**The Foundation Requirements for Numerical Control Equipment** First, the foundation of numerical control equipment must meet specific requirements. In practice, many users neglect the installation environment of the equipment. For heavy and precision machine tools, manufacturers usually provide a detailed foundation layout diagram. It is essential to prepare the foundation in advance and ensure it stabilizes after maintenance before installing the machine. Without a stable base, the accuracy of the machine tool cannot be maintained, and even after adjustments, the performance may fluctuate. For smaller CNC machines, there are fewer strict foundation requirements. According to China’s GB 50040-1996 “Power Machine Basic Design Specification,” several key factors should be considered during the design phase. These include the equipment model, speed, power, dimensions, weight distribution, and the location of pipelines, trenches, and anchor bolts. The disturbance force and torque from the machine must also be taken into account. Additionally, geological data and ground dynamics tests of the construction site are necessary. The foundation should be separated from building structures and concrete floors. If pipelines cause significant vibrations, isolation measures should be implemented. When vibrations affect nearby personnel or sensitive equipment, additional isolation techniques must be applied. The foundation must not cause harmful settlement, and anchor bolt installation must follow strict guidelines—such as embedment depth, spacing from edges, and minimum concrete thickness under the base. Table 1 provides standard concrete thickness values for different types of machine tools based on their dimensions. For example, horizontal lathes require 0.3 + 0.070L meters of concrete, where L is the length. This table helps guide the design of the foundation to ensure stability and longevity. In addition to general requirements, manufacturers should also provide details about the machine’s external dimensions, weight distribution, and movement range. Heavy and precision machines should be installed on separate foundations to avoid interference. When designing such bases, the size and thickness must comply with the specified standards. If deformation could affect machining accuracy, structural calculations and reinforcement may be required. For high-precision machines weighing over 500 kN, special pre-compression measures are necessary if the foundation is on soft ground. This involves applying a pre-load of 1.4–2.0 times the total weight of the machine and workpiece. Vibration isolation techniques, such as trenches filled with foam or elastic materials, are often used to protect precision equipment from external disturbances. Finally, proper power supply and environmental conditions are crucial. The grid voltage should remain within ±10% to -15%, and fluctuations can lead to system failures. Backup batteries help retain data during outages, but long power interruptions still pose risks. A stable power supply with automatic voltage regulation is highly recommended. CNC machines also require clean, dry compressed air for pneumatic components. The air supply system should be properly designed with filters, dryers, and storage tanks. The working environment must maintain a controlled temperature (between 0°C and 35°C) and humidity below 75%. Machines should be placed away from direct sunlight, dust, and corrosive gases to ensure optimal performance and reduce thermal deformation. By following these guidelines, users can ensure that their CNC equipment operates efficiently and reliably, maximizing both productivity and cost-effectiveness.

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