WA-2000KE微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 control electrohydraulic proportional servo universal test machine can make tensile, compression, bending, cutting, stripping, rent, low weekly cycle, creep such complex test, metalmaterials, construction materials, component cement, concrete and other non-metallic materials and components, manufactured goods, the mechanical performance and process performance testing and analysis research. This model is underneath the hydraulic oil cylinder and equipped with automatic fixtures, fundamentally solve the problem of slide of the clamping and greatly reduce the labor intensity of the operators.

二，主要技术指标 the main technical indexes：

1、             试验力  the biggest test of power：2000kN

2、            有效测量范围the effective measurement range（%）：1-100（FS）

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

≤±1.0/0.5

4、有效试验跨度effective test span（mm）: 700

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

6、 活塞行程 piston stroke（mm）：250

7、位移示值准确度displacement value and accuracy（%）：2-100(FS)引伸计标距extension project from standard：

25/50/100可选optional

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

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

10、载荷等速率调整范围load rate adjustment range：0.1-10%FS/S

11、变形等速率调整范围deformation rate adjustment range：0.1-10%FS/S

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

三、主要功能 the main 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 is used with GT-E204B electro-hydraulic servo control system, all use BB, AD, Atmel etc famous brand integration device import, and realize the full digital design precision instrument amplifier and 24 a high precision modulus conversion, and the use of advanced digital electro-hydraulic proportional servo valve control components as. Has the corrupt capability is strong, strong anti-interference, reliable quality, performance and stability of significant an enormous, can achieve the long trouble-free operation. Combined with acquisition, processing, draw curve and print curve report and other functions; To achieve automatic constant speed loading, constant speed displacement, constant speed closed-loop control and automatic deformation constant load, constant displacement, constant deformation closed-loop control; PID and advanced the fuzzy control algorithm; Stepless speed regulation, the stress, deformation and displacement control mode can in the study of arbitrary switching; Can meet the GB, ISO, ASTMD, JISK and so on many kinds of test methods and standards. The test process computer screen and switch can be dynamic display show various test curve. Can map the stress-strain curve, and the force-elongation curve, and the force-time curve, deformation-time curve, displacement-time curves; Achieve a variety of color contrast curve convenient, and can select test curve of any period of regional amplification analysis, single or group sample to test. Has the overload automatic protection and other functions.