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直线电动机较之旋转电动机有哪些优缺点。
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直线电动机较之旋转电动机有哪些优缺点。
时间:2022-03-15 19:12
关键词:
机电传动控制
机械工程
大学试题
工学
答案解析
<p> 直线电动机的优点:1、直线电动机无需中间传动机构,因而使整个机构得到简化,提高了精度,减少了振动和噪声;2、反应快速;3、散热良好,额定值高,电流密度可取大值,对启动的限制小;4、装配灵活,往往可将电动机的定子和动子分别于其他机体合成一体。<br> 缺点:是存在着效率和功率因数低,电源功率大及低速性能差等。</p>
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