摘要：<p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;"><span style="font-family:宋體;">西安不銹鋼激光加工</span></span><span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-fareast-font-family:宋體;"><span style="font-family:宋體;">發(fā)展</span></span><span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;"><span style="font-family:宋體;">趨勢(shì)</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;"><span style="font-family:宋體;">西安<span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-fareast-font-family:宋體;"><span style="font-family:宋體;">激光加工用于再制造業(yè)是由相變硬化發(fā)展到激光表面合金化和激光熔覆，由激光合金涂層發(fā)展到復(fù)合涂層及陶瓷涂層，從而使得激光表面加工技術(shù)成為再制造的一項(xiàng)重要手段。它主要是采用</span>5KW~10KWCO2<span style="font-family:宋體;">高功率激光器及其系統(tǒng)。完成了激光燒結(jié)快速成型原理樣機(jī)研制，并采用環(huán)氧聚脂和樹脂砂燒結(jié)粉末材料，快速成型出典型零件，如葉輪、齒輪。</span></span></span></span> </p> <p style="margin:0pt;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-fareast-font-family:宋體;"><span style="font-family:宋體;">國(guó)內(nèi)</span>70 <span style="font-family:宋體;">年代初已開始進(jìn)行激光加工的應(yīng)用研究，但發(fā)展速度緩慢。在激光制孔、激光熱處理、焊接等方面雖有一定的應(yīng)用，但質(zhì)量不穩(wěn)定。目前已研制出具有光纖傳輸?shù)墓腆w激光加工系統(tǒng)，并實(shí)現(xiàn)光纖耦合三光束的同步焊接和石英表芯的激光焊接。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-fareast-font-family:宋體;"><span style="font-family:宋體;">我國(guó)激光加工中以切割為主的占</span>10%<span style="font-family:宋體;">，其中</span><span style="font-family:'Times New Roman';">98%</span><span style="font-family:宋體;">以上的</span><span style="font-family:'Times New Roman';">CO2</span><span style="font-family:宋體;">激光器，功率在</span><span style="font-family:'Times New Roman';">1.5kW~2kW</span><span style="font-family:宋體;">范圍內(nèi)，而以熱處理為主的約占</span><span style="font-family:'Times New Roman';">15%</span><span style="font-family:宋體;">，大多數(shù)是進(jìn)行激光處理汽車發(fā)動(dòng)機(jī)的汽缸套。激光加工技術(shù)今后幾年應(yīng)結(jié)合已取得的預(yù)研成果，針對(duì)需求，成都不銹鋼加工，重點(diǎn)開展無(wú)缺陷氣膜小孔的激光加工及實(shí)時(shí)檢控技術(shù)、高強(qiáng)鋁</span><span style="font-family:'Times New Roman';">( </span><span style="font-family:宋體;">含鋁鋰、鋁鎂</span><span style="font-family:'Times New Roman';">) </span><span style="font-family:宋體;">合金的激光焊接技術(shù)、金屬零件的激光粉末燒結(jié)快速成型技術(shù)、激光精密加工及重要構(gòu)件的激光沖擊強(qiáng)化等項(xiàng)目的研究。</span></span><span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-fareast-font-family:宋體;"><br /> </span><span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-font-kerning:1.0000pt;mso-fareast-font-family:宋體;">&nbsp;&nbsp;&nbsp; &nbsp;</span> </p>