摘要：<span style="font-family:宋體;">西安不銹鋼板進(jìn)行折彎加工的要點(diǎn)</span> <p class="MsoNormal"> <span>西安</span><span style="font-family:宋體;">不銹鋼板表面美觀以及使用可能性多樣化</span><span>,</span><span style="font-family:宋體;">耐腐蝕性能好</span><span>,</span><span style="font-family:宋體;">比普通鋼長久耐用，</span><span>西安</span><span style="font-family:宋體;">不銹鋼板耐腐蝕性好強(qiáng)度高</span><span>,</span><span style="font-family:宋體;">因而薄板使用的可能性大</span><span>,</span><span style="font-family:宋體;">耐高溫氧化及強(qiáng)度高</span><span>,</span><span style="font-family:宋體;">因此能夠抗火災(zāi)常溫加工</span><span>,</span><span style="font-family:宋體;">即容易塑性加工</span><span>,<span style="font-family:宋體;">西安不銹鋼板進(jìn)行折彎加工的要點(diǎn)，</span></span><span style="font-family:宋體;">因?yàn)椴槐乇砻嫣幚?lt;/span><span>,</span><span style="font-family:宋體;">所以簡便、維護(hù)簡單清潔</span><span>,</span><span style="font-family:宋體;">光潔度高焊接性能好。</span> </p> <p class="MsoNormal"> <span>316</span><span style="font-family:宋體;">與</span><span>304</span><span style="font-family:宋體;">在化學(xué)成分上的*主要區(qū)別就是</span><span>316</span><span style="font-family:宋體;">含</span><span>Mo,</span><span style="font-family:宋體;">而且一般公認(rèn)</span><span>,316</span><span style="font-family:宋體;">的耐腐蝕性更好些</span><span>,</span><span style="font-family:宋體;">比</span><span>304</span><span style="font-family:宋體;">在高溫環(huán)境下更耐腐蝕。<span style="font-family:宋體;">西安不銹鋼板進(jìn)行折彎加工的要點(diǎn)，</span>所以在高溫環(huán)境下</span><span>,</span><span style="font-family:宋體;">工程師一般都會選用</span><span>316</span><span style="font-family:宋體;">材料的零部件。但所謂事無**</span><span>,</span><span style="font-family:宋體;">在濃硫酸環(huán)境下</span><span>,</span><span style="font-family:宋體;">再高溫度也千萬別用</span><span>316,</span><span style="font-family:宋體;">我們知道為了防止在高溫情況下螺紋咬死</span><span>,</span><span style="font-family:宋體;">需要涂抹的一種黑乎乎的固體潤滑劑。</span> </p> <p class="MsoNormal"> <span style="font-family:宋體;">由于不銹鋼本身屈服點(diǎn)高</span><span>,</span><span style="font-family:宋體;">硬度高</span><span>,</span><span style="font-family:宋體;">冷作硬化效應(yīng)顯著</span><span>,304</span><span style="font-family:宋體;">不銹鋼板進(jìn)行折彎時其特點(diǎn)如下</span><span>:</span><span style="font-family:宋體;">因?qū)嵝员绕胀ǖ吞间摬?lt;/span><span>,</span><span style="font-family:宋體;">延伸率低</span><span>,</span><span style="font-family:宋體;">導(dǎo)致所需變形力大</span><span>;</span><span style="font-family:宋體;">不銹鋼板料在折彎時與碳鋼相比有強(qiáng)烈的回彈傾向</span><span>;</span><span style="font-family:宋體;">不銹鋼板相對于碳鋼由于延伸率低</span><span>, </span><span style="font-family:宋體;">折彎時工件折彎角</span><span>R</span><span style="font-family:宋體;">要大于碳鋼</span><span>,</span><span style="font-family:宋體;">否則有出現(xiàn)裂紋的可能</span><span>;</span><span style="font-family:宋體;">由于</span><span>304</span><span style="font-family:宋體;">不銹鋼板硬度高</span><span>,</span><span style="font-family:宋體;">冷作硬化效應(yīng)顯著因此在選擇壓彎刀具時要選擇熱處理硬度應(yīng)達(dá)到</span><span>60HRC</span><span style="font-family:宋體;">以上的工具鋼</span><span>, </span><span style="font-family:宋體;">其表面粗糙度要比碳鋼的壓彎刀具高一個數(shù)量級。</span> </p> <p class="MsoNormal"> <span style="font-family:宋體;">根據(jù)以上特性</span><span>,</span><span style="font-family:宋體;">一般來說</span><span>:</span><span style="font-family:宋體;">單位尺寸下</span><span>,</span><span style="font-family:宋體;">板材越厚</span><span>,</span><span style="font-family:宋體;">所需折彎力越大</span><span>,<span style="font-family:宋體;">西安不銹鋼板進(jìn)行折彎加工的要點(diǎn)，</span></span><span style="font-family:宋體;">而且隨著板厚增大在選擇折彎設(shè)備時折彎力的裕量應(yīng)該更大</span><span>;</span><span style="font-family:宋體;">單位尺寸下</span><span>,</span><span style="font-family:宋體;">抗拉強(qiáng)度越大</span><span>,</span><span style="font-family:宋體;">延伸率越小</span><span>,</span><span style="font-family:宋體;">所需折彎力越大</span><span>,</span><span style="font-family:宋體;">折彎角應(yīng)該越大。</span> </p> <p class="MsoNormal"> <span style="font-family:宋體;">根據(jù)實(shí)際情況</span><span>,</span><span style="font-family:宋體;">一道彎工件的展開尺寸為直角邊相加減去兩個板厚</span><span>,</span><span style="font-family:宋體;">完全可以滿足設(shè)計(jì)精度要求</span><span>,</span><span style="font-family:宋體;">根據(jù)經(jīng)驗(yàn)公式計(jì)算展開量可簡化計(jì)算過程大大提高生產(chǎn)效率</span><span>;</span><span style="font-family:宋體;">材質(zhì)的屈服強(qiáng)度越大</span><span>,</span><span style="font-family:宋體;">彈性回復(fù)量就越大</span><span>,</span><span style="font-family:宋體;">為獲得折彎件</span><span>90</span><span style="font-family:宋體;">度的角度</span><span>,</span><span style="font-family:宋體;">所需壓刀的角度就要設(shè)計(jì)的越小。<span style="font-family:宋體;">西安不銹鋼板進(jìn)行折彎加工的要點(diǎn)，</span>相對于碳鋼相同板厚的</span><span>304</span><span style="font-family:宋體;">不銹鋼板折彎角較大</span><span>,</span><span style="font-family:宋體;">這一點(diǎn)應(yīng)特別注意否則會出現(xiàn)壓彎裂紋</span><span>,</span><span style="font-family:宋體;">影響工件強(qiáng)度。無時非在該拉淡件由凸模外退沒時立刻產(chǎn)生</span><span>,</span><span style="font-family:宋體;">有時非在拉深變形先蒙碰打或者振靜時發(fā)熟</span><span>;</span><span style="font-family:宋體;">也有時在拉深變形先經(jīng)由一段時光的寄存或者在應(yīng)用進(jìn)程中才發(fā)作。</span> </p> <p class="MsoNormal"> <span style="font-family:宋體;">公司至成立以來，以“誠信、合作、雙贏、發(fā)展”為經(jīng)營宗旨，堅(jiān)持“價格**、用戶、信譽(yù)”的營銷理念，在市場上獲得了良好的口碑。</span> </p> <p class="MsoNormal"> <span style="font-family:宋體;"></span><span>&nbsp;&nbsp; </span><span style="font-family:宋體;"></span><span>029</span><span style="font-family:宋體;">—</span><span>88633755</span> </p> <p class="MsoNormal"> <span style="font-family:宋體;">詳情參考：</span><span>http://<a href="http://www.wujinshu.com" target="_blank">www.wujinshu.com</a></span> </p>