MITSUBISHI MR-SA102L 特价销售

易卖工控网（www.ymgk.com）提供”MITSUBISHI MR-SA102L 特价销售”，产品详情：品牌/厂家：其他品牌、型号：MR-SA102L、成色：全新、货期：期货 7天内发货、保修：365天，更多产品详情就上易卖工控网。

为目前在数控机床进给传动中广泛使用的膜片弹性联轴器的结构图。该联轴器的工作原理是：半联轴器6、16分别装在电机轴1和丝杠11上，当拧紧螺钉2时，法兰盘3和半联轴器6相互靠近，挤压涨紧环4、5，使外锥环5内径缩小，内锥环4外径放大，从而使半联轴器6与电机轴1实现无键联结。同理，也使右半部形成无键联结。两个半联轴器6、16通过膜片组8（膜片每片厚0.25mm，一般10～12片为一组，材料为不锈钢）和两组（四根）对角螺栓孔与螺栓10、19以及球面垫圈9、18相连（球面垫圈9、18和7、17与两个半联轴器没有任何联结关系），这样通过膜片组对角联结而传递扭矩。电机轴与丝杠轴的位置偏差（同轴度）由膜片的弹性变形抵消。这就是膜片弹性联轴器的工作原理。

2.5.4安全联轴器

如图2-63所示为TND360数控车床的纵向滑板的传动系统图。它是由纵向直流伺服电动机，经安全联轴器直接驱动滚珠丝杠螺母副，传动纵向滑板，使其沿床身上的纵向导轨运动。直流伺服电动机由尾部的旋转变压器和测速发电机进行位置反馈和速度反馈，纵向进给的最小脉冲当量是0.001mm。这样构成的伺服系统为半闭环伺服系统。

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