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The CNC machining center is an automated lathe that operates based on a CNC program. The performance of the system directly affects the efficiency and precision of the machine. So, how can we improve the software system of a CNC machining center? Shenzhen Hongxin Hardware Processing Factory shares some insights:
1. Combine manual and CAM programming. Make full use of the built-in programming modules provided by the CNC machine system, such as rectangular groove milling, U-shaped groove processing, drilling cycles, end face machining, external cylindrical machining, EDM electrode shaking, and wire cutting functions. Proper selection of discharge parameters in these processes can significantly enhance the efficiency and accuracy of numerical control programming.
2. Choose an appropriate CAM programming strategy. When building the product processing model, effective and simple techniques should be applied based on the specific characteristics of the workpiece.
CNC lathe processing typically uses materials like easy-cutting steel and copper, or free-cutting steel with higher sulfur (S) and phosphorus (P) content. These elements form manganese sulfide in the steel, which acts as a lubricant, making the material easier to cut and improving the overall production schedule.
Fault analysis is the first step in computer and machine tool maintenance. Through fault analysis, it not only helps identify the root cause of the problem quickly but also prevents further damage and future failures. Common methods used for fault analysis in computers and machine tools include:
I. Conventional Analysis Method
This method involves routine inspections of the machine's electrical and hydraulic components. It usually includes checking power specifications (voltage, frequency, phase sequence, capacity), verifying correct connections of the CNC servo drive, spindle drive, motor, and input/output signals, and ensuring that the printed circuit boards in the CNC servo drive are securely installed.
II. Motion Analysis Method
This technique involves observing and monitoring the actual operation of the machine tool to identify the faulty part and trace the source of the problem. For example, in CNC machine tools used by Dongguan Mould Factory, hydraulic and pneumatic components like automatic tool changers, pallet exchange devices, fixtures, and transmission systems are analyzed through motion diagnosis.
III. Operation and Programming Analysis Method
This approach involves performing specific operations or creating test programs to determine the cause of the failure. For instance, manually stepping through the automatic tool change process, simulating workbench swaps, or executing single-function commands can help detect issues and verify the correctness of the program.
IV. System Self-Diagnosis Method
CNC systems often have built-in self-diagnosis programs or dedicated diagnostic software that can perform internal hardware and software checks. This includes boot-up self-diagnosis, online monitoring, and offline testing.
Source:
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
Analysis of Basic Methods for Computer and Machine Tool Failure - Dongguan Changping Jingyu Large Mold Computer Processing Factory