Apr 07,2024
Principles of fault diagnosis for CNC machine tools
After the first external internal CNC machine tool is a set of mechanical, hydraulic, electrical as one of the machine tools, so the occurrence of its failure will also be reflected by the three comprehensive. Maintenance personnel should first check one by one from the outside to the inside, and try to avoid unsealing and dismantling at will, otherwise it will expand the fault, make the machine lose accuracy and reduce performance.
Generally speaking, mechanical faults are easier to find, while the diagnosis of numerical control system faults is more difficult. Before troubleshooting, first pay attention to the elimination of mechanical failure, often can achieve twice the result with half the effort.
First static and then dynamic first in the machine tool power-off static state, through understanding, observation, testing, analysis, confirmed as non-destructive fault, can be energized to the machine tool; in the operating conditions, dynamic observation, inspection and testing, fault finding. For destructive faults, the danger must be eliminated before power can be applied.
First simple and then complex When a variety of faults are intertwined and covered up, it is impossible to start at the moment, the easy problem should be solved first, and then the more difficult problem should be solved. Often after the simple problem is solved, the difficult problem may become easy.
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