4 Roller Bending Machine

4 roller bending machines are indispensable tools that enhance precision, increase efficiency, and improve safety in metal forming.

In the demanding world of metal forming and fabrication, the need for precision, efficiency, and reliability is ever-increasing. Industries such as construction, manufacturing, and energy rely heavily on the ability to bend metal plates accurately and consistently. This is where the 4 roller bending machine excels. At HUALU, we are proud to offer state-of-the-art 4 roller bending machines that cater to the diverse needs of modern industry. This article will delve into the significance of 4 roller bending machines, their features and benefits, and why HUALU is your ideal partner for high-quality metal forming solutions.

The Importance of 4 Roller Bending Machines

4 roller bending machines, also known as 4 roll plate rolling machines, are advanced equipment used to bend metal plates into cylindrical, conical, or other complex shapes. The addition of a fourth roller offers enhanced control and precision, making these machines indispensable in various industrial applications.

Types of 4 Roller Bending Machines

1. Mechanical 4 Roller Bending Machines: Suitable for lighter and smaller projects, these machines are often used in workshops and small-scale manufacturing operations.
2. Hydraulic 4 Roller Bending Machines: Powered by hydraulic systems, these machines provide greater force and precision, ideal for bending thicker and larger metal plates.
3. CNC 4 Roller Bending Machines: Computer Numerical Control (CNC) machines offer automated, highly accurate bending processes, perfect for complex bends and high-volume production.

Features and Benefits of 4 Roller Bending Machines

Enhanced Precision

4 roller bending machines offer superior precision by providing accurate control over the bending process. The fourth roller allows for better grip and control, ensuring that the metal plates are bent to the exact specifications required. This reduces the risk of errors and enhances the quality of the finished product.

Increased Efficiency

By automating the bending process, 4 roller bending machines minimize manual handling, reduce downtime, and speed up production. This automation enables manufacturers to complete projects more quickly and with greater consistency, ultimately boosting productivity.

Versatility

4 roller bending machines can accommodate a wide range of plate sizes, thicknesses, and materials. Whether you’re working on small components or large industrial structures, CMG’s 4 roller bending machines offer the flexibility to handle diverse projects with ease.

Improved Safety

Handling large metal plates manually can be hazardous. 4 roller bending machines mitigate these risks by securely holding and bending the plates, minimizing the need for manual intervention. This reduces the likelihood of accidents and injuries in the workplace.

Cost Savings

By improving precision, increasing efficiency, and enhancing safety, 4 roller bending machines contribute to significant cost savings. Faster project completion translates to reduced labor costs, and higher-quality bends mean fewer reworks and repairs.

Why Choose CMG’s 4 Roller Bending Machines?

Selecting the right equipment is crucial for achieving optimal results in metal forming. Here’s why CMG is the best choice for your 4 roller bending machine needs:

Unmatched Expertise

CMG boasts years of experience in the metal forming industry. Our team of experts understands the challenges manufacturers face and has developed solutions that address these challenges effectively. We leverage our extensive knowledge to design and manufacture 4 roller bending machines that meet the highest standards of quality and performance.

Superior Quality

Quality is at the heart of everything we do at CMG. Our 4 roller bending machines are constructed using premium materials and advanced manufacturing techniques. Each machine undergoes rigorous testing to ensure it meets our stringent quality criteria. When you choose CMG, you’re investing in durable, reliable equipment that will serve you well for years to come.

Innovative Design

CMG’s 4 roller bending machines feature innovative designs that enhance functionality and user experience. Our engineers continuously strive to incorporate the latest technological advancements, ensuring our products are at the forefront of the industry. From user-friendly controls to advanced automation, CMG machines are designed with the user in mind.

Comprehensive Support

At CMG, we are committed to providing exceptional customer support. Our team is always ready to assist you with any questions or concerns you may have. Whether you need help selecting the right machine, require technical support, or seek maintenance tips, CMG is here to help.

Custom Solutions

We understand that every metal forming project is unique. That’s why we offer customizable solutions to meet your specific requirements. Our team will work closely with you to design and build a 4 roller bending machine that perfectly fits your needs, ensuring optimal performance and efficiency.

Competitive Pricing

While we never compromise on quality, we strive to offer competitive pricing for our 4 roller bending machines. We believe that top-notch equipment should be accessible to all manufacturers, regardless of budget. With CMG, you get the best value for your investment.

Applications of 4 Roller Bending Machines

4 roller bending machines are used in various applications across multiple industries:

Construction and Architecture

• Structural Components: Bending machines are essential for shaping metal plates used in constructing buildings, bridges, and other structures.
• Architectural Elements: These machines facilitate the creation of curved metal elements used in modern architecture, enhancing aesthetic appeal and functionality.

Manufacturing and Industrial Machinery

• Pipes and Tubes: Bending machines are crucial for producing pipes and tubes of various diameters, used in numerous industrial applications.
• Machinery Components: These machines help shape metal plates into components for industrial machinery, ensuring precision and reliability.

Energy Sector

• Storage Tanks: Bending machines are used to create cylindrical and conical sections of storage tanks for oil, gas, and other liquids.
• Wind Towers: These machines are integral to the production of wind tower sections, ensuring smooth and precise bends.

4 roller bending machines are indispensable tools that enhance precision, increase efficiency, and improve safety in metal forming. CMG’s 4 roller bending machines offer unmatched expertise, superior quality, innovative design, and comprehensive support. Whether you’re working on construction, manufacturing, or energy projects, CMG has the perfect 4 roller bending machine to meet your needs. Experience the CMG difference and revolutionize your metal forming process with our high-quality solutions. Choose CMG and achieve excellence with confidence.

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  What Are the Important Aspects of 4-roll Plate Bending Machine Lubrication?

  Symmetric and Asymmetric Bending:
  
  This enables the machine to roll the plate into an ideal cylinder with a small theoretical remaining straight edge at one time, similar to a symmetric three-roller bending process.
  Pre-Bending Function:
  The machine has a pre-bending function at the end of the plate.
  The remaining straight edge is small, and the work efficiency is high.
  The pre-bending is achieved by the lower rollers clamping the end of the steel plate, while the side rollers are inclined and raised to realize the pre-bending.
  Intelligent Roller Control:
  The lifting and lowering displacement of the bottom and side rollers is controlled by an intelligent PLC programmable controller.
  The system provides automatic leveling, digital display on the screen, and a synchronization accuracy of ±0.15mm.
  Roller Inclination and Movement:
  The bottom and side rollers of the 4-roll plate bending machine can be inclined at one end.
  They can rise and fall simultaneously in the inclined state.
  
  
  Excellent Integrated Hydraulic Transmission System:
  The machine uses a high-reliability hydraulic transmission system.
  Adjustable Shear Angle:
  The adjustable shear angle helps reduce distortion in thick plate bending.
  Inwardly Inclined Upper Knife Table:
  The inwardly inclined upper knife table design is conducive to blanking and improves production precision.
  Three-Point Support Linear Guide Rail:
  The three-point support linear guide rail design helps eliminate support point gaps, improving cutting quality.
  Fast, Precise, and Convenient Cutter Head Gap Adjustment:
  The cutter head gap can be easily and accurately adjusted.
  Rectangular Frame Cutter Head:
  The rectangular frame cutter head design allows all four tooth surfaces to be utilized, resulting in a longer service life.
  
  
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  Reasons and Solutions for the Heating of the Plate Rolling Machine

  The rolling mill's own oil tank is too small, leading to poor heat dissipation.
  The internal clearance is too large or the seal is damaged, causing excessive friction and heat buildup.
  Solutions to Fix the Rolling Mill Heating Problem:
  Before starting the machine, check the power supply system of the take-up machine to verify the proper operation of the mechanical system. Add lubricating oil according to the requirements of the lubrication chart.
  After turning on the power supply, check the rotation direction of the large gear. Ensure it is consistent with the direction indicated by the arrow. After confirming normalcy, turn on the foot switch.
  Maintenance and repair of the machine should only be carried out during downtime. Do not allow any part of the body to extend into the enclosed area of the rotating bed during operation, as it can be dangerous.
  After the operation is completed, cut off the power, clean the machine, clean the guide rails, and inject a suitable amount of lubricating oil into the blade.
  When a fault is found with the equipment, stop it immediately and contact the maintenance personnel. They can diagnose the issue and implement appropriate corrective measures.
  Lubrication:
  Add lubricating oil regularly, on time, and in the fixed quantities specified in the lubrication chart before turning on the machine.
  Ensure the lubricating oil is clean and free of sediment.
  Replace and top up the lubricating oil in the motor bearings at the recommended intervals.
  Electrical System:
  Frequently inspect the working condition of the electrical parts to ensure safety and reliability.
  Check repair switches, fuses, and control handles to ensure they are functioning properly.
  Mechanical Inspection:
  Regularly check the rolling mill's V-belt, handles, knobs, and buttons for any damage or wear.
  Promptly replace any seriously worn parts and order spare parts as needed.
  Operational Safety:
  Only designated and trained personnel should be allowed to operate the equipment.
  Keep all unauthorized personnel away from the machine during operation.
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  Benefits of Using a 4-Roll Plate Bending Machine

  This machine utilizes a unique mechanism where the lowering of the bottom roller allows it to clamp the sheet metal against the fixed upper roller, enabling the adjustment of the distance between the side rollers and the top roller to bend the sheet ends as needed.
  One of the key advantages of the 4-roller plate rolling machine is its ability to pre-bend the metal sheet edges, resulting in a small remaining straight edge, without the need for additional equipment like a press.
  This machine boasts excellent versatility, high productivity, and improved workpiece quality, while also featuring a straightforward process and user-friendly operation.
  Compared to mechanical transmission, the machine's hydraulic drive system offers benefits such as reduced noise, higher efficiency, lower energy consumption, compact design, and easy maintenance.
  The 4-roller plate rolling machine is well-suited for heavy-duty rolling applications and can support advanced levels of automation and technology.
  
  Versatility in Shaping - The machine can process metal sheets into a variety of shapes including cylinders, cones, and arcs.
  Integrated Pre-bending and Rolling - It can perform the pre-bending and final rolling of workpieces in a single process, leaving a small remaining straight edge (≤1.5 times the plate thickness) and achieving high rolling accuracy.
  Symmetric/Asymmetric Bending Capability - By adjusting the side roller positions, the machine can perform both symmetric and asymmetric bending to roll the metal into the desired cylindrical shape in a single pass, without the need for a separate press for pre-bending.
  Automated Control and Precision - The machine uses an intelligent PLC controller to automatically control the movements of the lower roller and side rollers, with features like auto-leveling, digital displays, and high synchronization accuracy (±0.15mm).
  Flexible Roller Tilting - The lower roller and side rollers can tilt on one end and move up/down in the tilted state, allowing for versatile adjustments.
  Efficient Friction-based Rolling - Both the upper and lower main drive rollers utilize the friction between the sheet metal and rollers to provide the required torque for the rolling process.
  Productivity and Quality Improvements - The integrated design and automation features enhance productivity, while delivering high-quality, precise cylindrical workpieces.
  

  
  
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  Rolling Process of 4-Roller Plate Rolling Machine

  The top roll is fixed in position, while the bottom and side rolls can move up and down. The top roll is driven by a hydraulic motor, while the rotation of the bottom and side rolls is driven by the frictional force between the steel plate and each roll. The bottom and side rolls are moved up by hydraulic cylinders.
  
  The rotation and reset of the front bearing housing of the top roll of the 4-roll plate bending machine is achieved by flipping the hydraulic cylinder. Each roll bearing housing and hydraulic cylinder are installed at the left and right ends of the frame. The left and right frames are the main structure of the 4-roll bending machine, welded and installed on the overall base. All the operations of the machine are carried out on the control panel.
  
  The rolling process of the 4-roll plate bending machine is as follows:
  
  Operate the bottom roll of the 4-roll plate bending machine to rise, making the material line slightly larger than the working thickness below the top roll. Then, operate the feed-side roller to align the material line on the top roll to the same level, and then operate the other side roller to rise between the top and bottom rolls.
  Feeding of the 4-roll plate bending machine: Horizontally feed the steel plate in, so that the end of the steel plate contacts the entire front roll, and then lower the front roll to its original position.
  Tighten the steel plate and pre-bend the end: According to the thickness and material of the steel plate, adjust the pressure of the bottom roll circuit within a specific range, operate the bottom roll to lift and clamp the steel plate, and start the top roll rotation. When the steel plate reaches the bending position, stop the rotation of the top roll. At this time, the necessary clamping length on the left end of the centerline of the top and bottom rolls is equivalent to 1.5 times the plate thickness. Then, lift the rear roll to pre-bend the end of the steel plate.
  
  
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  Innovative Dynamics: the Cutting Edge of 4 Roll Bending Machines

  Precision Beyond Boundaries
  This extra roll, known as the pinch roll, plays a pivotal role in facilitating more complex bending operations.
  
  The quadruple advantage allows 4 roll bending machines to achieve a higher level of precision and versatility. The pinch roll, working in tandem with the other rolls, ensures a more uniform distribution of pressure across the entire length of the material. This results in a superior quality of bends, enabling manufacturers to tackle a diverse range of materials and complex geometries with unprecedented accuracy.
  
  Digital Mastery in Metal Forming
  In the realm of 4 roll bending machines, digital mastery takes center stage. Advanced control systems govern every aspect of the bending process, providing operators with intuitive interfaces to program and monitor complex shapes. The dynamic control systems empower manufacturers to achieve intricate bends with a level of precision that was once considered unattainable.
  
  Continuous and Versatile Bending
  Innovative dynamics in 4 roll bending machines are not just about precision but also efficiency. The continuous rotation of all four rolls ensures a seamless and efficient bending process. Unlike traditional machines that require material repositioning for certain bends, 4 roll machines can accomplish multiple operations in a single pass.
  
  Reducing the need for manual intervention and material adjustments significantly accelerates production timelines. This efficiency is a game-changer in industries where quick turnaround times are essential. Whether it's producing curved components for machinery or crafting intricate architectural elements, the continuous and versatile bending capabilities of 4 roll machines set them apart as pioneers in efficient metal fabrication.