西安304不锈钢板的折弯技术

摘要：<span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";"><span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">西安</span><span style="font-family:"";"><span lang="EN-US">304</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">不锈钢板的折弯技术</span></span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"> </span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">西安</span><span style="font-family:"";"><span lang="EN-US">304</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">不锈钢板表面光洁，有较高的塑性、韧性和机械强度，耐酸、碱性气体、溶液和其他介质的腐蚀。它是一种不容易生锈的合金钢，但不是**不生锈。</span></span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"> </span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">西安</span><span style="font-family:"";"><span lang="EN-US">304</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">不锈钢板广泛用于：化工、食品、医药、造纸、石油、原子能，建筑、厨具、餐具、车辆、家用电器等。</span></span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"> </span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">西安</span><span style="font-family:"";"><span lang="EN-US">304</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">不锈钢板牌号：</span><span style="font-family:"";"><span lang="EN-US">0Cr18Ni9</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">（</span><span style="font-family:"";"><span lang="EN-US">0Cr19Ni9</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">）</span><span lang="EN-US"><span style="font-family:"";"> 06Cr19Ni9 S30408</span></span></span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"> </span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">西安</span><span style="font-family:"";"><span lang="EN-US">304</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">不锈钢板化学成分</span><span style="font-family:"";"><span lang="EN-US">:C</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">：</span><span style="font-family:"";"><span lang="EN-US">≤0.08 </span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">，</span><span style="font-family:"";"><span lang="EN-US">Si </span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">：</span><span style="font-family:"";"><span lang="EN-US">≤1.0 </span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";"> </span><span style="font-family:"";"><span lang="EN-US">Mn </span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">：</span><span style="font-family:"";"><span lang="EN-US">≤2.0 </span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">， </span><span style="font-family:"";"><span lang="EN-US">Cr </span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">：</span><span style="font-family:"";"><span lang="EN-US">18.0</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">～</span><span style="font-family:"";"><span lang="EN-US">20.0 </span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">，</span><span style="font-family:"";"><span lang="EN-US">Ni </span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">：</span><span style="font-family:"";"><span lang="EN-US">8.0</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">～</span><span style="font-family:"";"><span lang="EN-US">10.5</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">， </span><span style="font-family:"";"><span lang="EN-US">S </span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">：</span><span style="font-family:"";"><span lang="EN-US">≤0.03 </span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">，</span><span style="font-family:"";"><span lang="EN-US">P </span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">：</span><span style="font-family:"";"><span lang="EN-US">≤0.035 N≤0.1</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">。</span></span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"> </span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">下面我们来说说</span><span lang="EN-US"><a href="/" target="_blank"><span lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";"><span lang="EN-US"><span style="color:#0000FF;">西安不锈钢板</span></span></span></a></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">的折弯技巧。</span><span style="font-family:"";"><span lang="EN-US">1.</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">单位尺寸下，板材越厚，所需折弯力越大，而且随着板厚增大在选择折弯设备时折弯力的裕量应该更大，不锈钢因导热性比普通低碳钢差，延伸率低，导致所需变形力大</span><span lang="EN-US"><span style="font-family:"";">;</span></span></span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"> </span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:"";"><span lang="EN-US">2.</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">单位尺寸下，抗拉强度越大，延伸率越小，所需折弯力越大，折弯角应该越大，相对于碳钢相同板厚的不锈钢折弯角较大，这一点应特别注意否则会出现压弯裂纹，影响工件强度</span><span lang="EN-US"><span style="font-family:"";">;</span></span></span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"> </span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:"";"><span lang="EN-US">3.</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">设计图中板厚与折弯半径对应情况下，根据经验，一道弯工件的展开尺寸为直角边相加减去两个板厚，完全可以满足设计精度要求，根据经验公式计算展开量可简化计算过程大大提高生产效率</span><span lang="EN-US"><span style="font-family:"";">;</span></span></span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"> </span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:"";"><span lang="EN-US">4.</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">材质的屈服强度越大，弹性回复量就越大，为获得折弯件</span><span style="font-family:"";"><span lang="EN-US">9 0</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">度的角度，所需压刀的角度就要设计的越小，奥氏体不锈钢在折弯时相对于碳钢存在较大弹性回复变形，所以压刀角度相对碳钢要小。</span></span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"> </span> </p> </span> <p style="margin:0cm 0cm 0pt;"> <br /> </p> </span> <p style="margin:0cm 0cm 0pt;"> <br /> </p> <span style="font-family:宋体;font-size:small;"> </span>