Large Diameter pipe /tube bending machine for sale

Shelf time: 2026-1-27
Model DW130CNC
Specification Large diameter 130mm, thickness 8mm
  1. Automatic recognition of power in machine and work piece, the processing is both quick and good
    2. Slow returning core, boosted by barrow, imporving the apprearance of the angle. 
    3. The whole operation is in the computer, simple, quick and correct 
    4. Picturized programming system: draw and modify on the stereo pipe image on the screen, makes the operation simple, quick and correct 
    5. Rebound test: comparison test on the features of lots of pipe materials 
    6. Single-step debugging function- a careful observe on the deformation of the pipe material during the trail manufacture of dies. 
    7. Automatic drawing of the graphics of dies-clear help to develop new products 
    8. Over-all inspection: hydraulic/electrical circuit/ driving systems, adsence of phase in motors/inversion, voltage, temperature, oil pressure, and automatically diagnose the troubles

Specification/Model

DW130CNC

Max bending diameter of tube

130mm

Max bending wall thickness of tube

8.0mm

Max bending radius

500mm

Min bending radius

130mm

Max bending angle

190°

Max feeding length

3200mm

feeding method

direct feeding / clamping feeding

Bending speed

Max 25°/s

Rotary speed

Max 160°/s

Feeding speed

Max700m/s

Bending accuracy

±0.15°

Rotary accuracy

±0.1°

Feeding accuracy

±0.1mm

Typical Application Scenarios

• Manufacturing of large-scale pipeline systems in petrochemical and natural gas industries

• Production of structural components of ship hulls and offshore platforms

• Processing of frame structures of construction machinery (excavators, cranes, etc.)

• Fabrication of large-diameter steel pipe supports in bridge and building construction

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Applications and Capabilities of a Large Diameter Pipe Bending Machine

A large diameter pipe bending machine is an essential piece of heavy industrial equipment designed to form pipes and tubes with significant outer diameters, typically ranging from several inches up to over 30 inches, depending on the model. These machines are engineered to handle the substantial forces required to bend thick-walled materials like carbon steel, stainless steel, and alloy pipes without causing wrinkles, flattening, or excessive wall thinning. The core technology often involves a rotary draw bending process, where the pipe is clamped against a precision-machined bend die and drawn around it by a powerful hydraulic or electric servo system. For the largest diameters, induction heating or hot sand packing might be employed to make the metal more pliable and achieve tighter bend radii with minimal springback. The applications for a large diameter pipe bending machine are vast and critical to modern infrastructure and industry. They are indispensable in constructing pipelines for oil and gas transmission, where long sections of pipe must be bent to navigate terrain changes, road crossings, and other obstacles. In the power generation sector, these machines form large-bore piping for boiler systems, cooling lines, and exhaust ducts. Shipbuilding relies on them to create complex piping runs for engine rooms, ballast systems, and hull structures. Furthermore, they are used in architectural projects for creating structural elements, in the chemical industry for process piping, and in heavy machinery manufacturing. Modern large diameter pipe bending machines are often CNC-controlled, allowing for the programming of multiple bends in three dimensions with high repeatability. This automation ensures that each bent section matches the digital design perfectly, which is crucial for projects where prefabricated pipe spools must fit together precisely on-site, saving immense amounts of time and labor during installation.

Choosing a Top OEM Large Diameter Pipe Bending Machine Manufacturer

Selecting the right OEM large diameter pipe bending machine manufacturer is a critical decision that impacts the productivity, quality, and long-term return on investment for any heavy fabrication workshop. An Original Equipment Manufacturer (OEM) with a proven track record, like our company based in China, offers distinct advantages over generic equipment suppliers. As a top manufacturer, we control the entire engineering and production process, from designing the robust machine frame and selecting high-torque servo motors to programming the advanced CNC system and performing rigorous load testing. This vertical integration allows us to build a large diameter pipe bending machine that is not only powerful but also reliable, precise, and tailored to specific customer needs. When evaluating an OEM partner, key considerations include the machine's maximum bending capacity (diameter and wall thickness), the type of drive system (full hydraulic for maximum force or electric servo for precision and energy efficiency), the level of automation (manual loading vs. fully automated with robotic arms), and the sophistication of the control software. A top manufacturer will provide a machine with features like automatic tool change systems, real-time angle monitoring with laser measurement, and springback compensation algorithms to ensure the first and every subsequent bend is accurate. Furthermore, a reputable OEM offers comprehensive support, including operator training, detailed technical documentation, and a global network for spare parts and service. By partnering with a manufacturer that prioritizes innovation and quality, you gain access to ongoing technical upgrades and support for integrating the bender into a larger automated production line. Investing in a high-quality large diameter pipe bending machine from a trusted OEM manufacturer is an investment in your facility's capability to take on larger, more complex, and more profitable projects, ensuring you remain competitive in the demanding fields of construction, energy, and heavy industry.