压痕深度测量装置（金属洛氏硬度计专用�?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>一、产品介绌�</p><p>压痕深度测量装置是一款用于洛氏硬度计测深机构检定的专用计量检定装置，其结构性能和技术指标符合《JJG 112金属洛氏硬度计检定规程》和《ISO 6508.2金属材料洛氏硬度试验 �?部分 硬度计的检验与校准》以及ASTM E18-2015金属材料洛氏硬度试验方法的要求，压痕深度测量装置采用进口测微仪、分辨率高、灵活平稳、结构精致、尺寸较小、操作简单、完全符合阿贝原理，适用于各种类型洛氏硬度计压痕深度测量系统的校准工作、�/p><p>二、技术参数：</p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p>适用范围</p></td><td><p>洛氏硬度计（砝码和闭环加载都可）</p></td></tr><tr><td><p>符合标准</p></td><td><p>GB/T230.2 、JJG112 、ASTME18、ISO6508</p></td></tr><tr><td><p>测量范围</p></td><td><p>0-200um</p></td></tr><tr><td><p>总量稊�/p></td><td><p>220um</p></td></tr><tr><td><p>**允许误差</p></td><td><p>��0.2��m</p></td></tr><tr><td><p>分辨玆�/p></td><td><p>0.1��m</p></td></tr><tr><td><p>重量</p></td><td><p>4.34KG</p></td></tr><tr><td><p>电源</p></td><td><p>AC220+5%�?0�?0Hz</p></td></tr></tbody></table><p>三、结构原理介绍：</p><p>洛氏硬度计的检验分为直接检验和间接检验。直接检验包括：</p><p>�?）试验力的校准；</p><p>�?）压头的检测；</p><p>�?）压痕深度测量装置的校准：�/p><p>�?）试验循环时间的检测。间接检验是使用标准硬度块进行测试，硬度计测试出标准硬度块的值与标准对比。国标GBT230.2规定了硬度计直接检验的要求，见�?.</p><p>�? 硬度计直接检验要求表</p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p>直接检验要汁�/p></td><td><p>劚�/p></td><td><p>测量装置</p></td><td><p>试验循环时间</p></td><td><p>压头a</p></td></tr><tr><td><p>安装�?*工作以前</p></td><td><p>∙�/p></td><td><p>∙�/p></td><td><p>∙�/p></td><td><p>∙�/p></td></tr><tr><td><p>经拆卸并重新装配后，如果影响到力、测量装置或试验循环旵�/p></td><td><p>∙�/p></td><td><p>∙�/p></td><td><p>∙�/p></td><td><p>–�/p></td></tr><tr><td><p>间接检验不合格时b</p></td><td><p>∙�/p></td><td><p>∙�/p></td><td><p>∙�/p></td><td><p>–�/p></td></tr><tr><td><p>间接检验超�?4个月</p></td><td><p>∙�/p></td><td><p>∙�/p></td><td><p>∙�/p></td><td><p>–�/p></td></tr><tr><td colspan="5"><p>a 建议当压头使�?年后要对其进行直接检验、�/p><p>b 可对这些检测项目按顺序进行直接检验，以便找出未通过间接检验的原因，如果能够证明压头失效的原因（例如使用标准压头进行试验），则不需要对其直接检验、�/p></td></tr></tbody></table><p>压痕深度测量装置检验的方式是取下压头，将检定测量装置用的测深装置检定仪放在试台上，对准主轴轴线，将初试验力施加在测深装置检定仪上，测深装置检定仪应通过硬度计的样品台朝上移动使主轴产生已知的位移增量，在不少于三个间隔（包含与常用标尺�?低和**硬度相对应的间隔）上进行检定，每次测量结果应符�?*允许误差要求、�/p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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