamentally solve the problem of slideof the clamping and greatly reduce the labor intensity of theoperators.

二，主要技术指标 themain technical indexes：

1、             zui大试验力  thebiggest test of power：2000kn

2、            有效测量范围theeffective measurement range（%）：1-100（fs）

3、  测力示值准确度force measurement accuracy andvalue（%）：

≤±1.0/0.5

4、有效试验跨度effective testspan（mm）:700

5、有效试验间距the effective distancetest（mm）:拉伸600/压缩720

6、 活塞zui大行程 pistonstroke（mm）：250

7、位移示值准确度displacement value andaccuracy（%）：2-100(fs)引伸计标距extension project fromstandard：

25/50/100可选optional

8、变形测量有效范围deformation measurementrange（%）：≤±0.5

9、变形示值准确度 deformation and valueaccuracy（%）：≤±1.0

10、载荷等速率调整范围load rate adjustmentrange：0.1-10%fs/s

11、变形等速率调整范围deformation rate adjustmentrange：0.1-10%fs/s

12、位移等速率调整范围such as displacement rateadjustment range：0.5-50mm/min

三、主要功能 themain function：

该机型配用gt-e204b电液伺服测控系统，全部采用bb,ad,atmel等进口集成器件，实现全数字化设计精密仪表放大器和24位高精度模数转换，采用先进的数字电液比例伺服阀作为控制元件。具有抗污能力强，抗干扰能力强，质量可靠，性能稳定的显著行色，可实现长期无故障运行。结合采集，处理，绘制曲线及打印曲线报告等功能；能实现自动恒速加载，恒速位移，恒速变形闭环控制以及自动恒载荷，恒位移，恒变形闭环控制；采用pid和先进的模糊控制算法；无级调速，应力，变形，位移等控制方式可在试验过程中任意切换；可以满足gb,iso,astmd,jisk等多种试验方法及标准。试验过程电脑屏幕可动态显示和切换显示各种试验曲线。可绘制应力-应变曲线，力-伸长曲线，力-时间曲线，变形-时间曲线，位移-时间曲线；实现多种颜色曲线方便对比，并可选取试验曲线上的任意段进行区域放大分析，能进行单根或成组试样试验。具有超载自动保护等多种功能。

the machine isused with gt-e204b electro-hydraulic servo control system, all usebb, ad, atmel etc famous brand integration device import, andrealize the full digital design precision instrument amplifier and24 a high precision modulus conversion, and the use of advanceddigital electro-hydraulic proportional servo valve controlcomponents as. has the corrupt capability is strong, stronganti-interference, reliable , performance and stability ofsignificant an enormous, can achieve the long trouble-freeoperation. combined with ac, processing, draw curve andprint curve report and other functions; to achieve automaticconstant speed loading, constant speed displacement, constant speedclosed-loop control and automatic deformation constant load,constant displacement, constant deformation closed-loop control;pid and advanced the fuzzy control algorithm; stepless speedregulation, the stress, deformation and displacement control modecan in the study of arbitrary switching; can meet the gb, iso,astmd, jisk and so on many kinds of test methods and standards. thetest process computer screen and switch can be dynamic display showvarious test curve. can map the stress-strain curve, and theforce-elongation curve, and the force-time curve, deformation-timecurve, displacement-time curves; achieve a variety of colorcontrast curve convenient, and can select test curve of any periodof regional amplification analysis, single or group sample to test.has the overload automatic protection and otherfunctions.

本产品的加工定制是是，品牌是wa，型号是2000ke，类型是伺服试验机，测量范围是20-2000kn（kn），精度是≤±1.0/0.5，调速范围是0.5-50（mm/min），zui大负荷是2000kn（kn），拉伸空间是600（mm）