摘要：<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;">西安不鏽鋼材料鑽孔時(shí)的注意事項(xiàng)</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;;">鑽削不鏽鋼材料時(shí)，經(jīng)常發(fā)現(xiàn)鑽頭容易磨損、折斷，孔表麵粗糙，有時(shí)出現(xiàn)深溝而無(wú)法消除；孔徑過(guò)大，孔形不圓或向一邊傾斜等現(xiàn)象。因此，西安不鏽鋼加工提醒在操作時(shí)應(yīng)注意下列事項(xiàng)：</span><span lang="EN-US"><span style="font-family:'Times New Roman';"> </span></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:'Times New Roman';"><span lang="EN-US">1</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;;">、幾何形狀必須刃磨正確，兩切削刃要保持對(duì)稱。鑽頭後角過(guò)大，會(huì)產(chǎn)生</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;;">紮刀</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;;">現(xiàn)象，引起顫振，使鑽出的孔呈多角形。應(yīng)修磨橫刃，以減小鑽孔軸向力。</span><span lang="EN-US"><span style="font-family:'Times New Roman';"> </span></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:'Times New Roman';"><span lang="EN-US">2</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;;">、鑽頭必須裝正，保持鑽頭鋒利，用鈍後應(yīng)及時(shí)修磨。</span><span lang="EN-US"><span style="font-family:'Times New Roman';"> </span></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:'Times New Roman';"><span lang="EN-US">3</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;;">、合理選擇鑽頭幾何參數(shù)和鑽削用量，按鑽孔深度要求，應(yīng)儘量縮短鑽頭長(zhǎng)度、加大鑽心厚度以增加剛性。使用高速鋼鑽頭時(shí)，切削速度不可過(guò)高，以防燒壞刀刃。進(jìn)給量不宜過(guò)大，以防鑽頭磨損加劇或使孔鑽偏，在切入和切出時(shí)進(jìn)給量應(yīng)適當(dāng)調(diào)小。</span><span lang="EN-US"><span style="font-family:'Times New Roman';"> </span></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:'Times New Roman';"><span lang="EN-US">4</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;;">、充分冷卻潤(rùn)滑，切削液一般以硫化油為宜，流量不得少於</span><span style="font-family:'Times New Roman';"><span lang="EN-US">5</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 style="font-family:'Times New Roman';"><span lang="EN-US">8L/min</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;;">，不可中途停止冷卻，在直徑較大時(shí)，應(yīng)儘可能采用內(nèi)冷卻方式。</span><span lang="EN-US"><span style="font-family:'Times New Roman';"> </span></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:'Times New Roman';"><span lang="EN-US">5</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;;">、認(rèn)真注意鑽削過(guò)程，應(yīng)及時(shí)觀察切屑排出狀況，若發(fā)現(xiàn)切屑雜亂卷繞立即退刀檢查，以防止切屑堵塞。還應(yīng)注意機(jī)床運(yùn)轉(zhuǎn)聲音，發(fā)現(xiàn)異常應(yīng)及時(shí)退刀，不能讓鑽頭在鑽削表麵上停留，以防鑽削表麵硬化加劇。</span><span lang="EN-US"><span style="font-family:'Times New Roman';"> </span></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;">在西安不鏽鋼工件上鑽孔常采用麻花鑽，對(duì)淬硬不鏽鋼，可用硬質(zhì)合金鑽頭，有條件時(shí)可用超硬高速鋼或超細(xì)晶粒硬質(zhì)合金鑽頭。鑽孔時(shí)扭矩和軸向力大，切屑易粘結(jié)、不易折斷且排屑困難，加工硬化加劇，鑽頭轉(zhuǎn)角處易磨損，鑽頭剛性差易產(chǎn)生振動(dòng)。因此要求鑽頭磨出分屑槽，修磨橫刃以減小軸向力，修磨成雙頂角以改善散熱條件。</span></span> </p> <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;"> <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;;">公司至成立以來(lái)，以</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;;">誠(chéng)信、合作、雙贏、發(fā)展</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;;">為經(jīng)營(yíng)宗旨，堅(jiān)持</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;;">價(jià)格**、用戶、信譽(yù)</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;;">的營(yíng)銷理念，在市場(chǎng)上獲得了良好的口碑。</span><span style="font-family:'Times New Roman';"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;</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 style="font-family:'Times New Roman';"><span lang="EN-US"><br /> </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;;">詳情參考：</span><span lang="EN-US"><a href="http://www.it147.com/"><span style="color:#0000ff;font-family:'Times New Roman';">http://www.it147.com </span></a></span> </p> <p style="margin:0cm 0cm 0pt;"> <br /> </p> </span> <p style="margin:0cm 0cm 0pt;"> <br /> </p> </span> <p style="margin:0cm 0cm 0pt;"> 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