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地å€ï¼šç¦å»ºçœç¦å·žå¸‚é—½ä¾¯åŽ¿è†æºªé•‡è‰¾å¯†å…‹ä¼ä¸šå›? </dd> </dl> </div> </div> </div> <div id="1vqw39b74s" class="main_right"> <div id="1vqw39b74s" class="sitemap"> 当å‰ä½ç½®ï¼?a href="/">首页</a> > <a href="newstype21002.html">行业新闻</a> > <a href="news497481.html">é¿å…å‘生焊接应力与å˜å½¢çš„办法-ç¦å·žæŒ¤å‡ºå¼å¡‘料焊æž?/a> </div> <div id="1vqw39b74s" class="content"> <div id="1vqw39b74s" class="news_xaingxi"> <h1>é¿å…å‘生焊接应力与å˜å½¢çš„办法-ç¦å·žæŒ¤å‡ºå¼å¡‘料焊æž?/h1> </div> <div id="1vqw39b74s" class="news_author"> æ¥æºï¼šhttp://goldsailusa.com/news497481.html å‘布时间ï¼?019-11-13 00:00:00 </div> <div id="1vqw39b74s" class="news_content"> <p> <span style="font-size:14px;"><strong>é¿å…å‘生焊接应力与å˜å½¢çš„办法-ç¦å·žæŒ¤å‡ºå¼å¡‘料焊æž?/strong></span> </p> <p> <span style="font-size:14px;">焊接应力与å˜å½¢å¯¹ç„Šä»¶çš„è´¨é‡æœ‰ä¸¥å³»çš„å½±å“,</span><span style="font-size:14px;">ç¦å·žæŒ¤å‡ºå¼å¡‘料焊æž?/span><span style="font-size:14px;">在焊接进程中应采纳一些办法使其尽é‡å‡å°ï¼Œä»¥æé«˜ç„ŠæŽ¥è´¨é‡ã€?/span> </p> <p> <span style="font-size:14px;">一ã€é¿å…å’Œå‡å°ç„ŠæŽ¥åº”åŠ›çš„åŠžæ³?/span> </p> <p> <span style="font-size:14px;">é¿å…å’Œå‡å°ç„ŠæŽ¥åº”åŠ›ï¼Œåº”ä»Žè§„åˆ’å’Œå·¥è‰ºä¸¤æ–¹é¢æ¥åŠ ä»¥æ“æŽ§å’Œè°ƒèŠ‚ï¼Œä»Žè§„åˆ’ä¸Šåº”åŠ›æ±‚å°½é‡å‡å°ç»“æž„çš„ç„Šç¼æ•°é‡?é¿å…焊ç¼è¿‡äºŽé›†ä¸­;还è¦é€‰ç”¨åˆšæ€§è¾ƒå°çš„æŽ¥å¤´æ–¹å¼ã€‚è€Œç„Šå·¥ä¸»è¦æ˜¯ä»Žå·¥è‰ºä¸Šé‡‡çº³å¦‚下办法ã€?/span> </p> <p> <span style="font-size:14px;">1. 选用åˆç†çš„焊接次åº?/span> </p> <p> <span style="font-size:14px;">在一个焊接结构中,焊接次åºå¯¹ç„ŠæŽ¥æ®‹ä½™åº”åŠ›çš„å·¨ç»†æœ‰å¾ˆå¤§å½±å“。如对接焊ç¼ä¸Žè§’焊ç¼äº¤å‰çš„结构,应先焊对接焊ç¼ï¼Œä½¿å…¶èƒ½è‡ªåœ¨ç¼©çŸ­ï¼Œå†ç„Šè§’焊ç¼ã€‚如对大é¢ç§¯å¹³æ¿æ‹¼æŽ¥ï¼Œæ­£ç¡®çš„æ¬¡åºæ˜¯å…ˆç„ŠçŸ­ç„Šç¼ï¼ŒåŽç„Šé•¿ç„Šç¼ã€?/span> </p> <p> <span style="font-size:14px;">2.下é™ç„Šç¼çš„æ‹˜æŸåº¦</span> </p> <p> <span style="font-size:14px;">在平æ¿ä¸Šé•¶æ¿çš„关闭焊接时拘æŸåº¦è¾ƒå¤§ï¼Œä¸ºå‡å°ç„ŠæŽ¥åº”力,应设法å‡å°æ‹˜æŸåº¦ã€‚将平æ¿å­”的边际åšé€‚当的翻边,焊接时焊ç¼çš„缩短能将翻边拉平,而å‡å°åº”力。或将镶å—压凹,预留缩短余é‡ã€‚这两ç§åŠžæ³•æœèƒ½æœ‰æ•ˆåœ°å‡å°ç„ŠæŽ¥åº”åŠ›ã€?/span> </p> <p> <span style="font-size:14px;">3.加热å‡åº”区法</span> </p> <p> <span style="font-size:14px;">ç¦å·žæŒ¤å‡ºå¼å¡‘料焊æž?/span><span style="font-size:14px;">焊接时加热那些阻ç¢ç„ŠæŽ¥åŒºè‡ªåœ¨ä¼¸ç¼©çš„éƒ¨ä½?称“å‡åº”区â€?。加热å‡åº”区的关键是找准“å‡åº”区â€ï¼Œå¦åˆ™å°±é€‚å¾—å…¶å。加热å‡åº”区法一大的特点是ä¸åœ¨ç„Šç¼é‚»è¿‘åŠ çƒ­ï¼Œè€Œæ˜¯è¦æ‰¾ä¸€ä¸ªèƒ½æ¶ˆé™¤ç„Šç¼åº”力的方ä½åŠ çƒ­ã€‚è¿™ä¸ªæ–¹ä½æ‰¾çš„æ˜¯å¦æ­£ç¡®ï¼Œåœ¨åŠ çƒ­çš„æ—¶å€™ä¾¿å¯éªŒè¯ï¼šç„Šå‰åŠ çƒ­æ—¶è£‚çº¹å¤„çš„ç¼éš™å¢žå¤§ï¼Œåˆ™æ–¹ä½é€‰æ‹©æ­£ç¡®;å¦åˆ™ä¾¿ä¸æ­£ç¡®ã€‚è¿™ç§åŠžæ³•åœ¨ç„Šè¡¥é“¸é“æ—¶åº”用多ã€?/span> </p> <p> <span style="font-size:14px;">4.锤击</span> </p> <p> <span style="font-size:14px;">锤击是在焊åŽç„Šç¼æœªå†·å´ä¹‹å‰ï¼Œç”¨å°é”¤æ•²å‡»ç„Šç¼ï¼Œä½¿éŸ©ç²‰æ¨ªå‘延展,以抵消横å‘缩短。锤击的温度ä»?00~500℃为宜,低于500℃ä¸è¡Œå†æŒç»­é”¤å‡»ã€‚此办法适用于强度高ã€å¡‘形差的资料ã€?/span> </p> <p> <span style="font-size:14px;">5.热处ç?/span> </p> <p> <span style="font-size:14px;">热处ç†å‡ ä¹Žèƒ½æ‚‰æ•°æ¶ˆé™¤ç„Šç¼çš„内应力。其办法有整体热处ç†å’Œéƒ¨åˆ†çƒ­å¤„ç†ã€‚æ ¹æ®ç„Šä»¶çš„原料ä¸åŒï¼Œå·¥ä½œæ¡ä»¶ä¸åŒï¼Œåˆ™çƒ­å¤„ç†æ„图ä¸åŒï¼Œç„ŠåŽçƒ­å¤„ç†ä¸€èˆ¬æœ‰é€€ç«ã€æ­£ç«å’Œé«˜æ¸©å›žç«ç­‰å¤„ç†åŠžæ³•ï¼Œå…³äºŽé«˜å¼ºåº¦èµ„æ–™å¤šç”¨é«˜æ¸©å›žç«ã€‚如下表列出常用金属资料消除应力的回ç«çš„æ¸©åº¦ï¼Œä¾›çƒ­å¤„ç†æ—¶å‚阅ã€?/span> </p> <p> <span style="font-size:14px;">焊åŽçƒ­å¤„ç†æœ‰å¿…è¦ç„ŠåŽç«‹å³è¿›è¡Œï¼Œå°¤å…¶æ˜¯é«˜å¼ºèµ„料,档焊件冷å´ä¸‹æ¥å°±æˆ–许å‘生焊接裂纹,若ä¸åŠæ—¶å¤„ç†ä¾¿ä¼šå‘生裂纹。气焊件都是å°ä»¶ï¼Œå‡å¦‚需è¦è¿›è¡Œçƒ­å¤„ç†ï¼Œå‡å¯è¿›è¡Œæ•´ä½“热处ç†ã€‚为了确ä¿åŠ çƒ­æ—¶ä¸å‘生应力,热处ç†åŠ çƒ­é€Ÿåº¦åº”æ“æŽ§åœ¨200â„?h,ä¿æ¸©æ—¶é—´è§†å·¥ä»¶åŽšåº¦è€Œå®šï¼Œä¸€èˆ¬æŒ‰æ¯lin(25.4mm)厚度1h计算,然åŽåœ¨ç©ºæ°”中冷å´ï¼Œå…³äºŽé€€ç«è¾ƒéš¾çš„高åˆé‡‘钢也å¯ä»¥éšç‚‰å†·å´ã€?/span> </p> <p> <span style="font-size:14px;">二ã€é¿å…å’Œå‡å°ç„пޥå˜å½¢çš„办æ³?/span> </p> <p> <span style="font-size:14px;">å‡å°ç„пޥå˜å½¢åº”é¦–å…ˆä»Žè§„åˆ’ä¸Šç€æ‰‹ï¼Œå³åœ¨è§„划焊接结构时,å°½é‡é€‰æ‹©å°çš„焊ç¼å°ºå¯¸å’Œå¡å£æ–¹å¼?å°½é‡å‡å°‘焊ç¼çš„æ•°é‡?åˆç†å®‰æŽ’ç„Šç¼æ–¹ä½;有利于å‡å°ç„пޥå˜å½¢ã€‚在工艺上还应采纳如下办法ã€?/span> </p> <p> <span style="font-size:14px;">1.选用åˆç†çš„装焊次åºï¼ˆ</span><span style="font-size:14px;">ç¦å·žæŒ¤å‡ºå¼å¡‘料焊æž?/span><span style="font-size:14px;">ï¼?/span> </p> <p> <span style="font-size:14px;">如两æ¡é•¿ç›´å¯¹ç§°ç„Šç¼ï¼Œä¸ç®¡å…ˆç„Šå“ªä¸€æ¡éƒ½ä¼šå‘生曲折å˜å½¢ï¼Œæ˜¯ä¸¤ç„Šç¼ä¸€èµ·ç„ŠæŽ¥ï¼Œå‡å¦‚åšä¸åˆ°ï¼Œå¯ä»¥åˆ†æ®µç„ŠæŽ¥ã€‚æ­¤ä¾‹ä¸ºä¸€ä¸ªç®€ç•¥çš„æž„ä»¶ï¼Œå…¶å®žå…³äºŽä¸€äº›æ‚乱结构,选用åˆç†çš„装焊次åºå…³äºŽå‡å°ç„пޥå˜å½¢ä½œç”¨æ˜¯å¾ˆå¤§çš„。比方桥å¼èµ·é‡æœºçš„箱形æ¢è…¹æ¿ä¸Žä¸Šç›–æ¿çš„焊接,因为两æ¡ç„Šç¼ä½äºŽä¸Šç›–æ¿çš„两边际上,是两æ¡ç„Šç¼ä¸€èµ·ç„ŠæŽ¥ã€‚å¦åˆ™ä¸€å®šå‘å…ˆç„Šçš„ç„Šç¼æ–¹å‘曲折。å‡å¦‚æ¡ä»¶ä¸å…许,åªèƒ½åˆ†æ®µç„ŠæŽ¥ã€‚è¿™æ ·ä¸åªå¯ä»¥å‡å°ç„ŠæŽ¥åº”åŠ›ï¼Œè¿˜èƒ½æœ‰æ•ˆåœ°å‡å°ç„пޥå˜å½¢ã€?/span> </p> <p> <span style="font-size:14px;">2.刚性固定法</span> </p> <p> <span style="font-size:14px;">将焊件夹紧,使其处于ä¸能自在å˜å½¢çжæ€ä¸‹ç„ŠæŽ¥ï¼Œå¯ä»¥æœ‰æ•ˆåœ°å‡å°ç„пޥå˜å½¢ã€‚Tå½¢æ¢çš„刚性固定法焊接的方案。Tå½¢æ¢ç„ŠæŽ¥è¿›ç¨‹ä¸­ä¼šå‘生两ç§å˜å½¢:一是因角焊ç¼çš„æ¨ªå‘缩短引起的角å˜å½¢;二是因焊ç¼çš„纵å‘缩短引起的曲折å˜å½¢ã€‚è¦æˆ˜èƒœè¿™ä¸¤ç§å˜å½¢å¯ä»¥å°†å¹³æ¿(翼æ¿)刚性固定起æ¥ã€?/span> </p> <p> <span style="font-size:14px;">3.åå˜å½¢æ³•</span> </p> <p> <span style="font-size:14px;">焊å‰ä½¿å·¥ä»¶æœ‰ä¸€ä¸ªä¸Žç„ŠåŽå˜å½¢ç›¸åæ–¹å‘ã€å·¨ç»†é€‚当的å˜å½¢ï¼Œä»¥ä½¿èƒ½æ•²å¥½æŠµæ¶ˆç„ŠæŽ¥æ—¶èƒ½å‘生的å˜å½¢ã€‚å¹³æ¿ä»¥å¯¹æŽ¥æ—¶é¿å…è§’å˜å½¢çš„åå˜å½¢åŠžæ³•ï¼Œå…¶åå˜å½¢çš„角度巨细è¦åˆé€?电渣焊对接立焊的åå˜å½¢æ³•;战胜工字æ¢ç¿¼æ¿è§’å˜å½¢çš„åå˜å½¢æ³?çƒç½å‡ºå£ä»¶å…³é—­ç„Šç¼é¿å…塌陷的åå˜å½¢æ³•;æ¡¥å¼èµ·é‡æœºç®±å½¢æ¢ä¸ºé¿å…因焊ç¼çºµå‘缩短引起曲折å˜å½¢è€Œé¢„制上拱度的åå˜å½¢æ³•。(</span><span style="font-size:14px;">ç¦å·žæŒ¤å‡ºå¼å¡‘料焊æž?/span><span style="font-size:14px;">ï¼?/span> </p> <p> <span style="font-size:14px;">åå˜å½¢æ³•的应用,应根æ®ä¸åŒçš„状况而确认如何进行åå˜å½¢å¤„ç†ï¼Œä¸€èˆ¬æ¥è¯´ï¼Œç„Šç¼çš„æ¨ªå‘缩短能引起角å˜å½¢ï¼Œè¾ƒå¤šçš„并排在一起的焊ç¼çš„æ¨ªå‘缩短,能引起较明显的横å‘缩短,ä½äºŽè¾¹é™…的长焊ç¼çš„纵å‘缩短能引起明显的曲折å˜å½¢ï¼Œç„пޥæ“作时,应根æ®ä¸åŒçš„结构和或许å‘生å˜å½¢çš„状况,进行åå˜å½¢å¤„ç†ã€?/span> </p> <p> <span style="font-size:14px;">ç¦å·žæ°å› ç‰¹å¡‘料焊接设备有é™å…¬å¸ä¸“业从äº?a href="//goldsailusa.com" target="_blank"><strong>ç£ç„Šæž?/strong></a>,<a href="//goldsailusa.com" target="_blank"><strong>土工膜焊接机</strong></a>,爬焊æœ?<a href="//goldsailusa.com" target="_blank"><strong>热风焊枪</strong></a>等焊接设备,</span><span style="font-size:14px;">ç¦å·žæŒ¤å‡ºå¼å¡‘料焊枪等ï¼?/span><span style="font-size:14px;">若有相关方é¢çš„需è¦ï¼Œæ¬¢è¿Žå’¨è¯¢æˆ‘们ï¼?/span> </p> <div> <img src="/img.ashx?shopid=17738&file=20191113054145.jpg" /><br /> </div> </div> <div id="1vqw39b74s" class="pagess"> <ul> <div>上一æ¡ï¼š<a href="news497482.html">ç¦å·žæŒ¤å‡ºå¼å¡‘料焊枪影å“焊接外观的因素</a></div><div>下一æ¡ï¼š<a href="news497480.html">ç¦å·žç£ç„ŠæžªåŽ‚å®¶çš„ç£ç„Šæžªä¿æŠ¤æµç¨?/a></div> </ul> 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