一. 微机式电子拉伸力试验机项目简介：
国内微机控制电子式试验机起步于90年代初，我公司是吸取国外领技术、开发研制电子式试验机的企业之一。
二.微机式电子拉伸力试验机使用领域：
微机式电子拉伸力试验机采用步进交流电动机作为动力源；采用*的芯片集成技术，专业设计的PCI数据采集放大和控制系统，试验力、变形的放大、A/D转换过程实现了全数字化调整。本机可对各种防水材料进行力学性能测试和分析研究，微机式电子拉伸力试验机广泛应用于SBS、沥青、胎基、复合高分子等各类防水卷材、无纺布、土工布等非金属材料进行拉伸、延伸率、断裂伸长率等力学性能试验，可根据GB、JIS、ASTM、DIN、ISO等标准自动求取试验力值、断裂力值、抗拉强度、断裂延伸率等试验数据。
内含JC/T690沥青复合胎柔性防水卷材 GB18242弹性体改性沥青防水卷材 JC/T1078胶粉改性沥青聚酯毡与玻纤网格布增强防水卷材 GB12952-2011 聚氯乙烯防水卷材 GB18173.1高分子防水卷材等各项国家执行标准号
三、微机式电子拉伸力试验机重点描述：
l主机：该机采用单臂式结构，横梁升降可以无级调速，更换立柱、丝杠、外罩后可改变试验空间。传动系统由低噪音圆弧同步齿轮带减速系统、丝杠副组成，运行平稳，效率高、噪音低、无污染。
四、微机式电子拉伸力试验机功能介绍
l本机采用内置式控制器，保证了该试验机可以实现等速位移控制。
l采用中国台湾品牌交流伺服电机，性能稳定、可靠，具有过流、过压、超速、过载等保护装置。调速比可达1:5000。
l电气控制线路参照国际标准，符合国家试验机电气标准，抗力强，保证了控制器的稳定性，实验数据准确性。
l自动换档：根据负荷大小自动切换到适当的量程，以确保测量数据的准确性；实现了真正意义上的物理调零、增益调整及试验力测量的自动换档、调零、标定和存盘，无任何模拟调节环节，控制电路高度集成化
l条件存盘：试验控制数据和试样条件可制成模块，方便了批量试验的进行；
l自动变速：试验过程中移动横梁的速度可按预先设定的程序自动变化，也可手动变化；
l自动标定：系统可自动实现示值准确度的标定；
l自动保存：试验结束，试验数据和曲线自动保存；
l过程实现：试验过程、测量、显示和分析等均由微机完成；
l批量试验：对相同参数的试样，一次设定后可顺次完成；
l试验软件：中文WINDOWS界面，菜单提示，鼠标操作显示方式：数据和曲线随试验过程动态显示；
l曲线遍历：试验完成后，可对曲线进行再分析，用鼠标可找到曲线上任一点所对应的试验数据；
l曲线选择：可根据需要选择应力-应变、力-位移、力-时间、位移-时间等曲线进行显示和打印；
l试验报告：可按用户要求的格式编制报告并打印；具有网络接口，可进行数据的传输、存储、打印记录和网络传输打印，可与企业内部局域网或Internet网连接。
l限位保护：具有程控和机械两级限位保护；
l自动停机：试样断裂后，移动横梁自动停止；
l过载保护：当负荷超过各档值的3-5%时，自动停机；
自动和人工两种模式求取试验结果，自动形成报表，使数据分析过程简便。
五、 微机式电子拉伸力试验机主要技术指标
（1）试验力：100N 500N 1000N 2000N 5000N
（2）试验机等级: 1级
（3）试验力示值允许误差极限：示值的±0.1%以内
（4）负荷测量范围：满量程的1%～99%FS
（5）位移示值极限误差：示值的±0.1%以内
（6）位移分辨率：0.001mm
（7）位移速度调节范围：0.01-500mm/min
（8）位移速率控制精度：速率≥1mm/min时，设定值的±0.5%以内
（9）有效拉伸空间距离：0-750mm
（10）设备主机外形尺寸（长×宽×高）：420*280*1580（mm）
（11）软件及用户界面：WINDOWSXP操作环境下的软件和交互式人机对话操作界面
（12）试验过程及测量、显示、分析、控制等均由微机完成
（13）试样破坏后，移动横梁自动停止移动（或自动返回初始位置）
（14）具有程控和机械两级限位保护
（15）当负荷超过额定值3～5%时，自动停机
（16）供电电源：220V，50Hz
（17）设备净重：110Kg
Microcomputer control electronic tensile strength tester
A. Project description:
The domestic microcomputer control electronic universal testing machine started in the early 90 s, our company is absorbing foreign technology, developed to lead one of the enterprises of electronic universal testing machine.
2., use areas:
This machine adopts stepper ac motor as the power source;Advanced chip integration technology, specializing in the design of PCI data acquisition and control system to enlarge, test force and deformation of the amplifier, A/D conversion process to realize the fully digital adjustment.This machine can be all kinds of waterproof materials for mechanical properties test and analysis, is widely applied in SBS and asphalt, tire, such as various types of waterproofing materials, polymer composite non-woven fabric, nonwoven fabric and other non-metallic materials on mechanical properties such as tensile, elongation, elongation at break test, according to GB, JIS, ASTM, DIN, ISO standard automatically calculate the maximum strength, rupture strength test, tensile strength, breaking elongation and other test data.With JC/T690-2008 asphalt compound tire flexible waterproofing GB18242-2008 elastomer modified asphalt waterproofing materials JC/T1078-2008 rubber powder modified asphalt polyester blanket with glass fiber grid cloth strengthen waterproof coiled material GB12952-2011 PVC waterproofing GB18173.1-2012 polymer waterproofing materials, such as the national standards
Three, focusing on:
L host: this machine adopts single arm type structure, beam can lift stepless speed regulation, change the columns, screw, then can change the test space.Driving system consists of low noise arc gear synchronous belt deceleration system, screw pair, smooth operation, high efficiency, low noise, no pollution.
Four, the function is introduced
L the machine adopts the embedded controller, which guarantees the machine can realize constant displacement control.
L adopt Taiwan brａnd ac servo motor, stable performance, reliable, with over-current, over-voltage, overspeed, overload protection device, etc.00 speed than to 1:50.
L electric control circuit with reference to international standards, in line with national testing machine electrical standards, strong anti-interference ability, can guarantee the stability of the controller, the experimental data accuracy.
L automatic shift: according to the load size automatically switch to the appropriate range, to ensure the accuracy of measurement data;Has realized the real physical zero, gain adjustment and test force measurement of automatic shift, zero calibration and inventory, no simulation adjustment link, highly integrated control circuit
L condition inventory: test control data and the conditions of sample can be made into module, convenient for batch test;
L automatic transmission: test in the process of moving beam of speed can be automatically change according to the preset program, can also be manually change;
L: automatic calibration system can automatically realize the calibration of accuracy value;
L automatically save: end of the test, the test data and curve automatically saved;
L process implementation: the process of test, measurement, display and analysis are done by microcomputer;
L batch test: for the same parameter of the sample, it can be finished in due course after a set;
L test software: Chinese WINDOWS interface, menu, mouse operation display mode: along with the test data and curve process dynamic display;
L curve traversal: after completion of test, and analysis was carried out on the curve, with the mouse can find curve corresponding test data will be in office a little;
L curve options: can choose according to need stress - strain, force - displacement, displacement, force - time - time curve for display and printing;
L test report: according to user requirements the format of the reports and print.With a network interface, data transmission and storage, can be printed out and network transfer printing, can be connected to the enterprise internal LAN or Internet network.
L limit protection: with SPC and mechanical two level limit protection;
L automatic stop: sample after fracture, moving beam automatically stop;
L overload protection: when the load exceeds the maximum file of 3-5%, automatic stop.
Automatic and manual two kinds of model to calculate the test result, form report automatically, the data analysis process is simple.
Five, the main technical indicators
(1) the maximum force test: 5 kn
(2) the level of testing machine: 1
(3) test force permissible error limit value: the value for + / - 0.5%
(4) load measuring range: full range of 2% ~ 99% FS
(5) the displacement limit error value: the value for + / - 0.5%
(6) the displacement resolution: 0.01 mm
(7) the displacement range of speed regulation: 0.01-500 - mm/min
(8) displacement rate control accuracy: a rate of 1 mm/min, or value of plus or minus 0.5%
(9) effective tensile space distance: 0-750 - mm
(10) equipment host overall dimensions (length x width x height) : 420 * 280 * 1580 (mm)
(11) software and user interface: the Windows xp operating environment of software and interactive man-machine dialogue interface
(12) test and measurement, display, analysis, control and so on are completed by computer
(13) sample after destruction, moving beam automatic stop moving (or automatically return to the initial position)
(14) with SPC and mechanical two level limit protection
(15) when the load exceeds rating 3 ~ 5%, automatic stop
(16) power supply: 220 v, 50 hz
(17) equipment net weight: 110 kg
