CNC machine tools are important machinery and equipment in the manufacturing industry. Its orderly and stable operation is directly related to the benign operation of the factory. As a high -precision mechanical equipment, CNC machine tools often occur during CNC machining and use. Mastering certain failure identification and solutions are the skills that every machine tool worker needs.
CNC machining machine tools are classified as a certainty and random failure.
Determining failure refers to the damage to the hardware in the control system host or as long as it meets certain conditions, the CNC machining machine tool will inevitably occur. Such faults are generally irreversible. If they are not handled, CNC machine tools will not be able to restore normal operation.
Random failure is a failure that occasionally occurs during the operation of the index control machining machine. This type of failure has certain concealment and it is difficult to find the cause. The working environment is related to recovery. However, after restarting for a period of time, the same failure occurs.
Avoiding a sexual failure is to carefully maintain, and the avoidance of random faults should strengthen the maintenance and monitoring of the CNC machining system to ensure the sealing of the electrical box, cooperate with reliable installation, connection, correct grounding and shielding to prevent randomness from randomness Failure occurs.
There are several common failures in CNC machine tools:
1. Subdivy component failure
In the main axis structure of CNC machining machine tools, the tool automatic clamping structure and automatic speed regulating device are more likely to fail. If the tool cannot be loosened after clamping, consider adjusting the pressure and switching device of the loose knife, or adjusting the dish spring spring The nuts on the upper reduce the spring pressure.
Second, the input of the transmission chain failure
CNC machining system testing Machinery components have not run to the prescribed position, decreased positioning accuracy, crawling, and increasing reverse gaps, and the transmission chain is considered to fail. Protection.
Third, automatic knife change device failure
When the rotation speed of the robotic arm of the CNC machining center, unevenness in the rotation of the robotic arm, the unwanted arm of the arm, and the inadequate rotation of the robotic hand, consider the failure of the automatic knife device. You can replace the inner wall of the hydraulic cylinder, replace the support ring O, and reinstall the adjustment process to deal with the fault.
Fourth, electrical control system failure
Electrical control system failure is divided into two categories: "weak electricity" failure and "strong electricity" failure. The weak power failure has the division of hardware failure and software failure. Hardware failure refers to the faults of each local integrated circuit chip, separate electronic components, connecting plug -ins, and external connection components. Software failure is an error in the index control machining program. Wait.
Strong power failure refers to the main loop or high -voltage, high -voltage, high -power circuit in the control system, the switch, the fuse, the motor, the electromagnet, the contactor and other electrical components and the control circuits composed of the control circuit. The probability of a strong power failure is higher than the weak power failure, and attention must be attracted.
Asset Precision technology company is a focusing on CNC machining, metal stamping, metal(chemical) etching and surface treatment of OEM/ODM metal parts Processing.
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