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target="_blank">×ðÁú¿­Ê±ÈËÉú¾ÍÊDz«:<strong>热风焊枪</strong></a>电æºåŽï¼Œé€šè¿‡è°ƒæ•´æ—‹é’®åˆ†åˆ«å¯¹é£Žé‡å’Œæ¸©åº¦è¿›è¡Œè°ƒç†ã€‚风é‡å’Œæ¸©åº¦è°ƒç†ç»“æŸåŽï¼Œç­‰å€™å‡ ç§’,待热风焊枪预热完æˆåŽï¼Œå°†ç„Šæžªå£ç¬”直悬空放置于元器件引脚上,并æ¥å›žç§»åŠ¨è¿›è¡Œå‡åŒ€åŠ çƒ­ï¼ŒçŸ¥é“引脚焊锡熔化。留æ„,风é‡å’Œæ¸©åº¦è°ƒç†æ—‹é’®å„æœ?个档ä½ï¼Œä¸€èˆ¬å°†æ¸©åº¦æ—‹é’®è°ƒè‡³5~6档,风é‡è°ƒç†æ—‹é’®è°ƒè‡³1~2挡或4~5æ¡£ã€?/p><p>  分立元器件的热熔ç„?/p><p>  关键:焊接之å‰éœ€æ±‚å¯¹æ’æŽ¥å¼ç”µå­å…ƒå™¨ä»¶çš„å¼•è„šéƒ¨åˆ†è¿›è¡Œæ ¡ç›´ã€æ¸…æ´ã€å¼¯æŠ˜å¤„ç†ã€?/p><p>  一手用镊å­å¤¹ä½å…ƒå™¨ä»¶ï¼Œå¦ä¸€æ‰‹è¿ç”¨é’¢ä¸é’³å°†å…ƒå™¨ä»¶çš„引脚沿原角度拉直,ä¸è¦å‘ˆçް凹减ä¸å¹³çš„地方ã€?/p><p>  用蘸有酒精的软布擦拭引脚。è¿ç”¨ç”µå·¥åˆ€åˆ®é™¤å¼•脚上的氧化层。è¿ç”¨å°–嘴钳对引脚需求弯折部分进行调整。引脚处ç†å®ŒæˆåŽï¼Œè¿ç”¨é•Šå­å¤¹ä½å…ƒå™¨ä»¶å¤–壳,将引脚对应æ’到电路æ¿çš„æ’å­”ä¸­ã€?/p><p>ã€€ã€€å³æ‰‹æ?a href="/product645056.html" target="_blank">×ðÁú¿­Ê±ÈËÉú¾ÍÊDz«:<strong>电烙é“?/strong></a>,左手拿焊锡ä¸ï¼Œé¢éƒ¨è·ç”µè·¯æ¿å¤§çº¦30cm。将烙é“头蘸å–å°‘é‡åŠ©ç„Šå‰‚ï¼Œè§¦æ‘¸ç„ŠæŽ¥ç‚¹ï¼Œä½¿ç„ŠæŽ¥éƒ¨ä½å‡åŒ€å—热。然åŽå°†ç„Šé”¡ä¸ç½®äºŽç„Šç‚¹éƒ¨ä½ï¼Œç”µçƒ™é“将焊锡ä¸ç†”化并潮湿焊点ã€?/p><p>  当熔化了必定é‡çš„焊锡åŽï¼Œå°†ç„Šé”¡ä¸ç§»å¼€å³å¯ã€‚å½“ç„Šé”¡å½»åº•æ½®æ¹¿ç„Šç‚¹ï¼ŒæŽ©ç›–è§„æ¨¡åˆ°è¾¾è¦æ±‚åŽï¼Œå³å¯ç§»å¼€ç”µçƒ™é“。移开电烙é“的方å‘应与电路æ¿å¤§è‡´æˆ45°夹角,移开速度ä¸è¦å¤ªæ…¢ã€?/p><p>  焊接知识细节ï¼?/p><p>ã€€ã€€ä¸‰ç§æ¡ç¬”方法ã€?/p><p>  引脚折弯处ç†ä¸»è¦æœ‰ç«‹å¼è·¨æŽ¥å’Œå§å¼è·¨æŽ¥ä¸¤ç§å½¢å¼ï¼Œå¯ä¾æ®ä¸¤ç„Šç›˜é—´è·¨æŽ¥é—´è·å¯¹å¼•脚进行相应处ç†ã€?/p><p>  贴æ¿è£…置便是使元器件与电路æ¿è·ç¦»1mmå·¦å³ï¼Œå…¶å…·æœ‰ç¨³å®šæ€§å¥½ï¼Œæ’装简略等特点,但ä¸åˆ©äºŽæ•£çƒ­ï¼Œä¸é€‚åˆé«˜å‘热元器件的装置ã€?/p><p>  如元器件具有金属外壳,则应加装管套或在下方加垫ç»ç¼˜è¡¬åž«ï¼Œæ”¾ç½®äºŽå°åˆ¶çº¿è§¦æ‘¸æž„æˆçŸ­è·¯ã€?/p><p>  易å‘热的元器件和ä¸è€çƒ­å…ƒå™¨ä»¶ä¸€èˆ¬éƒ½é€‰ç”¨æ‚¬ç©ºè£…置,行将元器件课题在远离电路æ¿3~8mmå·¦å³è¿›è¡Œè£…ç½®ã€?/p><p>  如上图,晶体管引脚进行套管处ç†ï¼Œå…¶ä½œç”¨æ˜¯é¿å…在焊接过程中大é‡çš„热é‡ä¼ é€’到元器件上ã€?/p><p>  为了缩å°ç”µè·¯æ¿çš„笔直空间或装置高度有特别é™åˆ¶æ—¶ï¼Œå¯ä»¥é€‰ç”¨å¼¯æŠ˜è£…置,行将元器件引脚笔直æ’å…¥ç”µè·¯æ¿æ’å­”åŽï¼Œå£³ä½“冿œæ°´å¹³æ–¹å‘å¼¯æ›²ï¼Œè¯¥ç§æ–¹æ³•ä¸é€‚åˆé‡é‡è¾ƒå¤§çš„元器件è¿ç”¨ã€?/p><p>  焊接æ°å‡ºçš„焊点,表é¢åº”光亮ã€å‡åŒ€ä¸”干净清æ´ï¼Œä¸è¯¥æœ‰æ¯›åˆºã€ç©ºéš™ç­‰ç‘•疵,焊料与被焊接金属界é¢ä¸Šèƒ½æž„æˆç‰¢å›ºçš„åˆé‡‘å±‚ï¼Œèƒ½ç¡®ä¿æ°å‡ºçš„导电性能,焊点也具备必定的机械强度ã€?/p><p>  贴片元器件的å¹ç„Š</p><p>  贴片元器件与分立元器件的功能相åŒï¼Œä½†ä½“积较å°ã€é›†æˆåº¦é«˜ã€‚ç”±äºŽè´´ç‰‡å…ƒå™¨ä»¶éƒ½é€‰ç”¨è‡ªåŠ¨åŒ–è£…ç½®ï¼Œå› æ­¤å…¶å¼•è„šéƒ½å·²æ ‡å‡†åŒ–ï¼Œç„ŠæŽ¥ä¹‹å‰æ— éœ€å¯¹å¼•脚进行加工。一般贴片元器件多选用热风焊枪å¹ç„Šçš„æ–¹æ³•ã€?/p><p>ã€€ã€€ä¾æ®è´´ç‰‡å…ƒå™¨ä»¶å¼•脚的巨细和形状,挑选åˆé€‚的焊枪嘴进行替æ¢ã€?/p><p>  在焊接元器件的方ä½ä¸Šæ¶‚上一层助焊剂,然åŽå°†å…ƒå™¨ä»¶æ”¾ç½®åœ¨è§„则方ä½ä¸Šï¼Œå¯ç”¨é•Šå­å¾®è°ƒå…ƒå™¨ä»¶çš„æ–¹ä½ã€‚若焊点的焊锡过少,å¯å…ˆç†”åŒ–ä¸€äº›ç„Šé”¡å†æ¶‚抹助焊剂ã€?/p><p>  翻开热风焊枪的电æºå¼€å…³ï¼Œå¯¹ç„Šæžªçš„æ¸©åº¦å’Œé£Žé‡è¿›è¡Œè°ƒæ•´ã€‚关于贴片元器件,挑选较高的温度和较å°çš„风é‡å³å¯æ»¡è¶³ç„ŠæŽ¥è¦æ±‚ã€‚å°†æ¸©åº¦è°ƒç†æ—‹é’®è°ƒè‡³5~6档,风é‡è°ƒç†æ—‹é’®è°ƒè‡³1~2æ¡£ã€?/p><p>  当热风焊枪预热完æˆåŽï¼Œå°†ç„Šæžªç¬”直悬空于引脚上方,对引脚进行加热,加热过程中,焊枪嘴在å„引脚间作往å¤ç§»åŠ¨ï¼Œå‡åŒ€åŠ çƒ­å„引脚。当引脚焊料溶化åŽï¼Œå…ˆç§»å¼€çƒ­é£Žç„Šæžªï¼Œå¾…焊料å‡å›ºåŽï¼Œå†ç§»å¼€é•Šå­ã€?/p><p>  å¹ç„Šç»†èŠ‚ï¼?/p><p>  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