摘要：<span style="font-family:宋體;font-size:small;"> </span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;"><a href="http://www.it147.com/timemodel/firstctg/2013-09-30/3140744/1.html" target="_blank">西安不銹鋼加工</a>時(shí)主要的難點(diǎn)</span></span><span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">一、加工時(shí)，刀具與工具的發(fā)熱量高，刀具易磨損，因此，對(duì)刀具要有一定的要求，要耐磨耐高溫。同時(shí)，做到刃口要鋒利，選擇合理角度。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">二、轉(zhuǎn)速慢，切削時(shí)受力較大。生產(chǎn)效率不高。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">三、發(fā)熱量高，冷卻油選擇很重要，一般用氯化硫。效果較好。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">四、鉆深孔及攻絲，難度*大。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">五、加工不銹鋼，工人要有一定的經(jīng)驗(yàn)和過(guò)硬的技術(shù)。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">西安不銹鋼的加工性能：</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">1、</span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼切削時(shí)塑形大、韌性高，切削時(shí)消耗能量大，切削溫度高。不銹鋼導(dǎo)熱率低，散熱不好易形成刀具高溫</span><span style="font-family:'Times New Roman';"><span lang="EN-US">;</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼粘結(jié)凝焊性強(qiáng)，切削過(guò)程中易形成積屑瘤</span><span style="font-family:'Times New Roman';"><span lang="EN-US">;</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼加工硬化傾向強(qiáng)，切削表面易形成硬化層</span><span style="font-family:'Times New Roman';"><span lang="EN-US">;</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼不易斷屑，切削過(guò)程中易堵塞，影響加工表面的光潔。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">2、</span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼切削刀具：前角，前角不易太大，一般取</span><span style="font-family:'Times New Roman';"><span lang="EN-US">12--30°;</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">前面，前面磨出月牙形導(dǎo)屑槽可改善切削條件</span><span style="font-family:'Times New Roman';"><span lang="EN-US">;</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">后角，對(duì)硬質(zhì)合金車刀，后角應(yīng)為</span><span style="font-family:'Times New Roman';"><span lang="EN-US">6--10°</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">，對(duì)高速鋼車刀，后角應(yīng)為</span><span style="font-family:'Times New Roman';"><span lang="EN-US">8--12°;</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">主偏角</span><span style="font-family:'Times New Roman';"><span lang="EN-US">60--75°;</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">副偏角，應(yīng)為</span><span style="font-family:'Times New Roman';"><span lang="EN-US">8--20°;</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">在粗車時(shí)應(yīng)大于零，在精車</span></span><span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">時(shí)應(yīng)小于零</span><span style="font-family:'Times New Roman';"><span lang="EN-US">;</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">刀尖半徑，一般為</span><span style="font-family:'Times New Roman';"><span lang="EN-US">0.2--0.8mm</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">。</span></span><span style="font-family:宋體;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:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">3、</span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼切削中的冷卻潤(rùn)滑：采用冷卻潤(rùn)滑性能較好的潤(rùn)滑液，如硫化油、極壓乳化油、錠子油、油酸或植物油等。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span lang="EN-US"><span style="font-family:'Times New Roman';font-size:small;">&nbsp;</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span>