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Steel tube mill equipment encompasses the individual machines and subsystems that together form a complete production line. Shijiazhuang Faith Machinery Co., Ltd. supplies and integrates this equipment, ensuring that each component functions cohesively to convert steel coil into finished tubes efficiently.
The lineup of essential equipment begins with the uncoiling and straightening units. The uncoiler supports the weight of the steel coil and controls its unwinding, often with a braking mechanism to maintain tension. The straightening machine, typically a multi-roll leveler, then processes the strip to remove any curls or distortions, which is a prerequisite for high-quality forming.
The forming station is a complex assembly of mechanical components. It includes the mill housing, roll shafts, bearings, and the forming rolls themselves. The rolls are manufactured from durable materials and are dynamically balanced to operate smoothly at high speeds. The precise machining of these rolls is critical, as their profiles directly determine the accuracy of the tube's formed shape before welding.
The welding system is a major subsystem. For an ERW mill, this includes the high-frequency welder, its cooling system, and the weld squeeze assembly. The welder must provide a stable output, while the squeeze assembly must apply uniform pressure across the tube edges. The efficiency of this equipment directly influences the integrity of the weld.
Downstream processing equipment includes the scarfing tooling for flash removal, cooling tables, and the sizing station. The sizing section uses another set of precision rolls to calibrate the tube's diameter. The cutting system, usually a flying saw, is a sophisticated piece of equipment that must accelerate, synchronize with the tube, make a clean cut, and return to its start position without interrupting production.
Auxiliary equipment is also vital. This includes electrical control panels housing the PLC and variable frequency drives, hydraulic power units, and lubrication systems. Shijiazhuang Faith Machinery focuses on the selection and integration of this equipment to create a seamless workflow. The goal is to provide a production line where material handling, forming, welding, and finishing are synchronized, thereby optimizing productivity and minimizing operational bottlenecks for the end-user.
