High-Precision Rebar Cage Rolling Machine: Structural Optimization & Performance Advantages
The equipment adopts a scientific operation mode: when the rebar cage skeleton rotates, it is dragged backward by the moving disk, while the disc bar remains fixed. This design avoids friction and wear between the disc bar and the rebar cage, ensures uniform winding of stirrups, and prevents damage to the surface of the reinforcement. It also simplifies the operation process, reducing the risk of misoperation caused by mutual movement of multiple components.
Precise control of rebar cage diameter is achieved through templates of the same diameter. A single project usually requires 2 to 7 types of templates to match different pile foundation specifications, and the templates are made of high-wear-resistant steel, ensuring long-term use without deformation. The spacing of main reinforcements is determined by the casing spacing pre-arranged manually on the template—with the number of casings matching the number of main reinforcements, ensuring uniform spacing and accurate positioning of main reinforcements.
Product Details
As a high-performance core equipment for rebar cage processing, our rebar cage rolling machine integrates advanced control technology and optimized structural design, ensuring stable operation, precise processing and strong adaptability to diverse project needs. It is widely applied in pile foundation projects of bridges, subways, highways, high-speed railways and industrial buildings, providing reliable support for efficient and standardized rebar cage production.
The core control system of the equipment adopts a professional PLC and three frequency converters to precisely set and regulate the movement and rotation of the fixed circling disk and moving disk. This integrated control solution realizes high-precision synchronization of multiple motors—critical to ensuring the overall size accuracy of the finished rebar cage. By adjusting the frequency converter parameters, the rotation speed and movement rhythm of the disks can be flexibly matched, avoiding deformation or size deviation caused by motor asynchrony. Even during long-time continuous operation, the system maintains stable synchronization, ensuring the diameter, length and concentricity of the rebar cage fully meet engineering design requirements.
In terms of welding adaptability, the machine covers a wide range of pile foundation specifications, with a applicable diameter of 400mm~2500mm. It can flexibly complete the welding work of three core combinations: single main reinforcement with single stirrup, single main reinforcement with double stirrup, and double main reinforcement with double stirrup. This versatility makes it suitable for both light-load and heavy-load pile foundation projects—for example, the double main reinforcement and double stirrup mode is specially designed for high-bearing pile foundations of high-speed railways and large bridges, significantly enhancing the structural strength and stability of the rebar cage. Compared with traditional equipment that can only handle single combination welding, this machine greatly reduces the need for multiple devices, saving investment costs for construction enterprises.
Structural optimization is a key highlight of the equipment, starting with the fixed frame and mobile frame. Through refined structural mechanics design and the adoption of high-strength lightweight alloy materials, the weight of the main engine is effectively reduced while ensuring overall rigidity, and the load of the power unit is correspondingly decreased. This optimization not only improves the energy efficiency of the equipment (reducing power consumption by about 15% compared with traditional models) but also enhances its load-bearing capacity, enabling it to process heavier rebar cages (up to 8 tons) that meet the needs of large-scale pile foundation projects.
The rim structure has also undergone a revolutionary upgrade. Abandoning the traditional process of cold bending the front steel after processing, the machine adopts high-strength seamless steel pipe as the raw material, which is directly put into use after precision cold-forming. This improvement changes the contact mode between the rim and the support roller—from line contact to surface contact, significantly increasing the contact area. The expanded contact area not only makes the equipment operation more stable (reducing vibration and noise to below 75dB) but also greatly reduces the operating inertia of the equipment, enabling faster start-stop response and more precise control of rotation speed, thus further improving processing accuracy.
The equipment adopts a scientific operation mode: when the rebar cage skeleton rotates, it is dragged backward by the moving disk, while the disc bar remains fixed. This design avoids friction and wear between the disc bar and the rebar cage, ensures uniform winding of stirrups, and prevents damage to the surface of the reinforcement. It also simplifies the operation process, reducing the risk of misoperation caused by mutual movement of multiple components.
Precise control of rebar cage diameter is achieved through templates of the same diameter. A single project usually requires 2 to 7 types of templates to match different pile foundation specifications, and the templates are made of high-wear-resistant steel, ensuring long-term use without deformation. The spacing of main reinforcements is determined by the casing spacing pre-arranged manually on the template—with the number of casings matching the number of main reinforcements, ensuring uniform spacing and accurate positioning of main reinforcements.
When the cage diameter and the number of main bars need to be adjusted, operators only need to manually replace the template and rearrange the casings, which takes about 1 hour to complete. Compared with traditional equipment that requires complex mechanical adjustments (taking 2-3 hours), this design greatly shortens the specification switching time, improving the overall production efficiency of multi-specification, small-batch projects.
With its advanced control system, optimized structure and strong adaptability, this rebar cage rolling machine effectively solves the pain points of traditional equipment such as low precision, poor stability and low efficiency, becoming an ideal choice for modern rebar cage processing projects.
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