18mm Round Steel Stirrup Making Machine CNC Intelligent Bending Equipment

18mm Round Steel Stirrup Making Machine: CNC Intelligent Bending Equipment
Abstract
The 18mm Round Steel Stirrup Making Machine is a fully integrated CNC intelligent bending equipment designed for high-precision, automated fabrication of steel stirrups from coiled round steel bars up to 18mm in diameter. Combining straightening, hrănire, îndoire, and cutting functions in one compact unit, this machine revolutionizes rebar processing in modern construction by delivering unmatched efficiency, accuracy, and consistency. Driven by advanced PLC control and servo motor systems, it eliminates manual labor, reduces material waste, and meets the strict quality standards of high-rise buildings, poduri, autostrăzi, and precast concrete manufacturing.
1. Introduction
In the modern construction industry, the demand for standardized, high-quality reinforcement stirrups has grown exponentially. Traditional manual bending and semi-automatic methods are labor-intensive, slow, and prone to dimensional errors, making them unsuitable for large-scale projects. The 18mm Round Steel Stirrup Making Machine addresses these challenges as a fully automated CNC intelligent bending solution. It processes coiled round steel (φ6–18mm) directly into finished stirrups in a continuous workflow, îndreptarea integratoare, îndoire precisă, and high-speed cutting. This equipment represents a leap forward in rebar processing technology, offering a cost-effective, reliable, and intelligent alternative to conventional methods.
2. Core Technical Specifications
表格



Parameter
Value
Applicable Steel Diameter
Round steel: φ6–18mm; Rebar: φ6–16mm
Max Bending Angle
±180° (bidirectional bending)
Processing Precision
Length error: ±1mm; Angle error: ±0,5°
Straightness Accuracy
≤±1.5mm/m
Production Capacity
Single wire: 12–15 stirrups/min; Double wire: up to 2100 stirrups/h
Sistem de control
Industrial PLC + 7–10.5-inch touchscreen HMI
Drive System
Servo motors (closed-loop control)
Power Supply
380V/50Hz, 8–15kW
Machine Weight
1.6–2.5 tons
Stirrup Shapes
Rectangles, squares, triangles, poligoane, hoops, custom shapes (500+ pre-stored)
3. Key Structural & Functional Components
3.1 Automatic Feeding & Straightening System
• Coil Feeding Mechanism: Directly pulls coiled steel without a separate pay-off stand, reducing setup time and labor.
• Dual Straightening Unit: Horizontal + vertical adjustable rollers (7+ groups) cu 4 traction wheels, driven by servo motors for high-precision straightening, 7, 9.
• Anti-Slip Traction: Friction-based feeding ensures no bar slipping or surface damage.
3.2 CNC Intelligent Bending System
• Multi-Head Bending (5-head models): Five synchronized bending heads enable simultaneous or sequential bending, drastically boosting output.
• Servo-Driven Bending Dies: High-torque servo motors control bending angle and speed with ±0.5° accuracy; double-leaf dies support fast bidirectional bending.
• Programmable Logic: PLC system stores 100–500+ stirrup programs; operators input parameters via touchscreen or recall pre-set designs.
3.3 High-Speed Cutting System
• Hydraulic/Mechanical Cutting: Sliding or flying cutter design for clean, precise cuts with minimal burrs; suitable for small stirrups without excessive tool wear.
• Auto-Counting & Length Control: Digital encoder ensures accurate length measurement and auto-stops at preset quantities.
3.4 Human-Machine Interface (HMI)
• Touchscreen Operation: 7–10.5-inch color display for intuitive parameter setting (angle, lungime, viteză, cantitate).
• Fault Diagnosis: Real-time error alerts and troubleshooting guides for quick maintenance.
• Data Storage: Saves production recipes for fast product switching.
4. Avantajele de bază
4.1 Unmatched Precision & Consistency
Closed-loop servo control and high-resolution encoders guarantee dimensional accuracy (±1mm length, ±0.5° angle), eliminating human error and ensuring compliance with construction codes.
4.2 Exceptional Efficiency & Productivity
• All-in-One Processing: Combines straightening, îndoire, and cutting in one pass; 1 machine replaces 10–15 manual workers.
• High Output: Up to 2100 etrieri pe oră (double-wire mode), cutting project timelines significantly.
• Fast Setup: Quick die changes and program recall enable 30-second product switchovers.
4.3 Inteligent & User-Friendly Operation
• Minimal Training: Intuitive touchscreen interface; pre-loaded shape library allows novice operators to produce complex stirrups.
• Automation: One-person operation; auto-feeding, îndoire, tăiere, and counting reduce labor costs.
• Safety Features: Emergency stop, overload protection, and safety guards ensure operator safety.
4.4 Durabilitate & Întreținere redusă
• Heavy-Duty Construction: Thick steel plate welding, heat-treated key components, and alloy dies for long service life (500,000+ bends).
• Easy Maintenance: Modular design, accessible parts, and self-diagnosis minimize downtime.
5. Aplicații
This CNC intelligent bending machine is widely used across the construction and prefabrication sectors:
• Building Construction: High-rises, residential/commercial buildings, industrial facilities.
• Infrastructure: Highways, căi ferate, poduri, tuneluri, airports, proiecte de conservare a apei.
• Prefabrication: Precast concrete plants, rebar processing centers, steel fabrication yards.
• Special Projects: Custom stirrups for complex structural designs and seismic reinforcement.
6. Concluzie
The 18mm Round Steel Stirrup Making Machine is a cornerstone of modern intelligent construction equipment. By merging CNC technology, servo control, and automated workflow, it delivers precision, eficienţă, and reliability that manual and semi-automatic systems cannot match. As the construction industry moves toward greater automation and standardization, this machine will continue to play a pivotal role in reducing costs, improving quality, and accelerating project delivery. It is an indispensable investment for construction companies, rebar fabricators, and precast manufacturers aiming to stay competitive in the global market.
Future Outlook
Future advancements will focus on AI-driven process optimization, remote monitoring, IoT integration for predictive maintenance, and expanded compatibility with larger diameter steel bars and more complex stirrup geometries, further solidifying its position as the gold standard in rebar processing.