CITIC Heavy Machinery Co., Ltd. has recently achieved a major breakthrough in the field of large-scale mining equipment, successfully developing and manufacturing the world's largest shaft drilling rig with full independent intellectual property rights. This advanced rig features a diameter of 13 meters, a drilling depth of up to 1,000 meters, and a maximum lifting capacity of 700 tons. The project marks a significant milestone for CITIC Heavy Machinery, showcasing its position as a global leader in the research, development, and production of large-scale drilling rigs.
The working principle of this large shaft drilling rig is similar to that of an oil drilling rig, but it is far more complex in terms of technical content and structural design. It integrates multiple advanced technologies, including mechanical systems, electrical controls, hydraulic mechanisms, and mud circulation systems. Only a few countries—such as the United States, Japan, Germany, and China—possess the core technology required to produce such large-scale drilling rigs. CITIC Heavy Machinery is the only company in China that has both the design and manufacturing capabilities for large-diameter shaft drilling rigs.
This technological advancement has made it possible to construct large coal mines in unstable geological formations, which was previously considered extremely challenging. According to feedback from users, the shaft drilling rigs developed by CITIC Heavy Machinery have made a "special contribution" to the Chinese coal industry, improving efficiency and safety in deep mining operations.
Leveraging the expertise of its state-level enterprise technology center, CITIC Heavy Machinery has continuously enhanced its capabilities in designing and manufacturing large-scale drilling rigs over the past years. To date, the company has produced six drilling rigs with diameters exceeding 9 meters. These rigs have successfully drilled over 30 large-diameter shafts in key coal mines across the country, further solidifying CITIC Heavy Machinery’s reputation as a leading player in the global mining equipment market.
CNC Drilling is a computer-controlled drilling process that uses a computer to program the coordinates and depth of drilling to create products on metal or non-metal materials. In CNC Drilling, a computer converts a 3D model created using CAD software into G-code to control a CNC machine tool.
The process of CNC Drilling includes the following steps:
- Programming: Using CAD software, a 3D model is created and converted into G-code to control the CNC machine tool.
- Fixing the workpiece: The workpiece is fixed to the CNC machine tool to ensure secure attachment.
- Drilling: According to the programmed coordinates and depth, a drill bit is used to drill holes on the workpiece.
- Finishing: The drilled holes are finished to ensure quality and precision.
- Inspection: The finished workpiece is inspected to ensure it meets the required standards.
CNC Drilling process has the characteristics of high precision, high efficiency, and ability to process complex shapes, and is widely used in automotive, aerospace, electronic, mechanical and other fields.
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