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3HAC9799-3现货模块3HAC9799-3
- 品牌:ABB
- 规格:3HAC9799-3
- 材质:3HAC9799-3
- 产地:瑞士
- 更新时间:2014-09-10
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吴金孝 先生
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3HAC9799-3
3HAC9799-3
3HAC9799-3
设备为手动操作,根据使用部门的建议,在改造方案上维持改造前设备人一机界面的原始性,这样可以有效减少设备使用人员的误操作,不至于使设备的事故率在技术改造后有所增加。
系统的工作台变速单元依靠液压电磁阀来实现,并由机械传动部件不断地改变传输比,达到改变工作台转速目的。其变速操作相当繁琐,先让主机停车,选好速度后,微动使齿轮重新啃合再挂挡,后重新启动。根据现场负载计算与理论分析,保留主拖动方式,用一台FRN15G95-4JE电压型通用变频器,对工作台电机进行速度换向控制。FRN15G954JE电压型通用变频器具有转矩矢量控制、转差补偿、电AVR自整定、负载转矩自适应等一系列先进功能,在无速度传感器的开环运行条件下,采用磁通矢量控制和电机参数自动测试等功能后,其调速性能达到甚至高于传统晶闸管供电的双闭环直流调速系统。原系统还有左右两个刀架,可纵向横向移动,通过电磁离合器与左右驱动电机连接。左右驱动电机有Y/△变换,因此有两级工作进给速度:I级0.29- 45.6m/min,II级0.58-91.2m/min。改造时,仍维持原方式。
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