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<div class="title"> <h1><span>¼„³é’¢å¼¯å¤´å·¥è‰ºçš„缺陷äñ”生原å›?/span></h1></div> <div class="info"> <span class="date">å‘布旉™—´: 2020-08-04 15:00:08</span> <span class="hits" id="hits"><iframe src="/tool/Loads.asp?action=news&id=3572" style="width: 20px;height:11px;" frameborder="0" scrolling="no"></iframe></span> </div> </div> <div class="pics"> <div class="pagination"></div> </div> <div class="contents"> <p>  对于<a href="http://www.ideactivaexterior.com">¼„³é’¢å¼¯å¤´</a>而言åQŒå…¶¼„³é’¢å¼¯å¤´æœºç»„çš„è¿è¡Œæ˜¯å¦æ­£å¸¸åŒ–åQŒç›´æŽ¥å¯¹äºŽèžºæ—‹é’¢½Ž¡çš„生äñ”èµïL€å…³é”®æ€§çš„å½±å“作用。而螺旋钢½Ž¡æœº¾l„çš„˜q行åQŒå´å—到螺旋钢管焊接工艺的é™åˆÓž¼Œç„ŠæŽ¥å·¥è‰ºè¾ƒå¥½åˆ™èžºæ—‹é’¢½Ž¡æ•´ä½“è¿è¡Œè‰¯å¥½ï¼Œå之åQŒåˆ™ä¼šåª„å“到螺旋钢管的有åºåŒ–å‰è¡Œã€‚基于此åQŒåœ¨æœ¬æ–‡ä¸­ï¼Œé’ˆå¯¹èžºæ—‹é’¢ç®¡çš„金属焊接问题进行深入分æžï¼Œé’ˆå¯¹é‡‘属焊接工艺中存在问题,æå‡ºäº†ç›¸åº”的解决对策和方法ã€?/p> <p>  ¼„³é’¢å¼¯å¤´å·¥è‰ºçš„缺陷äñ”生原å›?/p> <p>  (1)金属焊接的气孔缺陗÷€‚在实际螺旋钢管˜q行中,在对金属˜q›è¡Œç„ŠæŽ¥ä¸­ï¼Œ¾~ºé™·æœ€ä¸ºé¢‘å‘çš„ž®±æ˜¯æ°”孔斚w¢çš„缺陗÷€‚如果焊接的部ä½å­˜åœ¨æ°´åˆ†æˆ–者锈˜q¹ï¼Œé‚£ä¹ˆåQŒè¯¥éƒ¨ä½å‘ç”Ÿä¸¥é‡æ°”å­”¾~ºé™·çš„几率就会骤然增大。尤其是在焊接的å¡å£å¤„,˜q™ä¸ªéƒ¨ä½æ˜¯æœ€ä¸ºå®¹æ˜“å‘生气孔缺é™ïLš„地方。å¦å¤–,在进行焊接中åQŒå¦‚æžœç„Šå‰‚å—æ½®æˆ–è€…å«æœ‰æ‚质,很容易å‘生气孔缺陗÷€‚å‘生气孔缺é™ïL„пޥåŽåQŒéœ€è¦ç„ŠæŽ¥çš„åœ°æ–¹å…¶å¯åˆ©ç”¨çš„颿U¯ï¼Œè‡ªç„¶ž®×ƒ¼š¾~©å°åQŒåŒæ—Óž¼Œæ°”å­”¾~ºé™·ç„ŠæŽ¥çš„å­˜åœ¨ï¼Œå¯¹äºŽé‡‘å±žæž„äšg的强度而言åQŒä¹Ÿä¼šé€ æˆè¾ƒå¤§çš„ç ´å,å‡å°‘金属的致密性。因此,在进行金属焊接中åQŒå¯¹äºŽæ°”孔缺é™ïL„ŠæŽ¥çš„‹‚€æŸ¥æ˜¯éžå¸¸é‡è¦çš„一个环节ã€?/p> <p>  (2)金属焊接的夹渣缺陗÷€‚在焊接的过½E‹ä¸­åQŒäñ”生一定数é‡çš„熔渣是肯定的åQŒè¿™äº›ç„ŠæŽ¥ä¸­å‡ºçŽ°çš„ç†”æ¸£ï¼Œå¾ˆå®¹æ˜“åœ¨ç„Šç¼ä¸­æ®‹ç•™ï¼Œ¾l§è€Œå¯¼è‡´äº†å¤Òޏ£¾~ºé™·çš„出现。熔渣的产生和夹渣缺陷äñ”生的原因˜q™ä¸¤è€…之间有很大密切的关¾p…R€‚在螺旋钢管焊接中,¼„±æ€§ç„Šæ¡åœ¨èžºæ—‹é’¢ç®¡ç„пޥ˜q‡ç¨‹ä¸­ï¼Œå—到˜q‡é•¿çš„电弧的影å“åQŒå¦å¤–,˜q˜æœ‰ä¸å‡†¼‹®çš„æžæ€§å’Œç„Šæ¡é”™ä½½{‰åŽŸå› çš„òq²æ‰°åQŒé€šè¿‡ä¸€å®šçš„焊接¾~éš™æ—Óž¼Œå„ç§çš„熔渣也ž®±é¡ºåŠ¿è¿›å…¥åˆ°äº†ç„Š¾~里é¢ï¼Œæœ€¾lˆå¯¼è‡´å¤¹æ¸£ç¼ºé™ïLš„产生ã€?/p> <p>  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(4)未焊é€ä¸Žæœªç†”åˆç¼ºé™—÷€‚在焊接˜q‡ç¨‹ä¸­ï¼Œæœ‰äº›éƒ¨ä½òq¶æ²¡æœ‰å®Œå…¨çš„焊é€ï¼Œç”±æ­¤å¯ÆD‡´äº†ç„ŠæŽ¥çš„æŽ¥å¤´æ šwƒ¨ä½ç½®åQŒå®¹æ˜“出现儿Uçš„ä¸å®Œå…¨ç†”é€çŽ°è±¡çš„å‘生。在螺旋钢管的焊接中åQŒç„ŠæŽ¥æ‰€ä½¿ç”¨çš„ç„Šä»¶å’Œç„Šç¼é‡‘属之间åQŒæˆ–者焊件和焊ç¼çš„中间部ä½ï¼Œæœ‰æœªå®Œå…¨ç†”é€çš„æƒ…况存在åQŒè¿™¿U没有彻底进行熔é€çš„现象åQŒå¯ä»¥ç§°ä¹‹äؓ未熔åˆç¼ºé™—÷€‚对于螺旋钢½Ž¡è€Œè¨€åQŒåœ¨å®žé™…的金属焊接过½E‹ä¸­åQŒæ— è®ºæ˜¯æœªç†”åˆç¼ºé™¯‚¿˜æ˜¯æœªç„Šé€çš„æƒ…况åQŒéƒ½æ˜¯è¾ƒä¸ÞZ¸¥é‡çš„焊接¾~ºé™·çš„体现ã€?/p> <p>  (5)裂纹¾~ºé™·ã€‚裂¾U¹ç¼ºé™äh˜¯èžºæ—‹é’¢ç®¡ç„ŠæŽ¥ä¸­ï¼Œæœ€ä¸¥é‡çš„缺陷之一åQŒèžºæ—‹é’¢½Ž¡ç›¸å…³äh员在˜q›è¡Œé‡‘属焊接中,è¦å¯¹è¯¥ç§¾~ºé™·˜q›è¡Œè§„é¿ã€‚在å„ç§çš„螺旋钢½Ž¡ç¼ºé™ïL ”½I¶ä¸­åQŒè£‚¾U¹ç¼ºé™·é¦–当其å†ÔŒ¼Œæˆäؓ了最关键性的研究é‡ç‚¹ã€‚在螺旋钢管日常工作中,需è¦è¿ç”¨ä¸åŒçš„æ–ÒŽ³•åQŒå¯¹äºŽç„ŠæŽ¥çš„è´¨é‡¾l™äºˆ‹‚€éªŒï¼Œé’ˆå¯¹å­˜åœ¨çš„裂¾U¹ç¼ºé™øP¼Œ¾l™äºˆåŠæ—¶çš„补救ã€?/p> </div> </div> <br /> <div class="other clearfix"> <ul class="left"> <p>上一æ? <a href="/jswz/3500.html">法兰外表¾_—ç³™åº¦å¯¹å¯†å°æ•ˆæžœçš„媄</a> </p> <p> 下一æ? <a href="/jswz/3575.html">ä¸é”ˆé’¢å¼¯å¤´è¡¨é¢å¤„ç†å·¥è‰ºæœ‰å“ªäº›</a></p> 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