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;">激光加工用于再制造業是由相變硬化發展到激光表面合金化和激光熔覆，由激光合金涂層發展到復合涂層及陶瓷涂層，從而使得激光表面加工技術成為再制造的一項重要手段。它主要是采用</span>5KW~10KWCO2<span style="font-family:宋體;">高功率激光器及其系統。完成了激光燒結快速成型原理樣機研制，并采用環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用，但質量不穩定。目前已研制出具有光纖傳輸的固體激光加工系統，并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;">范圍內，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動機的汽缸套。激光加工技術今后幾年應結合已取得的預研成果，針對需求，成都不銹鋼加工，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沖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>