【摘要】 本文介绍了用AT5 9RH、PLC、欧陆 5 90等组成通讯联网全数字直流调速系统对B2 0 2 5龙门刨床实施技术改造 ,不但提高了电气控制系统的可靠性、稳定性 ,而且提高了调速性能和精度 ,为老旧机床的电气设备更新换代提供了一条新路。更多还原

【Abstract】 A communication network digital DC speed-regulation system comprised by AT59RH,PLC,OULU590 etc have been introduced in this paper,to rebuilld heavy-duty machines such as B2025 gantrg planer,both stability of the electric control system and property and accuracy of the speed-regulation were increased,a new method of renewing the old machine is provided.更多还原