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数控机床由于技术越来越先进、复杂,对维修人员的要求也越来越高。我公司有几十台数控设备,和多种类型的数控系统,几年来在数控机床的维修方面取得一定的经验。下面结合一些典型的实例,对数控机床的故障进行系统分析,供参考。 一、NC系统故障 1.硬件故障 由于NC系统硬件损坏,有时会使机床停机。对于这类故障的诊断,首先必须了解该数控系统的工作原理及各线路板的功能,然后根据故障现象进行分析,在有条件的情况下可用交换法准确定位故障点。 [例1]一台采用德国西门子SINUMERIK SYSIEM 3的数
CNC machine tools as more advanced technology, complex, more and more demanding on the maintenance staff. My company has dozens of CNC equipment, and many types of CNC system, CNC machine tools in the past few years to obtain some experience in the maintenance. The following combination of some typical examples of CNC machine tool failures for system analysis for reference. First, the NC system failure 1. Hardware failure due to NC system hardware damage, sometimes the machine downtime. For the diagnosis of such failures, we must first understand the working principle of the numerical control system and the function of each circuit board, and then analyze the phenomenon of failure, under the conditions of the exchange method can be used to accurately locate the point of failure. [Example 1] A number using Siemens SINUMERIK SYSIEM 3 in Germany