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</div> </div> </div> </div> <div id="right"> <div class="right_top"> <h3>新闻详细</h3> </div> <div class="right_center"> <div class="right_bottom"> <div class="detail"> <div class="content"> <h1>‹È€å…‰åˆ‡å‰²è¿‡½E‹ä¸­å‡ºçŽ°é—®é¢˜åº”该怎样解决</h1> <h6>发布旉™—´ : 2020-11-28 </h6> <h6>来源åQ?a href='http://www.alienbacon.com/news/133.html'>http://www.alienbacon.com/news/133.html</a></h6> <div class="public" id="zoom"> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">很多工作人员在ä‹É用激光切割的时候经å¸æ€¼šé‡åˆ°åˆ‡å‰²ææ–™çƒ§è¾¹çš„情å†üc€‚主要是因äؓ在小孔的加工中,孔外侧虽然可获得充分的冷åß_¼Œå•å­”内侧的小孔部分却因äؓ热量可扩散的½Iºé—´ž®ï¼Œçƒ­é‡˜q‡äºŽé›†ä¸­ä»Žè€Œå¼•èµ¯‚¿‡çƒ§ï¼ŒæŒ‚渣½{‰é—®é¢˜ã€‚另外,在厚板切割中åQŒç©¿å­”时所产生的堆¿U¯åœ¨ææ–™è¡¨é¢çš„熔融金属以及热量积累会使辅助气‹¹ç´Šä¹±ã€çƒ­é‡è¾“入过多,从而引发过烧ã€?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">如果是在¼„³é’¢ž®å­”切割时äñ”生过烧,可以在以氧气ä¸ø™¾…助气体的¼„³é’¢åˆ‡å‰²ä¸­ï¼ŒæŠ‘制氧化反应热的产生åQŒè¿™æ˜¯è§£å†³é—®é¢˜çš„关键。可采用½I¿å­”时辅助氧气,滞后切换ä¸ø™¾…助空气或氮气来切割的æ–ÒŽ³•ã€‚è¿™¿Uæ–¹æ³•å¯åŠ å·¥1/6厚板的小孔ã€?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">低频率、高峰å€ÆD¾“出功率的脉冲切割条äšgå…ähœ‰èƒ½å‡ž®‘热量输出的特点åQŒæœ‰åŠ©äºŽåˆ‡å‰²æ¡äšg的优化。把条äšg讑֮šä¸ºå•ä¸€è„‰å†²‹È€å…‰æŸã€çƒ­é‡å¼ºåº¦å¤§çš„高峰å€ÆD¾“出、低频条ä»Óž¼Œå¯å‡ž®‘穿孔过½E‹ä¸­ç†”融金属在材料表面的堆积åQŒæŠ‘制热量的输出ã€?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">如果是在铝合金及不锈钢切割中出现烧边åQšåœ¨æ­¤ç±»ææ–™åŠ å·¥ä¸­ï¼Œä½¿ç”¨çš„辅助气体是氮气åQŒåœ¨åˆ‡å‰²ä¸­ä¸€èˆ¬æ˜¯ä¸ä¼šå‘生烧边问题的,但是ç”׃ºŽž®å­”内侧材料的温度很高,内侧的挂渣现象将比较频繁ã€?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">可以加大辅助气体的压力,ž®†æ¡ä»¶è®¾ä¸ºé«˜å³°å€ÆD¾“出、低频率的脉冲条件。辅助气体ä‹É用空气时也和使用氮气时一æ øP¼Œæ˜¯ä¸ä¼šå‘生过烧的åQŒä½†å´å¾ˆå®ÒŽ˜“在底部出现挂渣,˜q™æ—¶éœ€è¦å°†æ¡äšg讄¡½®ä¸ºé«˜è¾…助气体压力、高峰å€ÆD¾“出、低频率的脉冲条件ã€?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">‹È€å…‰åˆ‡å‰²æŠ€æœ¯ç›¸æ¯”其它传¾lŸçš„切割方式å…ähœ‰æ— æ³•æ¯”拟的明显优势,‹È€å…‰åˆ‡å‰²æœºä¸ä½†å…ähœ‰åˆ‡ç¼½H„,工äšg变åŞž®çš„主要ç‰ÒŽ€§è€Œä¸”‹È€å…‰åˆ‡å‰²å…·æœ‰é€Ÿåº¦å¿«ã€æ•ˆçŽ‡é«˜ã€æˆæœ¬ä½Žã€æ€§èƒ½½E›_®š½{‰ç‰¹ç‚V€?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">因此åQŒäؓ了提高激光切割的效率和出品率åQŒè¦é¿å…å‡ºçŽ°çƒ§è¾¹çš„问题,使用者可以参考以上方法进行操作,òq¶æ³¨æ„æ“ä½œæ–¹æ³•ï¼Œä»¥è¾¾åˆ°è‡ªå·±æƒ³è¦çš„效果ã€?/span> </p> <p><div>上一æ?<a href="134.html">‹È€å…‰åˆ‡å‰²åŠ å·¥çš„可取之处及其质量衡量标准</a></div> <div>下一æ?<a href="132.html">矛_®¶åº„管材切割有哪些施工æ–ÒŽ³•</a></div> </p> </div> <div class="clear"></div> </div> <div class="tag">相关标签:<a href='/key.aspx?k=%e6%bf%80%e5%85%89%e5%88%87%e5%89%b2'>‹È€å…‰åˆ‡å‰?/a>,</div> <div class="comment_tit"> <h4><span>相关信息</span></h4> </div> <div class="commend_list"> <ul> <li><a href="/news/153.html" rel="nofollow">矛_®¶åº„激光切割如何确保精密度çš?/a></li> <li><a href="/news/152.html" 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