海绵泡沫落球回弹试验�?参数-价格-中国粉体罐�/title>

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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong>海绵泡沫落球回弹测试�?/strong>技术参数：</p><p>1、钢球回落高度： 460mm（国标） 500mm（美标）</p><p>2、钢球直径： �?6mm</p><p>3、落球回弹率精度� <1%</p><p>4、被测试样尺寸： �?�?髗�100 mm��100 mm��100�?0）mm</p><p>5、自动计算平均回弹高�?/p><p>6、自动计算平均回弹率</p><p>7、适用于测定软质聚氨酯泡沫塑料的落球式回弹性能、�/p><p>8、满�?8标准A法和B法试验方法。主要是测试塑料泡沫材料及海绵材料的回弹性能、�/p><p>9、落球回弹测量精度高采用微处理器进行控制，中文显示，并可打印试验数据、�/p><p>10、落球回弹是通过给定直径和质量的钢球在规定高度上自由落在泡沫塑料试样上，计算钢球回弹的zui大高度与钢球落下高度比值的百分率既回弹率，以回弹率表示泡沫塑料的回弹性能、�/p><p><strong>海绵泡沫落球回弹测试�?/strong>主要配置９�/p><p>　1、试验主机一�?/p><p> 2、智能液晶控制操作系统一�?/p><p> 3、钢球释放机构两套（手动释放机构1套、自动释放机�?套）</p><p> 4、钢球捕捉机构一奖�/p><p> 5、高度调节机构一练�/p><p> 6、精密光电传感器一奖�/p><p> 7、钢�?�?/p><p> 8、微型打印机一�?/p><p> 9、水平校准机构一练�/p><p>试验步骤９�/p><p>将调节后的试样水平置于回弹仪的测试位置上，通过调节使钢球底部从固定位置到泡沫塑料表面的落下高度�?60mm。在释放装置上固定钢球，然后使钢球自由落下。对每一个试样做三次回弹，取三次回弹中的zui大值。每次回弹钢球应落在试样表面的同一位置上，并且两次回弹的时间间隔应控制�?0s之内。如果钢球在回弹过程中碰到或弹出测量装置，所得数据无效，需重新补做、�/p><p>GB/T6670-2008详细软质泡沫聚合材料落球法回弹性能</p><p></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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