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伺服电机运转时有异响和发热是什么原因
异响是电机的负载过重,电机的转矩小于负载所需转矩,而电机的堵转转矩大于负载所需转矩。发热就是电机的电流过大(一般发热很正常),若是很烫,或者堵转时间过长很容易烧毁电机(电机退磁)。直白说就是小马拉大车很费力,为了拉动小马就更加的费劲拉车,所以会发热(增加电流),拉车很费劲(异响)。
异响是因为伺服电机轴承坏了,发热是电流大,实质是伺服电机为了克服电机轴震动而产生的异常大电流,估计电机坏了,需尽快处理,不然故障会扩大。
西门子伺服电机会嗡嗡响是什么问题?
伺服电机出现这种问题有多种原因,一是伺服电机编码器零位不准,也就是编码器零位漂移,二是驱动器刚性不足或参数有问题,三是伺服电机动力线接的可能有问题呀,伺服电机的动力线是不能搞错的,可调换几次看看。四是编码器安装问题或编码器自身有问题,需要认真检查,有同样的伺服电机和驱动器好相互调换一下试试看。伺服电机有问题,好找专业人士检修。系统与驱动器故障,电机本身故障;驱动器与实际进给系统的匹配未达到佳值而引起的,通常只要通过驱动器的速度环增益与积分时间的调节即可进行,具体方法为:1)根据驱动模块及电动机规格,对驱动器的调节器板的S2进行正确的电流调节器设定。2)将速度调节器的积分时间Tn调节电位器(在驱动器正面),逆时针调至极限(Tn≈39ms)。3)将速度调节器的比例Kp调节电位器(在驱动器正面),调整至中间位置(Kp≈7~10)。4)在以上调整后,即可以伺服电动机的尖叫声,但此时动态特性较差,还须进行下一步调整。5)顺时针慢慢旋转积分时间Tn调节电位器,减小积分时间,直到电动机出现振荡声。6)逆时针稍稍旋转积分时间Tn调节电位器,使电动机振荡声恰好。7)保留以上位置,并作好记录。本机床经以上调整后,尖叫声即,机床恢复正常工作。
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Siemens 3~ Permanent Magnet Motor AC 1FT5046-0AF71-1-Z
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SIEMENS SICOMP SMP16-CPU040 6AR1300-0JD20-0AA0 CPU 040
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Siemens Video Card 03811-A 6FX1115-0AA01 03810
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Siemens Board D820 X1732 8459646
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