With the continuous advancement of social productivity, people's demands for performance and usability of production tools have also increased significantly. In the past, metal processing mainly relied on conventional **machine tools**, where the machining accuracy of workpieces was highly dependent on the operator's skill. However, with the widespread adoption of **CNC machine tools**, the precision of machined parts is no longer reliant on human expertise but rather on the advanced technology of **CNC machine tools**. In this article, I'd like to share my personal experience comparing imported CNC machining centers with domestic ones.
My company specializes in the processing and manufacturing of axle components for automobiles, which is considered a high-precision or "gold" machining process. Our main equipment includes CNC lathes and CNC machining centers. Approximately 75% of our machines are imported CNC machining centers, while the remaining 25% are domestically produced. Some might wonder why we don't use more domestic models. The truth is that we have carefully evaluated the options. Although China’s equipment industry has made remarkable progress in recent years, there are still significant gaps compared to foreign manufacturers in areas such as design, assembly, precision, and after-sales service.
Firstly, the ladder diagram of the imported CNC machining center system is extremely detailed. For instance, when a **machine** fails, it provides as much information as possible to locate the fault, and some even guide users on how to resolve the issue. If you're used to working with imported CNC machines, you may find it uncomfortable using domestic ones. Take a situation where a cable on one axis is worn out and causes a short circuit. The imported machine will clearly display the fault location and help you fix it within minutes. On the other hand, many domestic CNC machines only show a flashing alarm light without any specific guidance, making troubleshooting time-consuming and frustrating.
Secondly, imported CNC machining centers offer better line orientation and protection compared to domestic ones. They are generally well-organized and designed with safety in mind, making them more reliable. It's rare to find a situation where an axis cable is worn out and causes an open circuit. However, with domestic models, such issues are common due to poor wiring management. The cables are often exposed, leading to frequent short circuits. Once a wire is damaged, it's difficult to replace or repair because of limited space and lack of proper organization.
Here is a photo showing the wiring layout of the XH716E CNC machining center. As you can see, the wires are not properly protected, and damage is common. Maintenance staff often just connect the broken wire and cover it with a plastic sleeve, which isn’t a long-term solution. In contrast, imported machines rarely face such issues, as their wiring systems are designed to last and be easily maintained.
In addition, the protective features of imported CNC machines are also superior. You rarely see iron shavings or coolant leakage around the **machine tool**. The peripheral piping and wiring are neatly organized and user-friendly. This is a major challenge for domestic models, where coolant leaks and messy wiring are common problems. These issues have persisted for years, regardless of whether the machine is imported or domestic.
Here is a picture of the protective structure and peripheral piping of the XH716E CNC machining center. As shown, coolant and metal chips are scattered everywhere, and the pipes are tangled on the floor, creating a hazardous and unprofessional environment.
While there are differences between imported and domestic CNC machining centers, I hope that domestic manufacturers can take inspiration from these experiences and continue to improve the quality, reliability, and user-friendliness of their equipment. With ongoing innovation and attention to detail, the future of domestic machinery looks promising.
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