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Application of CNC Drilling and Milling Machines in the Tubesheet and Valve industries
Time : 2025-08-05

The gantry CNC drilling and milling machine, with its high precision, high efficiency, and multi-functional characteristics, has become the core equipment in modern manufacturing to replace traditional processing equipment (such as radial drill presses and conventional milling machines), particularly excelling in industries such as tube plate processing, valve manufacturing, and mechanical processing.



1. Tube Plate Processing Industry: Replacing Traditional Manual and Segmented Processing


Traditional methods: Relying on marking and drilling, dividing plates, or radial drill presses, multiple clamping operations are required, and hole position accuracy depends on the worker's experience, resulting in low efficiency (e.g., drilling large tube sheets can take several days).


Gantry CNC drilling and milling machines complete multiple processes in a single clamping operation: Through CNC system automatic positioning, drilling, milling slots, and tapping can be completed in one go, ensuring high precision and eliminating repetitive positioning errors.


High-efficiency batch drilling: For hundreds of holes in heat exchanger tube sheets, array drilling can be programmed, achieving speeds 3-5 times faster than traditional methods.


Complex slot processing: For example, sealing slots in tube sheets traditionally require step-by-step milling, but CNC gantry machines can perform linked milling, reducing processing time.


cnc plate drilling  machine

2. Valve manufacturing: Solving challenges with high-hardness materials and complex structures


Traditional bottlenecks: Processing flange holes and sealing surfaces on valve bodies and covers requires collaboration between multiple machines, and stainless steel/alloy steel materials can cause tool wear.


The composite processing capabilities of the CNC gantry drilling and milling machine: After clamping the valve body, it can complete the entire process, including rough milling, finish milling, drilling, and boring, reducing the need for equipment changes.


Hardmetal Tool Compatibility: The CNC system can optimize cutting parameters (such as spindle speed and feed rate) to extend tool life and reduce processing costs for high-hardness materials.


Angled Hole/Surface Machining: Using the optional five-axis interpolation function, the machine can directly machine angled flange holes in valves, eliminating the need for traditional fixtures.




The gantry CNC plate drilling machine, through the integration of “high precision + multi-functionality + automation,” is redefining manufacturing processes in industries such as tube sheets and valves. As CNC equipment continues to evolve, production processes will become further automated and standardized, enhancing production efficiency and market competitiveness for enterprises.