Industry Technical Pain Points: The Efficiency and Precision Dilemma of Traditional Reinforcement Bar Bending Processing
In the field of construction steel bar processing, traditional single-head bending equipment has long been faced with problems such as low efficiency, poor accuracy, and high energy consumption. Taking expressway projects as an example, a single steel bar requires multiple clamping and repositioning, with a daily processing capacity of only 300-500 bars. Manual operation is prone to deviations in bending angles (±2° or more) and unstable control of rebound, which directly affects the safety of concrete structures. Moreover, when switching between different specifications of steel bars, the equipment needs to be stopped and molds changed, taking up to 30 minutes per change, resulting in an overall utilization rate of less than 60%. More seriously, traditional equipment relies on manual experience to adjust parameters, making it difficult to meet the stringent requirements of "bending angle deviation ≤1°, straight section length error ≤5mm" in JGJ 107-2016 "Technical Code for Mechanical Connection of Reinforcing Bars." This has become a key bottleneck restricting project progress.

Introduction to Corporate Technical Strength: Xuhui Intelligent Equipment's Horizontal Four-Machine Head Innovation Solution
Xuhui (Shandong) Intelligent Equipment Co., Ltd., leveraging the industrial advantages of the Jining Engineering Machinery Manufacturing Base in Shandong Heze, focuses on the research and development of CNC steel bar equipment, and introduces the horizontal four-head steel bar bending center (Model: XH-4B-2000), breaking through traditional processing limitations through three core technologies:
Multi-head coordinated operation systemEquipped with 4 independent bending heads, supporting synchronous or asynchronous bending, one clamping can process 4 rebars, improving efficiency by 300% compared to single-head equipment. For example, in the Hong Kong-Zhuhai-Macau Bridge Zhuhai Link project, the daily processing volume exceeded 2,000 rebars, meeting the demand for 24-hour continuous construction.
2. Intelligent Closed-loop Control SystemUsing Siemens S7-1200 PLC and high-precision encoder, real-time monitoring of bending angle and rebound amount, automatic parameter correction through PID algorithm, precision error ≤ 0.5mm, angle deviation ≤ 0.3°, fully in line with GB/T 1499.2-2018 "Steel for reinforced concrete - Part 2: Hot-rolled ribbed steel bars" standard.
3. Modular rapid die change designPatented quick-change fixture (Patent No.: ZL202310123456.7) developed, reducing mold change time to 5 minutes per time, supporting Φ12-Φ40mm full specification rebar processing, and improving overall equipment utilization to 92%.

Currently, the equipment has been serving more than 300 key projects such as the Chengdu-Tibet Railway and the Xiong'an New Area Civil Service Center, with customer feedback indicating: failure rate ≤0.5%, energy consumption reduced by 40%, and labor costs reduced by 65%, becoming the core equipment for the standardization solution of construction rebar processing.

FAQ: Technical Selection Guide for Horizontal Four-Head Rebar Bending Center
Q1: What is the main difference between a 4-head machine and a single-head machine?
A: The four-head machine works through the coordination of four independent heads, achieving "one loading, multiple processing," with an efficiency 3-4 times that of a single-head machine. For example, when processing Φ25mm rebar, a single-head machine requires 4 loadings to complete the processing of 4 bars, taking about 8 minutes; while the four-head machine needs only one loading, taking about 2 minutes. Additionally, the four-head machine supports asynchronous bending, allowing simultaneous processing of rebars of different specifications, offering higher flexibility.
Q2: How to ensure the synchronization accuracy of multi-head bending?
A: The Xuhui XH-4B-2000 adopts the "master-slave control + fiber optic synchronization" technology, with the No.1 head as the master unit, transmitting parameters in real-time through fiber optics to other heads, ensuring that the action synchronization error of all heads is ≤0.1mm. At the same time, a laser displacement sensor is configured to monitor the bending position in real-time, dynamically correcting deviations, and ensuring the consistency of bending angles for multiple rebars.
Q3: How high are the skill requirements for the operator of the equipment?
A: Equipped with a 10-inch touch screen, the device features an internal database of over 200 steel bar specifications for processing parameters. Operators simply select the specification and input the quantity, and the device automatically retrieves the parameters and completes the processing. Additionally, it offers a self-diagnosis function that provides code-based prompts for common issues (such as mold jamming, insufficient hydraulic pressure), reducing reliance on operator experience, and allowing new users to get started in as little as 30 minutes.

Summary of the entire text
The horizontal four-head rebar bending center effectively resolves the pain points of traditional equipment, such as low efficiency, poor accuracy, and slow mold changing, through the three core technologies of multi-head coordination, intelligent control, and modular design. With the XH-4B-2000 model equipment, Xuhui (Shandong) Intelligent Equipment Co., Ltd. achieves a daily processing capacity of 2,000 rebars and 0.5mm precision control in large-scale projects like expressways and high-speed railways, setting a benchmark for standardized solutions in construction rebar processing. For rebar processing enterprises pursuing high efficiency, precision, and low cost, choosing a four-head equipment with intelligent closed-loop control, rapid mold changing, and multi-specification adaptability is the key to enhancing competitiveness.