描述
同时,鼓励用户参与,比如用户提出需求,厂家利用智能制造系统生产个性化产品;用户在使用过程中提出产品改进意见,厂家不断更新软件提高产品性能。产品智能化为丰富用户服务打开了无穷的空间,进而形成了巨大的产业生态圈。从用户端来看,智能产品将产生大量的服务,如国外企业在网球拍内置智能模块后,利用球手运动的数据提高球手训练水平成为新的业务;国内机床企业开发出智能机床后,编程服务成为新的业务。从企业端来看,智能平台上可以搭载各种形式的应用,为细分市场用户提供差异化服务。由此,用户选择产品时考虑的因素将从产品提供商扩展到产业生态圈,参与服务企业的数量越多、实力越强,用户获得的服务质量和种类越多,在市场竞争中就越容易获得优势。电动机运行不正常故障主要与接线不正确、参数设定不正确、变频器容量太小、负载太大、变频器或电动机本身故障等原因有关。
首先应区别是新装机还是维护后发生,是由负载原因还是由变频器的原因引起的。对于维护后出现电动机运行不正常的故障,只要再重复维护时的检查路径,检查一下连接线是否有松动或没有连接等,一般即可恢复正常工作。如果是新装机,最简便、快捷的办法是检查是否有参数设定错误,恢复出厂值,在手动方式下启动,这样可以排除是否是变频器本身的故障,还是电动机本身的问题以及参数设定错误,这样区分后就能缩小查找故障的范围,以便于快速排除故障。具体方法如下:在从外观上看不出明显的故障痕迹的前提下,在手动方式下启动变频器控制系统,如果调速正常,则可断定为参数设定错误所至,重新设定参数即可,在参数设定时除了公用的特性参数外,对于其他的功能参数的设定,最好是一项一项地设定并试运行,直至所需的功能参数全部正常为止,这样在每一步操作中都可以及时发现错误、纠正错误;如果调速不正常,可以先将变频器连接到电动机的电缆拆下,分别试验变频器和电动机,以区分故障是发生在变频器还是电动机。如果变频器还连接有外部控制信号电路,最好也断开,这样可用手动方式试验变频器,如果正常,说明变频器没有问题或没有损坏,但还要进一步检查设定值是否有变化,最好重新设定一遍。另外,电动机运行不正常故障还有振动和噪声问题,振动通常是由于电动机的脉动转矩及机械系统的共振引起的,特别是当脉动转矩与机械共振点恰好一致时更为严重。噪声通常分为变频器噪声和电动机噪声,对于电动机噪声,不同的安装场所应采取不同的处理措施,变频器在调试过程中,在保证控制精度的前提下,应尽量减小脉冲转矩成分,并应注意确认机械共振点,利用变频器的频率屏蔽功能,使这些共振点排除在运行范围之外。如果是电动机故障,按下列步骤顺序检查。
产品承诺
保 证 全新原装进口,
保 证 安全准时发货,
保 证售后服务质量,
优势价格,大量现货。
主营DCS系统配件
机器人系统配件
大型伺服系统配件
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