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</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="news497453.html">焊枪ç§ç±»ï¼šç¦å·žç£ç„Šæžªå’Œç”µç£ç„Šæžªä½ äº†è§£å—?</a> </div> <div id="1vqw39b74s" class="content"> <div id="1vqw39b74s" class="news_xaingxi"> <h1>焊枪ç§ç±»ï¼šç¦å·žç£ç„Šæžªå’Œç”µç£ç„Šæžªä½ äº†è§£å—?</h1> </div> <div id="1vqw39b74s" class="news_author"> æ¥æºï¼šhttp://goldsailusa.com/news497453.html å‘布时间ï¼?019-09-03 00:00:00 </div> <div id="1vqw39b74s" class="news_content"> <p> <strong><span style="font-size:16px;">焊枪ç§ç±»ï¼?/span></strong><strong><span style="font-size:16px;">ç¦å·ž<a href="//goldsailusa.com" target="_blank"><strong>ç£ç„Šæž?/strong></a></span></strong><strong><span style="font-size:16px;">和电ç£ç„Šæžªä½ äº†è§£å—?</span></strong> </p> <p> <span style="font-size:16px;">ç¦å·žç£ç„Šæž?/span><span style="font-size:16px;">的散光广泛用于钢筋的纵å‘连接以åŠé¢„应力钢筋和螺æ†ç«¯æ†çš„ç„ŠæŽ¥ã€‚äº®å…‰å¯¹ç„Šçš„åŽŸç†æ˜¯é€‰ç”¨</span><span style="font-size:16px;">ç¦å·žç£ç„Šæž?/span><span style="font-size:16px;">使两端钢筋ç»è¿‡ä½ŽåŽ‹å¼ºç”µæµæŽ¥è§¦ï¼Œé’¢ç­‹åŠ çƒ­åˆ°å¿…å®š温度åŽè½¯åŒ–,进行轴å‘压力镦粗,构æˆå¯¹æŽ¥ç„Šå¤´ã€‚连续亮光焊接,预热亮光焊接和亮光预热亮光焊接常用于亮光对焊工艺。关于IV级钢,有时通电并在焊接åŽè¿›è¡Œçƒ­å¤„ç†ã€?/span> </p> <p> <span style="font-size:16px;">ç”µé˜»ç„Šå¯¹æŽ¥ç„ŠæŽ¥å‘¨æœŸï¼Œå·¥è‰ºå‚æ•°å’Œå·¥ä»¶å‡†å¤‡ã€?/span> </p> <p> <span style="font-size:16px;">一ã€ç„пޥ呍æœ?/span> </p> <p> <span style="font-size:16px;">在电阻对接焊接过程中,两个工件始终å—压。当端é¢温度上å‡åˆ°ç„ŠæŽ¥æ¸©åº¦Tω时,</span><span style="font-size:16px;">ç¦å·žç£ç„Šæž?/span><span style="font-size:16px;">两个工件的端é¢ä¹‹é—´çš„è·ç¦»å°åˆ°å‡ åŸƒï¼Œè€Œä¸”端é¢ä¹‹é—´çš„原å­ç›¸äº’作用以在接头上构æˆä¸€èµ·çš„æ™¶ç²’。构æˆä¸€ä¸ªå…³èŠ‚ã€‚ç”µé˜»å¯¹æŽ¥ç„Šæœ‰ä¸¤ç§ç±»åž‹çš„焊接循环:æŒå¹³çš„压力和添加的锻压。å‰ä¸€ç§åŠ åŽ‹æœºæž„ç®€å•易行。åŽè€…有利于进步焊接质é‡ã€‚首è¦ç”¨äºŽåˆé‡‘钢,有色金属åŠå…¶åˆé‡‘的电阻对接焊。为了获得足够的塑性å˜å½¢å¹¶è¿›ä¸€æ­¥è¿›æ­¥æŽ¥å¤´è´¨é‡ï¼Œè¿˜åº”设置电æµé•¦é”»ç¨‹åºã€?/span> </p> <p> <span style="font-size:16px;">二ã€å·¥è‰ºå‚æ•?/span> </p> <p> <span style="font-size:16px;">电阻对接焊的首è¦å·¥è‰ºå‚æ•°æœ‰ï¼šæžæ€§ï¼Œå»¶ä¼¸é•¿åº¦ï¼Œç„ŠæŽ¥ç”µæµï¼ˆæˆ–焊接电æµå¯†åº¦ï¼‰ï¼Œç„ŠæŽ¥é€šç”µæ—¶é—´ï¼Œç„ŠæŽ¥åŽ‹åŠ›å’Œé•¦é”»åŽ‹åŠ›ã€?/span> </p> <p> <span style="font-size:16px;">1ã€å»¶ä¼¸é•¿åº¦l0是延伸超过夹紧电æž端é¢çš„工件长度。选择延伸长度时,有必è¦è€ƒè™‘两个因素:镦锻时工件的稳定性和夹具的散热。å‡å¦‚l0太长,工件将ä¸ç¨³å®šï¼Œè€Œä¸”在镦锻期间角è½ä¼šæ›²æŠ˜ã€‚å‡å¦‚l0太短,则对钳å£çš„æ•£çƒ­å¢žå¼ºï¼Œè€Œä¸”工件冷å´å¾—太强,这添加了塑性å˜å½¢çš„难度。关于直径为d的工件,一般为低碳钢:l0=ï¼?.5-1)d,é“和黄铜:l0=ï¼?-2)d,铜:l0=ï¼?.5-2.5)dã€?/span> </p> <p> <span style="font-size:16px;">2ã€?/span><span style="font-size:16px;">ç¦å·žç£ç„Šæž?/span><span style="font-size:16px;">焊接电æµIω和焊接时间tω在电阻对接焊接中,焊接电æµä¸€èˆ¬ç”±ç”µæµå¯†åº¦jω表明。Jω和tω是决定防水æ¿çƒ­ç†”片工件加热的两个首è¦å‚数。两者都能够在必定范围内相应地分é…。能够è¿ç”¨å¤§ç”µæµå¯†åº¦ï¼ŒçŸ­æ—¶é—´ï¼ˆå¼ºæ¡ä»¶ï¼‰ï¼Œå°ç”µæµå¯†åº¦å’Œé•¿æ—¶é—´ï¼ˆå¼±æ¡ä»¶ï¼‰ã€‚坿˜¯ï¼Œå½“æ¡ä»¶å¤ªå¼ºæ—¶ï¼Œå¾ˆç®€å•å‘生éžç©¿é€ç¼ºé™·ï¼›å½“它太软时,界é¢ç«¯é¢ä¼šè¢«ä¸¥é‡æ°§åŒ–,接åˆåŒºåŸŸçš„纹ç†ç¬ç²—ç³™ï¼Œå½±å“æŽ¥å¤´å¼ºåº¦ã€?/span> </p> <p> <span style="font-size:16px;">3ã€ç„ŠæŽ¥åŽ‹åŠ›Fω和镦锻压力Fu,Fω对接头处的å‘热和塑性å˜å½¢æœ‰å½±å“。é™ä½ŽFω有利于产热,但ä¸åˆ©äºŽå¡‘性å˜å½¢ã€‚因而,很简å•è¿ç”¨è¾ƒå°çš„Fω进行加热,而è¿ç”¨è¾ƒå¤§çš„Fuè¿›è¡Œé•¦é”»ã€‚å¯æ˜¯ï¼ŒFωä¸åº”该太低,å¦åˆ™ä¼šå¼•èµ·é£žæº…ï¼Œæ·»åŠ ç«¯é¢æ°§åŒ–,并导致界é¢é‚»è¿‘æ¾åЍã€?/span> </p> <p> <span style="font-size:16px;">三ã€å·¥ä»¶å‡†å¤?/span> </p> <p> <span style="font-size:16px;">在电阻对接焊接的情况下,两个工件的端é¢çš„形状和尺度应该相åŒï¼Œä»¥ä¿è¯å·¥ä»¶çš„加热和塑性å˜å½¢æ˜¯å…±åŒçš„。有必è¦ä¸¥æ ¼æ¸…æ´å·¥ä»¶çš„端é¢å’Œä¸Žå¤¹å…·æŽ¥è§¦çš„外表。端é¢ä¸Šçš„æ°§åŒ–物和æ‚è´¨å°†ç›´æŽ¥å½±å“æŽ¥å¤´çš„è´¨é‡ã€‚与夹具接触的工件外表上的氧化物和痰液会添加大接触点处的电阻导致工件外表焚烧,é’³å£ç£¨æŸåŠ é‡ï¼Œè€Œä¸”功率丢失添加ã€?/span> </p> <p> <span 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