Uncoiling Straightener Machine
- KINGREAL CEILING MACHINERY
- China
Introduction to Uncoiling Straightener Machine
KINGREAL CEILING MACHINERY uncoiling straightener machine integrates the core functions of coil uncoiling and precision straightening. Custom-engineered for metal coils with thicknesses ranging from 1.0mm to 6.0mm, it stands out as the preferred choice for heavy-gauge metal processing lines thanks to its integrated structure, high-precision straightening capabilities, and damage-free processing.
This uncoiling straightening machine serves as a critical piece of upstream equipment for precision metal coil processing. It ensures precise control over sheet flatness, providing a stable foundation for subsequent stamping, cutting, and forming operations, thereby playing a decisive role in guaranteeing product quality and processing accuracy.
Specifications of Uncoiling Straightener Machine
| Model | Model1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 |
| Material Width(mm) | 300 | 400 | 500 | 600 | 800 | 1000 |
| Material Thickness(mm) | 1.0～6.0 | |||||
| Motor Power(hp) | 5 | 8.7 | 8.7 | 10.7 | 12.7 | 16 |
| Straightening Rollers | ￠85 × 7 rollers (4 upper, 3 lower) | |||||
| Coil Inner Diameter(mm) | ￠460 ～ 520 | |||||
| Coil Outer Diameter(mm) | ￠1400 | |||||
| Coil Holder Load Capacity(kg) | 2000 | 3000 | 4000 | 5000 | 6000 | 8000 |
| Expansion Method | Hydraulic | |||||
| Sensing Method | Photoelectric / Contact | |||||
| Speed | Control Method Variable Frequency Drive (VFD) | |||||
Features of Uncoiling Straightener Machine
1. Specialized Bottom-Entry Feeding Structure for Heavy-Gauge Sheets
This 2-in-1 uncoiler straightener utilizes an industry-proven bottom-entry feeding structure, making it suitable for processing the full range of heavy-gauge metal coils (1.0mm–6.0mm). The 2-in-1 decoiler straightener features a pneumatic hold-down mechanism paired with a precision worm-gear leveling adjustment system. Integrating a dual intelligent control system—combining a variable frequency drive (VFD) and photoelectric sensors—it adaptively regulates the pace of uncoiling and leveling based on material specifications and processing speeds.
It delivers powerful leveling force and exceptional precision while ensuring a gentle operation throughout the process; this completely eliminates surface defects such as scratches, abrasions, and indentations, making it perfectly suited for the high-precision leveling of various thick-gauge coiled materials.
2. Stability and Safety
The core spindle of the decoiler straightener 2 in 1 machine is equipped with a high-performance hydraulic expansion mandrel system. Optimized for heavy, thick-gauge coils, it provides robust, uniform clamping force to securely hold large metal coils, effectively preventing issues like loosening, shifting, or slippage.
With its high level of automation and operational stability, the system significantly enhances safety and reliability during continuous operation, making it ideal for long-term, high-load industrial production environments.
3. Enduring High Precision
The uncoiling straightener machine is equipped with seven high-precision leveling rolls arranged in a scientifically optimized 4-over-3 configuration. With a uniform roll diameter of 85mm and balanced force distribution, the system comprehensively corrects deformations such as coil warp, waviness, and curvature. The rolls are crafted from GCr15 high-strength bearing steel and undergo dual precision treatments—quenching and tempering followed by high-frequency hardening—along with a hard-chrome plated surface finish.
This results in a surface hardness of HRC 60–62, ensuring superior wear resistance and dimensional stability. Machining precision reaches 0.01mm with extremely strict tolerance controls; the rolls resist deformation and wear during prolonged continuous operation, consistently maintaining high leveling accuracy and significantly extending the uncoiling straightening machine's durability and service life.
4. Smooth Material Feeding
The infeed section utilizes a pneumatic hold-down and release mechanism that automatically adjusts clamping pressure based on the material's thickness and hardness. It delivers sufficient, stable feeding tension to precisely and smoothly transport the metal coil into the leveling roll assembly.
Simultaneously, the feed rollers and leveling rollers operate in synchronized rotation, ensuring a seamless transition between the feeding and leveling stages. This enhances overall processing fluidity and meets the demands for feeding and leveling high-strength, thick-gauge materials.
5. High-Power Drive System
The 2-in-1 uncoiler straightener is equipped with a high-power (5–16 HP) leveling motor and a high-precision 30:1 worm gear reducer. Utilizing a stable chain-and-sprocket drive mechanism, it delivers robust leveling power, easily overcoming challenges associated with thick-gauge coils—such as high hardness, stubborn deformation, and difficulty in correction.
A variable frequency drive regulates motor speed throughout operation, allowing for stepless speed adjustment based on material specifications and processing requirements. This ensures precise control, ease of use, and stable power output, balancing leveling force with processing flexibility.
Optional Configurations for Uncoiling Straightener Machine
To accommodate diverse production scenarios, meet customized needs, and enhance equipment safety and longevity, the KINGREAL CEILING MACHINERY 2-in-1 decoiler straightener supports various optional configurations. These can be added or upgraded as needed to satisfy diverse, high-standard industrial production requirements.
1
Hinged Protective Cover for Leveling Head
An optional hinged protective cover for the leveling head provides comprehensive, enclosed protection for the machine's core leveling assembly.
On one hand, it prevents dust, metal chips, and debris from entering the head during operation, thereby avoiding issues such as roller wear, drive mechanism jamming, and electrical faults; this effectively reduces failure rates and significantly extends the machine's service life.
On the other hand, it ensures operator safety by eliminating the risk of accidental contact with moving parts and complying with industrial safety standards. The hinged design facilitates daily inspection and maintenance without hindering routine servicing.
2
Pneumatic Hold-Down Arm
To address issues where heavy, large-diameter thick-gauge coils tend to loosen or the outer wraps spring outward during uncoiling, a dedicated pneumatic hold-down arm can be installed.
During the uncoiling operation, the pneumatic hold-down arm maintains continuous pressure on the outer wrap of the coil, precisely controlling its tightness. This effectively eliminates issues such as coil unraveling, lateral shifting, or edge curling during the uncoiling of thick-gauge materials, ensuring a stable and orderly process.
It further enhances the operational stability of the decoiler straightener 2 in 1 machine, making it ideal for processing large, thick-gauge coils.
3
Automated Feeding Trolley
An optional dedicated feeding trolley is available, featuring automated lifting and bidirectional (forward/reverse) movement. This enables automated coil loading and feeding, significantly reducing manual labor intensity while improving efficiency and safety.
Additionally, the uncoiling straightening machine’s material reel specifications—such as inner/outer diameters and load capacity—can be customized to match specific customer requirements, ensuring a precise fit for unique production needs.
Why Choose Uncoiling Straightener Machines?
1. Cost Reduction and Efficiency Enhancement
The 2-in-1 uncoiler straightener integrates the two core processes of uncoiling and straightening into a single unit, replacing two separate machines. This significantly saves workshop floor space and reduces equipment procurement, operation, and maintenance costs.
The seamless integration of processes shortens material transfer paths, minimizes transition times and material waste, and effectively boosts the processing efficiency of the entire production line. It also simplifies daily maintenance, helping enterprises lower production inputs while increasing output and profitability.
2. Exceptional Versatility and Adaptability
The 2-in-1 decoiler straightener offers outstanding versatility, handling coil thicknesses ranging from 1.0mm to 6.0mm and accommodating the full spectrum of thin, medium-thick, and thick-gauge materials. It is compatible with a wide range of metals—including steel, aluminum, brass, and copper—ensuring stable processing performance.
Consequently, it is widely used across industries such as hardware stamping, sheet metal fabrication, home appliance manufacturing, automotive parts production, and metal products manufacturing.
3. Ensuring Finished Product Quality
The decoiler straightener 2 in 1 machine effectively corrects issues such as coil waviness, warping, bending, and uneven internal stress. It consistently meets leveling precision standards through a flexible operation process that ensures zero scratching or abrasion.
This perfectly preserves the material's surface integrity and the finished product's flatness, laying a high-quality foundation for subsequent processes like stamping, cutting, and forming, while significantly reducing the defect rate.
KINGREAL CEILING MACHINERY One-Stop Service
1. Comprehensive End-to-End Service
KINGREAL CEILING MACHINERY service system covers the entire project lifecycle. Services include on-site operational assessments, requirements analysis, customized equipment solutions, standardized manufacturing of the uncoiling straightening machine, precision pre-shipment testing, secure logistics, on-site installation and commissioning, operation and maintenance training, and long-term spare parts supply. We provide a one-stop solution for every stage—from procurement and installation to operation and maintenance.
2. Standardized Quality Control and Delivery
All uncoiling straightener machines are produced under strict standardized control processes. Every step—from raw material selection and component machining to equipment assembly, precision calibration, and final factory inspection—is rigorously monitored. Backed by a mature quality control system and extensive project implementation experience, we guarantee equipment quality and delivery standards. Every unit leaving the factory offers stable performance, high precision, and a long service life, helping customers achieve long-term, stable, efficient, and safe production.
3. Efficient and Rapid After-Sales Response
KINGREAL CEILING MACHINERY has established a dedicated professional technical service team and a 24/7 rapid response mechanism. We are ready to address a wide range of customer needs regarding the 2-in-1 uncoiler straightener, including technical consultations, parameter adjustments, routine maintenance, troubleshooting, and equipment upgrades. By responding quickly and efficiently to issues encountered during operation, we minimize downtime and ensure the continuous, high-efficiency operation of the production line.
Are you a manufacturer?
Yes, KINGREAL Ceiling Machinery is a professional sheet metal processing machines manufacturer, we are an OEM. We have been focusing on the field of machine manufacturing for more than 20 years.How to visit your factory?
There are 2 ways: either by plane or by train to Foshan/Guangzhou port. We will be picking you up in plane/train station, then we can go together.What's your Warranty ？
12 months except human error, during which all parts damaged because of quality problem will be changed for free. Parts that are out of warranty will be provided in factory price.What's your delivery Time ？
Within 60-80 days after receiving prepayment. Some machines in stock, can be delivered at any time.What's your payment terms ？
40% deposit is paid before production, the balance paid after inspection confirmation before shipment.What's your Install and Training ？
If buyers come to our factory to inspect, the training to install and operate is provided face to face. If not, Manual book and video is provided to show how to install and operate.
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