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煤矿孔板量计加工对性能影响-行业新闻-瓦斯导流?囊袋孔?煤矿孔板量?煤矿孔?高负压采取器-孔材料-切顶卸压孔?/title>
<meta name="Keywords" content="瓦斯导流，囊袋孔器，煤矿孔板量计，煤矿孔器，高负压采取器Q封孔材? />
<meta name="Description" content=" 在初始阶D，新处理的q动对的两个接触表面仅在_糙表面的峰值处接触。实际接触面U远于理论接触面积。相互接触的峰值处有很大的单位应力Q这是实际的接触面U。峰g间会发生塑性变形，Ҏ变形和剪切破坏" />
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<p> 在初始阶D，新处理的q动对的两个接触表面仅在_糙表面的峰值处接触。实际接触面U远于理论接触面积。相互接触的峰值处有很大的单位应力Q这是实际的接触面U。峰g间会发生塑性变形，Ҏ变形和剪切破坏Q从而引起严重的损。表面粗p度对煤矿孔板流量计的表面磨损有很大的媄响。一般而言Q表面粗p度h最佛_|该最佛_g煤矿孔板量计的工作条g有关。当工作负荷增加Ӟ初始损量增加，q且最佌面粗p度g增加?/p><p> 表面冷作化对耐磨性的影响</p><p> 煤矿孔板量计表面的L矿孔板流量计化增加了摩擦副的表面层金属的显微硬度，因此通常提高了耐磨性。但是，q不是说L矿孔板流量计化E度高Q耐磨性就高。这是因度的冷作化导致金属结构的q度村ּQ甚臛_致表面金属的裂纹和剥，q将降低耐磨性?/p><p><br/></p><p style="text-align: center;"><img src="/upload/image/20210521/16215873397713575.jpg" title="孔板量?" alt="孔板量?" width="600" height="450" border="0" vspace="0" style="width: 600px; height: 450px;"/></p><p> 表面质量对耐蚀性的影响</p><p> <a href="http://www.baiyunzhuce.com/" target="_self">煤矿孔板量?/a>的耐腐蚀性在很大E度上取决于表面_糙度。表面粗p度D大，在谷中积聚的腐蚀性物质越多，q且耐腐蚀性越差。表面层的残余拉应力会引起应力腐蚀裂纹Q降低煤矿孔板流量计的耐磨性，而残余压应力可以防止应力腐蚀裂纹?/p><p> 表面质量寚w合质量的影响</p><p> 表面_糙度值将影响配合表面的质量。对于间隙配合，较大的粗p度g增加损和间隙，从而破坏所需的配合性能。对于过盈配合，在组装过E中部分表面峰qxQ减了实际q盈Qƈ降低了对接煤矿孔板流量计之间的连接强度?/p><p><br/></p><script src="/inc/AspCms_VisitsAdd.asp?id=243"></script>
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