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target="_blank">案例应用</a> >> <span>正文</span></div> <!-- main_content begin--> <div class="maincontent"> <!-- left begin --> <div class="news_left"> <div class="brand_news_details"> <h1>¾~˜äºŽä¾›çƒ­â€”—与你分享一起典型的振动事故案例</h1><table style="border-bottom:1px dotted #e4e4e4;" align="center"><tr><td><div class="news_mes">文章来源åQšæ—ºæç”µæœÞZ¸Žç”‰|Ž§ 作者:ã€?ã€?点击åQ?span id="HitNum"></span>‹Æ?旉™—´åQ?span id="dTime">2018/11/5 9:45:01</span><input type="hidden" id="ID" value="100867028"/><input type="hidden" id="TypeID" value="2"/></div> </td> <td><div id="ckepop"></div></td></tr></table><div id="Content" style="display:none;">[¾~˜äºŽä¾›çƒ­â€”—与你分享一起典型的振动事故案例]:Ms.参的好友老W在某修理厂工作,因äؓ专业相同的缘故,两äh针对故障甉|œºçš„话题自然多一些,Ms.参也因此而有了见识电机故障案例的ç‰ÒŽƒå’Œæœºä¼šã€‚他们单位承接了1台H355 2P 280kW的铸铝è{子电机,å®?..</div><div class="brand_news_con"><p style="text-indent:2em;"> Ms.参的好友老W在某修理厂工作,因äؓ专业相同的缘故,两äh针对故障甉|œºçš„话题自然多一些,Ms.参也因此而有了见识电机故障案例的ç‰ÒŽƒå’Œæœºä¼šã€‚他们单位承接了1台H355 2P 280kW的铸铝è{子电机,客户¿U°è°ƒè¯•è¿‡½E‹å‡ºçŽ°æ˜Žæ˜„¡š„振动åQŒæ¢äº†èáu承不起作用,但迫于供热的旉™—´è¦æ±‚åQŒåˆ¶é€ åŽ‚家只能求助于ž®Þp¿‘的修理单位,也就是老W所在的单位ã€?</p> <p style="text-indent:2em;"> ¾l“合客户已采取过的措施,拆解‹‚€ä¿®æ—¶é€šè¿‡æ‰‹åŠ¨æ–¹å¼å¯å°±ž®†èáu抽了出来。检‹¹‹è¯¥ç”‰|œºè½¬å­é“èŠ¯è½´å­”与èáu的铁芯位ž®ºå¯¸åQŒä¸¤è€…配合是明显的间隙配合,配合最ž®é—´éš™äؓ单边0.08mm。修理单位将该问题向刉™€ åŽ‚做了反馈åQŒä»–们就问题的发生过½E‹è¿›è¡Œäº†å…¨é¢æ ¸æŸ¥ã€‚缘于挚友老WåQŒMs.参对问题发生的过½E‹ç•¥æœ‰äº†è§£ï¼ŒåŠ ä¹‹æœ¬äh寚w—®é¢˜çš„分析åQŒä¸Žå„位对该案例˜q›è¡Œåˆ†äínã€?</p> <p style="text-indent:2em;"> 1、故障表象描˜q?</p> <p style="text-indent:2em;"> ●èáu的圆周方向有周向擦痕åQŒä½†æœªå¯¹åŽŸåŠ å·¥é¢é€ æˆå¤ªå¤§å½±å“åQŒæŒ‰ç…§åˆ¶é€ åŽ‚提供的数据,轴加工尺寸没有太大问题,轴孔直径明显­‘…å·®ã€?</p> <p style="text-indent:2em;"> ●è{子èáu孔尺寸偏大的同时åQŒå¯ä»¥å‘çŽîC¸€ç«¯èáu孔损伤严重,而且铁芯端部有明昄¡š„锅底˜q¹è±¡åQ?</p> <p style="text-indent:2em;"> ●èáu孔èáu向有明显的实擦拉痕,应该是èáu退å‡ø™¿‡½E‹æ‰€è‡ß_¼› </p> <p style="text-indent:2em;"> ●该转子表面全部发黑åQŒæ˜¯æ˜Žæ˜¾çš„受热后的状态;该è{子槽锯é‹É严重ã€?</p> <p style="text-indent:2em;"> 2、基于故障的分析和判æ–?</p> <p style="text-indent:2em;"> 从核查情况发玎ͼŒè¯¥è{子èáu曄¡»è¢«åŠ çƒ­å’Œé€€å‡ø™¿‡åQŒè¿™ä¸ªè¿‡½E‹å¯¼è‡´èáu孔直径受损和变大åQŒæ ‡å‡†èáu再次套入后,甉|œº˜qè¡Œ˜q‡ç¨‹å‡ºçŽ°è½¬å­¼›Õd¿ƒåQŒä¸Žè½´å‘生周期与非周期性的撞击åQŒæœ€¾lˆçš„¾l“果是电机振动。该问题可能发生的电机的试验阶段åQŒä¹Ÿå¯èƒ½å‘生在电机的使用阶段åQŒä½†å¯¹ç”µæœºæœ¬íw«éƒ½æ˜¯è‡´å‘½æ€§çš„打击ã€?</p> <p style="text-indent:2em;"> 3、来自制造厂家的分析¾l“æžœ </p> <p style="text-indent:2em;"> 该电æœø™{子在动åã^衡过½E‹æ— æ³•è¾¾åˆ°åã^衡控制要求时åQŒæ£€æŸ¥è{子有马蹄问题åQŒé€šè¿‡æ²šw—·å†·åŽ‹æ–¹å¼ž®†èáu退出,而后½I¿å…¥æ ¡æ­£å·¥è£…åQˆç±»ä¼¼å‡è½ß_¼‰å¯šw“¸é“è{子铁芯进行整形,整åŞ完成后èáu与铁芯粘合比较紧无法退出,又通过冷压方式å¼ø™¡Œž®†èáu退出,最¾lˆå¯¼è‡´é“èŠ¯å­”受到较严重的损伤、变形,而且轴孔直径也严重正­‘…å·®åQ›å¯¼è‡´è{子发黑的原因是初期要整åŞ时将轴与转子加热所致ã€?</p> <p style="text-indent:2em;"> ¾cÖM¼¼çš„问题,不同的电机厂安™ƒ½å¯èƒ½ä¼šé‡åˆŽÍ¼Œä½†ä¿®ç†å·¥è‰ºæœ‰æ—¶æ¯”正常生äñ”加工工艺˜q˜éš¾ä»¥æŽ§åˆÓž¼Œå› äؓ每一èµïLš„案例都会有其个性化的特点,但如何解军_¥½è¯¥é—®é¢˜æ˜¯æŠ€æœ¯ä¸Ž½Ž¡ç†çš„有效融合ã€?</p></div><div class="meneame"><span class="disabled">< </span><span class="current">1</span> <span class="disabled">> </span></div> <div style="text-align: center;padding-top: 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