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target="_blank">­‘…声波焊æŽ?/a></strong>讑֤‡éµåó@两个设计观念之一åQšâ‘ æ¨¡å—¾pȝ»ŸåQŒâ‘¡é›†æˆ¾pȝ»Ÿã€?br />     在模块系¾lŸä¸­åQŒæŽ§åˆ¶è£…¾|®å’Œç”‰|ºä¸Žä¼ åŠ¨è£…¾|®åˆ†¼›…R€‚当需要高水åã^控制和初始设备制造商要求包装方便æ—Óž¼Œé€šå¸¸é‡‡ç”¨æ¨¡å—式系¾lŸã€‚集成系¾lŸä­hæ ÆD¾ƒä½Žï¼Œä½†æŽ§åˆ¶ä¹Ÿž®‘ã€?br />     1)焊接原理上理解误åŒ?br />     有相当一部分从事多年­‘…声波焊接方面的人员.对超声能量地传递有一¿Uè¯¯è§?认äؓ是音波在接触面进行焊æŽ?其实˜q™æ˜¯ä¸€¿Uè¯¯è§?真正的超声æ‡L焊接原理æ˜?换能器把电能转换为机械后,通过工äšg物质分子˜q›è¡Œä¼ å¯¼,声æ‡L在固体中åœîC¼ å¯¼å£°é˜»è¿œž®äºŽåœ¨ç©ºæ°”中的声é˜?当声波通过工äšg接缝æ—?¾~éš™ä¸­çš„声阻å¤?产生的热能相当就å¤?温度首先辑ֈ°å·¥äšg的容ç‚?再加上一定的压力,使接¾~ç†”æŽ?而工件的其它部分ç”׃ºŽçƒ­é˜»ž®?温度低不会熔æŽ?其原理同电工学中的欧姆定律类ä¼?<br />     2)å·¥äšg材料误区:<br />     <a href="http://www.s-donscorpio.com/csbhjj/csbhjj6/" target="_blank">­‘…声波焊接机</a>对要焊接的工件材质也是有要求çš?不是所有材料都能焊æŽ?有äh理解ä¸ÞZ“Q何材料都可以焊接,˜q™æ˜¯ä¸€ä¸ªå¾ˆå¤§çš„误解.不同¿Uæè´¨ä¹‹é—´æœ‰çš„能更好地焊æŽ?有的是基本能相熔,有的是不相熔çš?同一材料之间熔点是相同的,从原理讲是可以焊接的,但是当要焊接的工件的熔点大于350℃时,ž®×ƒ¸åœ¨é€‚合用超声焊接了.因äؓ­‘…声是瞬间ä‹Éå·¥äšg分子溶化,判断依据是在3¿U’之å†?不能良好熔接,ž®±åº”该选择其它焊接工艺.如热板焊接等.一般来讲ABS料是å®ÒŽ˜“焊接,ž®¼é¾™æ˜¯éš¾ç†”接çš?具体焊接材料选择请参考附è¡?<br />     塑胶材料互熔æ€?br />     3)­‘…声波焊接工件的工艺误区<br />     ­‘…声能量是瞬间爆发地,熔接处应成点或线æ?以及传递的距离都要½W¦åˆ­‘…声焊接方式.有äh认äؓ只要是塑料材æ–?无论怎样接合面都可以良好地焊æŽ?˜q™ä¹Ÿæ˜¯ä¸€ä¸ªé”™è¯¯è®¤è¯?当瞬间能量äñ”生时,接缝面积­‘Šå¤§,能量分散­‘Šä¸¥é‡?焊接效果­‘Šå·®,甚至无法焊接.另外­‘…声波是¾Uµå‘ä¼ æ‡Lçš?能量损失同距¼›ÀLˆæ­£æ¯”,˜qœè·¼›È„ŠæŽ¥åº”控制åœ?厘米以内.焊接¾U¿åº”控制åœ?0----80丝之间äؓå®?å·¥äšg的臂厚不能低äº?毫米,否则不能良好熔接,特别是要求气密的产品.<br />     4)­‘…声波输出功率误åŒ?br />     ­‘…声波输出功率的大小,同压电陶ç“ïL‰‡çš„直径和厚度、材质、设计工艺决å®?一但换能器定型,功率也就定型äº?衡量输出能量的大ž®æ˜¯ä¸€ä¸ªå¤æ‚çš„˜q‡æˆ,不是换能器越å¤?电èµ\使用功率½Ž¡è¶Šå¤?输出能量ž®Þp¶Šå¤?它须要相当复杂的振幅‹¹‹é‡ä»?才能准确‹¹‹é‡å…¶æŒ¯òq?ç”׃ºŽå¤§å¤šæ•îC‹É用者对­‘…声知识太了è§?又加上某些销售äh员的误导,¾l™æ¶ˆè´¹è€…一个错误认è¯?消耗电能多ž®‘åƈ不能反应输出­‘…生功率的大ž®?如äñ”生纵向能量低,而消耗电‹¹å¤§,只能说明讑֤‡çš„效率低ä¸?无功功率大而宜.<br />     5)­‘…声波焊接机¿Ué€‰æ‹©è¯¯åŒº<br /> <p>     使用多大输出功率,振荡频率、振òq…范å›ß_¼Œè¦æ ¹æ®å·¥ä»¶çš„材料、焊¾U‰K¢¿U¯ã€å·¥ä»¶å†…是否有电子元器äšg、是否要气密½{‰å› ç´ æ¥è€ƒè™‘。误认äؓ功率­‘Šå¤§­‘Šå¥½ã€‚这也是一个误解。如果对­‘…声不是太了解。请教正规的­‘…声波生产厂工程技术äh员。有条äšg的话到厂家现场勾通,不要盲目听从一些非正规­‘…声销售äh员的误导ã€?</p> <p>     目前生äñ”相关讑֤‡çš„公司特别æ؜杂,其中大部为家庭式作坊åQŒå¯¹ç”µèµ\˜q›è¡Œç”Ÿæ¬¼‹¬å¥—仿制åQŒå¯¹å·¥ä½œåŽŸç†ä¼¼æ‡‚非懂。仿制出的设备有以下致命¾~ºé™·ã€‚其一是外买元材料品质无法保证åQŒå…¶äºŒç”Ÿäº§å·¥è‰ºçš„核心技术没有掌握。设备在中功率和大功率工作时¾lå¸¸è¡¨çŽ°å‡ÞZ¸½E›_®šåQŒäñ”品合格率低。有时会讑֤‡æŸåã€‚如驱动换能器的功率变压器,所使用的磁性材料参数无法测量,¼‚é¥±å’Œç£é€šå¯†åº¦ï¼ˆBsåQ‰ç£æ„Ÿåº”强度åQˆBmåQ‰ã€æœ‰æ•ˆç£å¯¼çŽ‡åQˆUeåQ‰ã€å‰©ä½™ç£é€šå¯†åº¦ï¼ˆBråQ‰ã€çŸ«™å½åŠ›åQˆA/MåQ‰ã€æŸè€—因敎ͼˆtanåK¡ï¼‰ã€æ¸©åº¦ç³»æ•ŽÍ¼ˆau/Kâ€?åQ‰ï¼Œ¾l•åˆ¶å·¥è‰ºç›¸å½“讲究åQŒåŒ…扩抽真空‹¹¸çŽ¯æ°§æ ‘è´¨ã€?</p> <p>     ˜q™äº›‹¹‹è¯•è®‘Ö¤‡å’Œç”Ÿäº§çŽ¯å¢ƒå®¶åº­å¼å·¥åŽ‚是无法做到的。所以在勾买­‘…声æ—Óž¼Œå…ˆäº†è§£ä¸€ä¸‹å…¬å¸æƒ…况,不要盲目听从销售员åÒŽ§åQŒä¹Ÿä¸è¦åªçœ‹ä»äh ¼ã€‚只有这æ äh‰èƒ½æ—¥åŽå‡ž®‘不必要éºÈƒ¦ã€?</p> <p style="text-align:center;"> <img style="max-width:100%;" src="/uploads/image/20200709/20200709085625_7102.jpg" alt="­‘…声波发生器" width="600" height="429" title="­‘…声波发生器" align="" /> </p> </div> <div class="gduo"> <div>上一æ?<a href="55.html">­‘…声波焊接模å…ïLš„刉™€ è¿‡½E?/a></div> <div>下一æ?<a href="53.html">­‘…声波清‹z—线的工作过½E?/a></div> 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