In recent years, with the growing demand for domestic machine tool upgrades, the industry of machine tool transformation has gradually taken shape. Most of these transformations involve CNC machine tools, though some businesses also focus on upgrading non-CNC equipment. As a professional company that has steadily developed over time, we have achieved significant success in applying Siemens systems, transforming CNC machines, and providing design services for machine tool manufacturers. We are now among the top companies in the country. Last year, our company was honored with the title of Zhongjiwei, receiving the national A-level maintenance and renovation qualification certification from the association.
Throughout our transformation projects, we strongly believe that a well-designed renovation plan is crucial for successful implementation. We maintain strict control at every stage to ensure smooth execution, as this phase, although seemingly simple, involves complex elements. Our deep understanding of the system and past repair experiences allows us to provide comprehensive guidance. In this article, I will elaborate on the selection of transformation options and analyze each step in detail for your reference.
**I. Modern NC Drive Products Offer Diverse Options**
As an authorized agent and system integrator of Siemens CNC products, we have consistently used their solutions to serve our customers. The continuous updates in Siemens products have brought a new atmosphere, improving the image of traditionally expensive German electrical components and aligning them more closely with Japanese digital technologies.
One by one, let's explore:
1. **SINUMERIK 802S/C System**:
These systems come with standard configurations that include everything necessary—NC, PLC, operation panel, machine control panel, input/output units, and system software. They are easy to program, require no maintenance, and are cost-effective. Designed specifically for the low-end CNC market, they are widely used in China. The 802S uses a stepping drive system, while the 802C uses a servo drive system. The newer 802Se/Ce integrates all components into a compact design, making maintenance easier. These systems are ideal for retrofitting conventional machine tools and low-end CNC machines, including lathes, boring mills, grinders, and specialized planes.
2. **SINUMERIK 802D System**:
Introduced in the new century, the 802D is a mid-range system with full digital drive, Chinese interface, and a simple structure. It connects via Profibus and can be debugged using a PCMCIA card. The integrated PC hardware allows easy installation on the machine. It controls up to 4 digital axes and one spindle, with both analog and digital control capabilities. The modular SIMODRIVE 611 UE allows flexible configuration, and powerful Windows tools simplify parameter settings. This system is ideal for CNC lathes, milling machines, grinders, and small machining centers.
3. **SINUMERIK 840D/810D/840Di Systems**:
These high-end systems offer advanced control features and are widely used in automotive, aerospace, and machinery industries. The 840D provides a fully digital platform, integrating CNC, drive, and PLC systems. It supports complex machining tasks with high precision and dynamic performance. The 810D is a compact version of the 840D, suitable for various applications beyond traditional CNC machines, such as wood processing and packaging. The latest 840Di introduces a PC-based architecture, offering greater flexibility and compatibility with distributed systems.
4. **SINUMERIK 840C System**:
Renowned globally, the 840C system is designed for high-complexity CNC machines. It includes a powerful PLC and supports both analog and digital drive systems. Used in advanced boring mills, machining centers, and high-precision grinders, it remains highly popular due to its reliability and performance.
The table below outlines key functions of the SINUMERIK 840C system, covering display, operation, programming, and compensation features, demonstrating its versatility and precision in modern manufacturing.
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