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機電之音
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樓主  發(fā)表于: 2018-02-05 16:14
(1)、對伺服電機的機械特性要求:要求伺服電機的主軸速降小,在一定轉速范圍內能保持恒扭矩輸出,且靜態(tài)剛度大;  
(2)、需要實(shí)現高速的控制響應:主要在輪廓加工時(shí),特別是對曲率大的加工對象進(jìn)行高速加工時(shí),對伺服電機的轉速和扭矩控制響應時(shí)間有非常嚴格的要求;

(3)、電機自身的調速范圍廣:用于滿(mǎn)足數控機床適配各種不同的刀具、加工工件的材質(zhì),且能適應于各種不同的加工工藝;  

(4)、具備過(guò)載扭矩輸出和恒轉矩輸出的能力:機床進(jìn)給(伺服電機)的機械負載的性質(zhì)主要是克服工作臺的摩擦力和切削的阻力,因此主要是"恒扭矩"的性質(zhì),同時(shí)要能具備短時(shí)扭矩過(guò)載能力。像目前市面上主流的日系伺服電機,過(guò)載能力可以達到3倍甚至以上。    

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