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電機噪聲及其原因的研究

在某型號新產(chǎn)品試驗,的現場(chǎng)，新雇傭的J看到測試人員正在使用螺絲刀等工具來(lái)區分電機不同部件的聲音，于是問(wèn)沈女士解釋說(shuō)，門(mén)口相當神秘，汽車(chē)的許多...

在電機未來(lái)的發(fā)展中變頻電機能否完全取代繞線(xiàn)轉子電機？

從運行設備的輸入分析，在滿(mǎn)足設備使用要求的前提下，首選工頻高效電機或變極調速電機，目前的軟啟動(dòng)器也能解決電機的啟動(dòng)問(wèn)題；對于風(fēng)機、水泵等負載...

冷卻塔專(zhuān)用電機發(fā)熱怎么辦？

1.冷卻塔專(zhuān)用電機定子與轉子的氣隙太小，容易導致定子與轉子的碰撞冷卻塔專(zhuān)用電機中，氣隙一般為0.2mm~1.5mm，氣隙大時(shí)，要求勵磁電流大...

為什么不同系列電機的噪聲評估標準不同？

電機產(chǎn)品作為旋轉機械的一種，由于電氣的特殊性，其通風(fēng)結構有很大的不同。特別是涉及到內風(fēng)扇、外風(fēng)扇等通風(fēng)散熱裝置，使得電機噪聲譜的構成和趨勢不...

步進(jìn)電機的特點(diǎn)

1.步進(jìn)電機精度為步進(jìn)角度的3-5%，不累計。因此，步進(jìn)電機可以作為控制的專(zhuān)用電機，廣泛應用于各種開(kāi)環(huán)控制中。2.步進(jìn)電機的高允許溫度與電機...

步進(jìn)電機的驅動(dòng)器如何選擇？

1.首先，確定步進(jìn)電機驅動(dòng)負載所需的扭矩。簡(jiǎn)單的方法是在負載軸上加一個(gè)杠桿，用彈簧秤拉杠桿。拉力乘以臂的長(cháng)度就是負載力矩?；蛘呖梢愿鶕摵商?..

電機升降的安全問(wèn)題不可低估

作為配套設備，無(wú)論是在電機的生產(chǎn)加工中，還是在客戶(hù)的實(shí)際使用中，電機都會(huì )遇到起重問(wèn)題。從市場(chǎng)反饋的信息可以發(fā)現，很多都是電機升降問(wèn)題，不僅涉...

如何選擇合適的步進(jìn)電機

如何選擇合適的步進(jìn)電機？接下來(lái)，邊肖重點(diǎn)向大家解釋。選擇步進(jìn)電機的規格重要的是測試和判斷速度和扭矩。選擇時(shí)好調整參數性能，以免后期出現設備不...

電機試驗-三相電機檢驗試驗中堵轉電壓的測定

三相異步電動(dòng)機檢驗試驗中重要的項目之一是短路試驗，俗稱(chēng)堵轉試驗。堵轉試驗時(shí)，應保證轉子的靜態(tài)，堵轉電流較大，因此必須嚴格控制堵轉時(shí)間和堵轉電...

步進(jìn)電機發(fā)熱及其影響

1、運動(dòng)發(fā)熱的主要原因：我們平時(shí)看到的各種電機，里面都有鐵芯和繞組線(xiàn)圈。繞組有電阻，上電會(huì )產(chǎn)生損耗，損耗與電阻和電流的平方成正比。這就是我們...

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