摘要：<span style="font-family:宋體;">不銹鋼板折彎特性簡(jiǎn)介</span> <p> <span style="font-family:宋體;"> </p> <p> <span style="font-family:宋體;">不銹鋼板根據(jù)特性，一般來說：</span><span><br /> 1、</span><span style="font-family:宋體;">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(shè)備時(shí)折彎力的裕量應(yīng)該更大；</span><span>&nbsp;&nbsp;</span> </p> <p> <span>2、</span><span style="font-family:宋體;">單位尺寸下，抗拉強(qiáng)度越大，延伸率越小，<span style="font-family:宋體;">不銹鋼板折彎特性簡(jiǎn)介，</span>所需折彎力越大，折彎角應(yīng)該越大；</span><span>&nbsp;&nbsp;</span> </p> <p> <span>3、</span><span style="font-family:宋體;">設(shè)計(jì)圖中板厚與折彎半徑對(duì)應(yīng)情況下，根據(jù)經(jīng)驗(yàn)，一道彎工件的展開尺寸為直角邊相加減去兩個(gè)板厚，完全可以滿足設(shè)計(jì)精度要求，根據(jù)經(jīng)驗(yàn)公式計(jì)</span> <span style="font-family:宋體;">算展開量可簡(jiǎn)化計(jì)算過程大大提高生產(chǎn)效率；</span><span>&nbsp;&nbsp;</span> </p> <p> <span>4、</span><span style="font-family:宋體;">材質(zhì)的屈服強(qiáng)度越大，彈性</span> <span style="font-family:宋體;">回復(fù)量就越大，為獲得折彎件</span><span>90</span><span style="font-family:宋體;">度的角度，所需壓刀的角度就要設(shè)計(jì)的越小。<span style="font-family:宋體;">不銹鋼板折彎特性簡(jiǎn)介，</span>相對(duì)于碳鋼相同板厚的不銹鋼折彎角較大，這一點(diǎn)應(yīng)特別注意否則會(huì)出現(xiàn)壓彎裂紋，影響工件強(qiáng)度。</span> </p> <p> 由于不銹鋼本身屈服點(diǎn)高，</span> <span style="font-family:宋體;">硬度高，</span> <span style="font-family:宋體;">冷作硬化效應(yīng)顯著，</span> <span style="font-family:宋體;">不銹鋼板進(jìn)行折彎時(shí)其特點(diǎn)如下：</span><span>&nbsp;&nbsp;</span> </p> <p> <span>1 、</span><span style="font-family:宋體;">因?qū)嵝员绕胀ǖ吞间摬?，延伸率低，?dǎo)致所需變形力大；</span><span>&nbsp;&nbsp;</span> </p> <p> <span>2、</span><span style="font-family:宋體;">不銹鋼板料在折彎時(shí)與碳鋼相比有強(qiáng)烈的回彈傾向；</span><span>&nbsp;&nbsp;</span> </p> <p> <span>3、</span><span style="font-family:宋體;">不銹鋼板相對(duì)于碳鋼由于延伸率低，</span><span style="font-family:宋體;">不銹鋼板折彎特性簡(jiǎn)介，</span><span style="font-family:宋體;">折彎時(shí)工件折彎角</span><span>R</span><span style="font-family:宋體;">要大于碳鋼，否則有出現(xiàn)裂紋的可能；</span><span>&nbsp;&nbsp;</span> </p> <p> <span>4、</span><span style="font-family:宋體;">由于不銹鋼板硬度高，冷作硬化效應(yīng)顯著因此在選擇壓彎刀具時(shí)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 style="font-family:宋體;">其表面粗糙度要比碳鋼的壓彎刀具高一個(gè)數(shù)量級(jí)。</span><span>&nbsp;</span> </p> <p> <span></span> </p>