轨道垫板疲劳试验�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><span><strong>轨道垫板疲劳试验朹�/strong></span></p><p><strong><span>主要内容与适用范围</span></strong></p><p><span>轨道垫板</span><span>疲劳试验朹�/span><span>广泛应用于材料和零部件进行疲劳试验、动刚度，静刚度，纵向阻力测试、组装扣压力等项目进行测试。本试验机可以满趲�/span>TB/T3396.1-2015《高速铁路扣件》中要求的附录A、B、C所规范的各种实验方法� </span></p><p><strong><span>主要技术参数及规格</span></strong></p><p><span>1�?*静态试验力�?#177;250kN，静态示值精度：全程不分� ��0.5%：�/span></p><p><span>2�?*动态试验力�?#177;250kN；动态波动度：不大于��1%、�/span></p><p><span>3、作动器**振幅�?#177;75mm，示值精�?#177;0.5%、�/span></p><p><span>4、频率范围：0.01�?0Hz ，长时工作频�?.01�?0Hz、�/span></p><p><span>5、位移测量精度：��0.5%示� （全程不分档（�/span></p><p><span>6、位移测量分辨率（磁致伸缩位移传感器）：0.01mm、�/span></p><p><span>7、多段函数发生器、�/span></p><p><span>8、计数器�?99�?99�?99，可预置、�/span></p><p><span>9、控制方式：负荷、位移、变形控制方式，主要试验波形：由控制器支持（包括正弦波、方波、三角波、斜波以及外部输入波形）：�/span></p><p><span>10�?*试验空间�?00mm、�/span></p><p><span>11、四立柱间距离：565mmx350mm、�/span></p><p><span>12、主机刚度：8*10</span><sup><span>8</span></sup><span>N/mm.</span></p><p><span>13、外形尺寸：1200*1040*2300、�/span></p><p><span>14、工作压力：21 MPa、�/span></p><p><span>15、恒压伺服泵站规格：流量70L/min�?1Mpa，电机功�?0kW�?450r/min� </span></p><p><strong><span>工作条件</span></strong></p><p><span>4.1 环境温度�?0�?5℃； </span></p><p><span>4.2相对湿度不大�?0%� </span></p><p><span>4.3 环境无震动； </span></p><p><span>4.4 周围无腐蚀性介质； </span></p><p><span>4.5 在稳定的基础上水平安装；水平度不大于0.2/1000� </span></p><p><span>4.6 电源电压波动范围不超过额定电压的��10%� </span></p><p><strong><span>结构特征与工作原琅�/span></strong></p><p><span>该机由主机、泵站、冷水机以及控制系统等几部分组成、�/span></p><p><span>主机由底座、立柱、移动横梁、作动器、抱紧缸以及升降油缸组成。四立柱安装在工作台上面。移动横梁贯穿在四立柱上，横梁贯穿孔外侧开有锁紧口，正面安装有锁紧油缸。两升降油缸固定在移动横梁上面对角穿过中线，活塞杆向下伸出反向托举横梁移动，横梁通过升降油缸可沿立柱上下移动，完成空间调整。作动器安装在移动横梁上面中心位置，活塞杆自横梁中心孔向下伸出，并与试验上辅具连接。负荷传感器安装在活塞杆上面和作动器中心位置对中，下面工作台部分为放置辅具和测量变形的传感器、�/span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="213376" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">