西安304不鏽鋼板的折彎技術

摘要：<span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:"mso-hansi-font-family:";"><span style="font-size:small;"><span style="font-family:宋體;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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">不鏽鋼板的折彎技術</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:宋體;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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">不鏽鋼板表麵光潔，有較高的塑性、韌性和機械強度，耐酸、堿性氣體、溶液和其他介質的腐蝕。它是一種不容易生鏽的合金鋼，但不是**不生鏽。</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:宋體;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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">不鏽鋼板廣泛用於：化工、食品、醫藥、造紙、石油、原子能，建築、廚具、餐具、車輛、家用電器等。</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:宋體;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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">不鏽鋼板牌號：</span><span style="font-family:"";"><span lang="EN-US">0Cr18Ni9</span></span><span style="font-family:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">（</span><span style="font-family:"";"><span lang="EN-US">0Cr19Ni9</span></span><span style="font-family:宋體;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:宋體;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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">不鏽鋼板化學成分</span><span style="font-family:"";"><span lang="EN-US">:C</span></span><span style="font-family:宋體;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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">，</span><span style="font-family:"";"><span lang="EN-US">Si </span></span><span style="font-family:宋體;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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";"> </span><span style="font-family:"";"><span lang="EN-US">Mn </span></span><span style="font-family:宋體;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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">， </span><span style="font-family:"";"><span lang="EN-US">Cr </span></span><span style="font-family:宋體;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:宋體;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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">，</span><span style="font-family:"";"><span lang="EN-US">Ni </span></span><span style="font-family:宋體;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:宋體;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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">， </span><span style="font-family:"";"><span lang="EN-US">S </span></span><span style="font-family:宋體;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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">，</span><span style="font-family:"";"><span lang="EN-US">P </span></span><span style="font-family:宋體;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:宋體;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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">下麵我們來說說</span><span lang="EN-US"><a href="/" target="_blank"><span lang="EN-US" style="font-family:宋體;mso-ascii-font-family:"mso-hansi-font-family:";"><span lang="EN-US"><span style="color:#0000FF;">西安不鏽鋼板</span></span></span></a></span><span style="font-family:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">的折彎技巧。</span><span style="font-family:"";"><span lang="EN-US">1.</span></span><span style="font-family:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">單位尺寸下，板材越厚，所需折彎力越大，而且隨著板厚增大在選擇折彎設備時折彎力的裕量應該更大，不鏽鋼因導熱性比普通低碳鋼差，延伸率低，導致所需變形力大</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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">單位尺寸下，抗拉強度越大，延伸率越小，所需折彎力越大，折彎角應該越大，相對於碳鋼相同板厚的不鏽鋼折彎角較大，這一點應特彆注意否則會出現壓彎裂紋，影響工件強度</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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">設計圖中板厚與折彎半徑對應情況下，根據經驗，一道彎工件的展開尺寸為直角邊相加減去兩個板厚，完全可以滿足設計精度要求，根據經驗公式計算展開量可簡化計算過程大大提高生產效率</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:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">材質的屈服強度越大，彈性回複量就越大，為獲得折彎件</span><span style="font-family:"";"><span lang="EN-US">9 0</span></span><span style="font-family:宋體;mso-ascii-font-family:"mso-hansi-font-family:";">度的角度，所需壓刀的角度就要設計的越小，奧氏體不鏽鋼在折彎時相對於碳鋼存在較大彈性回複變形，所以壓刀角度相對碳鋼要小。</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:宋體;font-size:small;"> </span>