IC697CPM925-AB
IC697CPM925-AB
IC697CPM925-AB
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CM500系列電機(jī)，采用堅固耐用的旋轉(zhuǎn)變壓器或絕對式磁性編碼器作為角度測量器件
3.2 永磁材料的失效與防護(hù)
永磁電機(jī)的發(fā)展是與永磁材料的發(fā)展密切相關(guān)的，進(jìn)入21世紀(jì)以來，隨著永磁材料性能的不斷提高和完善，高剩磁密度、高矯頑力、高磁能積和線性退磁曲線的優(yōu)異的磁性材料特別適合于制造電機(jī)，特別是釹鐵硼永磁的熱穩(wěn)定性和耐腐蝕性的改善和價格的逐步降低，使得永磁電機(jī)的研究和使用取得了飛速的發(fā)展。
永磁材料對永磁電機(jī)的重要性不言而喻，其成本占整臺電機(jī)材料成本近1/4以上。對此我司還專門對永磁材料制定了企業(yè)標(biāo)準(zhǔn)，其中重點包含耐腐蝕、一致性、高溫退磁試驗、線性退磁曲線試驗等內(nèi)容。現(xiàn)在的永磁材料已能在電機(jī)繞組極限允許溫升下長時間運(yùn)行，退磁率在2%以內(nèi)。常規(guī)的永磁材料要求表面鍍層承受大于24小時的鹽霧試驗，對氧化腐蝕較嚴(yán)重的環(huán)境，用戶需聯(lián)系廠家選用防護(hù)技術(shù)更高的永磁材料。
3.3線圈燒壞
傳統(tǒng)的異步電機(jī)線圈燒壞故障率高達(dá)8%以上，主要與電機(jī)的熱保護(hù)和電工材料的品質(zhì)有關(guān)。傳統(tǒng)的異步電機(jī)幾乎沒有熱保護(hù)元件，追求產(chǎn)量的廠家在電機(jī)絕緣處理環(huán)節(jié)也是大打折扣，維修后的電機(jī)，絕緣處理更加薄弱。本公司CM500系列永磁同步電動機(jī)線圈內(nèi)埋有熱敏元件，當(dāng)線圈溫升達(dá)到F級絕緣極限溫升105K時，驅(qū)動器通過熱敏元件采集的溫度信號對電機(jī)實行過熱保護(hù)，確保電機(jī)安全運(yùn)行，同時電機(jī)定子采用兩次真空浸漆工藝，大大提高了定子合格率。
〖廈門光沃自動化設(shè)備有限公司 竭誠為您服務(wù)〗
〖聯(lián)系人：歐先生 〗
〖手機(jī)：18030229053(微信同號) 〗
〖QQ: 2479261344 〗
〖傳真：0592-5709825
【價格】如此低價,僅此一家
【貨期】大量現(xiàn)貨,下單后即可發(fā)貨
【質(zhì)量】全新原裝,進(jìn)口***
【保障】產(chǎn)品經(jīng)過專業(yè)檢測，質(zhì)保一年,15天包退換
【品牌】Allen-Bradley羅克韋爾、ABB、本特利Bently 3500系統(tǒng)卡件、GE、艾默生西屋等模塊卡件
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，能滿足電機(jī)高精度控制要求，同時擁有比光學(xué)編碼器更高的可靠性。在控制精度稍低，無過載要求的條件下使用，可以采用無傳感器矢量控制方式，節(jié)約角度測量裝置的成本。整個電機(jī)的壽命取決于軸承的使用壽命，電機(jī)外殼采用IP54的防護(hù)等級，特殊環(huán)境下可以提高至IP65，能滿足大部分粉塵和潮濕環(huán)境的使用要求。在保證電機(jī)軸伸安裝同軸度較好，轉(zhuǎn)軸徑向載荷適量的情況下，電機(jī)軸承最少使用壽命在2萬小時以上。其次是散熱風(fēng)機(jī)的壽命，風(fēng)機(jī)采用的是單相220V罩極馬達(dá)，使用壽命比電容運(yùn)轉(zhuǎn)電機(jī)長。在粉塵潮濕環(huán)境下長期運(yùn)行時，需定期清除風(fēng)機(jī)上附著的粘性物質(zhì)，以防止風(fēng)機(jī)因負(fù)荷過重而燒毀。
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