sdp4-24-100rt
些工业发达国家相继推出直线电机、高速主轴电机,而且付诸实用。
对于直线电机而言,其控制技术与传统的交流伺服电机相差不多,
但由于直线电机本身没有转子等转动体,因而本身惯量小,所以具有高动态响应性,
而检测元件直接安 装于机械一侧,从而检测工作台的位移,
也避免了旋转电机在方向改变时所存在的换向间隙,
满足了高速、高精密加工对伺服驱动系统的要求。
从imts’2000展览会来看,一些工业发达国家在高速加工技术方面处于领先水平,
ibag公司已向业界提供0.125~185kw,
最高转速为14,000r/min的系列化高速内装式主轴系统,
径向、轴向重复精度小于1µm,电机轴承有混合陶瓷轴承、液静压轴承、磁浮轴承三种,
采用水管冷却,且内置位置传感器供加工中心atc之用。
主轴驱动采用矢量变频技术,
已在模具加工、高精密电极加工、铝质零件加工、高精度磨削加工等领域广泛应用
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