<b>YWL-300A电液伺服卧式拉力试验机的伺服液压系统</b><br /><p>伺服控制系统</p><p>电液伺服控制技术基本原理：电液伺服控制系统具有出力（扭矩）大、响应快的优点，它既具有电气控制的灵活性、快速性和较高的控制精度，又有液压控制的大功率操作能力，还能和计算机联接以进行各种复杂的控制和数据处理；它能进行静态的变形试验和常规的力学性能试验。近年来，采用电液伺服控制技术的试验设备已成为国际上试验设备的主要代表。</p><p>&nbsp; &nbsp;伺服控制器的主要功能是对输入系统的电信号进行综合、比较、校正和放大；电液伺服阀将伺服控制器输入的电流信号转换为液压能，是电液伺服控制系统中的关键元件；伺服作动器接受电液伺服阀输出的压力油，万能试验机，使作动器按要求进行运动。</p><p><br /></p><div style='text-align:center;'><br /><br/><img src='https://img301.dns4.cn/pic1/320191/p4/20201016130010_5815_zs.jpg' /></div><p><br /></p><div id='div_zsDIV'></div> <br /><b>国内微机控制电子式万能试验机的配置</b><br /><p>重点描述：</p><p>1.主机：该机采单空间单臂结构，台式电子万能试验机，下空间拉伸，压缩，弯曲。横梁无级升降。传动部分采用圆弧同步齿形带，电子万能试验机价格，丝杠副传动，传动平稳，噪音低。特别设计的同步齿形带减速系统和精密滚珠丝杠副带动试验机的移动横梁运动，实现了无间隙传动。</p><p><br /></p><p>2.附具：</p><p>标准配置：楔型拉伸附具一套。</p><p>3.电气测控系统：</p><p>（1）采用国产进步电机，性能稳定、可靠，具有过流、过压、过载等保护装置。</p><p>（2）具有过载、过流、过压、位移上下限位和紧急停止等保护功能。</p><p>（3）内置式控制器，保证了该试验机可以实现横梁位移等参量的控制，可实现等速位移。</p><p><br /></p><div style='text-align:center;'><br /><br /><br/><img src='https://img301.dns4.cn/pic1/320191/p4/20200918151818_1509_zs.jpg' /></div><p><br /></p><p><br /></p><br /><p>序号&nbsp; &nbsp; &nbsp;项目&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;技术要求</p><p>1.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;试验力上限值&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;5KN</p><p>2.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;型号&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;LTDS-5A</p><p>3.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;测力范围&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;2%-100%</p><p>4.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;示值相对误差&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; ±1%</p><p>5.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;试验力示值重复性相对误差&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;≤1%</p><p>6.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;试验力零点相对误差&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ±0.1%FS</p><p>7.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;速度范围&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;0.1-500mm/min</p><p>8.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;试验空间&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 700mm</p><p>9.&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;加载方式&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;电动</p><p>10.&nbsp; &nbsp; &nbsp;&nbsp;电源电压（必须有可靠的接地措施）&nbsp; &nbsp; &nbsp;～220V±10% &nbsp; 50Hz</p><p><br /><br /><br /><br/><img src='https://img301.dns4.cn/pic1/320191/p4/20200917140629_1973_zs.jpg' /></p><p style='text-align:center;'>（此图片仅供参考）</p> <br /> 台式电子万能试验机-联拓试验-万能试验机由济南联拓试验设备有限公司提供。台式电子万能试验机-联拓试验-万能试验机是济南联拓试验设备有限公司今年新升级推出的，以上图片仅供参考，请您拨打本页面或图片上的联系电话，索取联系人：张经理。