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;">西安不鏽鋼激光加工</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</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;">激光加工用於再製造業(yè)是由相變硬化發(fā)展到激光表麵合金化和激光熔覆，由激光合金塗層發(fā)展到複合塗層及陶瓷塗層，從而使得激光表麵加工技術成為再製造的一項重要手段。它主要是采用</span>5KW~10KWCO2<span style="font-family:宋體;">高功率激光器及其係統(tǒng)。完成了激光燒結快速成型原理樣機研製，並采用環(huán)氧聚脂和樹脂砂燒結粉末材料，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;">國內</span>70 <span style="font-family:宋體;">年代初已開始進行激光加工的應用研究，但發(fā)展速度緩慢。在激光製孔、激光熱處理、焊接等方麵雖有一定的應用，但質量不穩(wěn)定。目前已研製出具有光纖傳輸的固體激光加工係統(tǒng)，並實現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;">範圍內，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;">，大多數是進行激光處理汽車發(fā)動機的汽缸套。激光加工技術今後幾年應結合已取得的預研成果，針對需求，成都不鏽鋼加工，重點開展無缺陷氣膜小孔的激光加工及實時檢控技術、高強鋁</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、金屬零件的激光粉末燒結快速成型技術、激光精密加工及重要構件的激光衝擊強化等項目的研究。</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>