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Effortless Precision in Plate Rolling

At Monotech Engineers Pvt Ltd, our advanced Four Roll Plate Bending/Rolling Machines are engineered for seamless operation, energy efficiency, and superior performance. Designed to handle heavy-duty plate rolling tasks with ease, our machines enhance productivity while minimizing operational efforts

Our cutting-edge linear-guided systems bring multiple advantages to your fabrication setup—exceptional precision, long-lasting durability, reduced capital investment, and lower maintenance costs—giving your business a competitive edge.

Innovative Machine Design

  • Four-Roll Configuration: Incorporates a fixed top roll, a vertically adjustable bottom roll, and two side rolls with a swing-motion mechanism for precise shell formation.
  • Powerful Drive System: The top roll is driven by high-performance planetary gearboxes with a hydraulic motor for smooth and efficient rolling.
  • Enhanced Grip & Stability: The bottom roll, positioned directly below the top roll, ensures superior grip, especially for thin plates, reducing slippage.
  • Precision Control: Our Monotech Hydraulic Cylinder Synchronization System maintains exact parallelism for consistent results.
  • Versatile Forming Capabilities: Ideal for mass production of pipes, tanks, elliptical shells, and other non-circular components.
  • CNC Compatibility: The advanced roll configuration supports CNC operation for high precision and automation.

Superior Build Quality for Unmatched Performance

4 Roll Bending Machine

Precision-Engineered Rollers
 – Made from a unique material blend to ensure exceptional accuracy, durability, and surface quality.

4 Roll Plate Rolling Machine
  • Heavy-Duty Monoblock Steel Frame
     – Constructed with ISMB-supported ribs across the length to minimize deflection under heavy loads.
4 Roll Plate Rolling Machine
  • Stress-Relieved & Corrosion-Resistant
    Fabricated from tested steel plates, stress-relieved, and coated with epoxy primer for an extended lifespan.
4 Roll Plate Rolling Machine
  • Forged EN8 Rollers
     – Designed for extreme durability, our rollers undergo forging to enhance strength up to five times more than standard market alternatives.
4 Roll Plate Rolling Machine
  • Compact & Efficient Transmission
    – Featuring a low-maintenance torque transmission system for seamless power delivery and long-term reliability.

Gain The Monotech Advantage

Ensuring superior durability and performance.

Achieving unmatched accuracy in every roll.

Delivering robust power with efficiency.

Engineered for stability and longevity.

Reducing downtime and operational costs.

Minimizing noise for a better working environment.

Enjoy the peace of mind that you are in good hands.

Product Range

Monotech Model No. Working Length (mm) Maximum Thickness Pre Bend Thickness Top Roll Dia Bottom Dia Side Rolls Diameter Power HP
MT-DPRPM-4H-0620 2100 06 04 160 160 140 05
MT-DPRPM-4H-0820 2100 08 06 190 190 150 7.5
MT-DPRPM-4H-1020 2100 10 08 210 210 170 10
MT-DPRPM-4H-1220 2100 12 09 230 230 190 15
MT-DPRPM-4H-1620 2100 16 12 300 270 240 20
MT-DPRPM-4H-2020 2100 20 15 330 300 270 25
MT-DPRPM-4H-2520 2100 25 16 360 330 280 30
MT-DPRPM-4H-3220 2100 32 25 360 350 280 35
MT-DPRPM-4H-4020 2100 40 32 460 400 320 40
MT-DPRPM-4H-5020 2100 50 40 460 450 360 50
MT-DPRPM-4H-6020 2100 60 42 500 500 400 55
MT-DPRPM-4H-0825 2600 08 06 210 190 170 7.5
MT-DPRPM-4H-1025 2600 10 08 230 210 190 10
MT-DPRPM-4H-1225 2600 12 09 250 230 210 15
MT-DPRPM-4H-1625 2600 16 12 320 280 250 20
MT-DPRPM-4H-2025 2600 20 15 350 320 270 25
MT-DPRPM-4H-2525 2600 25 16 400 360 300 30
MT-DPRPM-4H-3225 2600 32 25 440 400 320 35
MT-DPRPM-4H-4025 2600 40 32 510 470 430 50
MT-DPRPM-4H-5025 2600 50 40 510 470 430 55
MT-DPRPM-4H-0830 3100 08 06 240 210 190 7.5
MT-DPRPM-4H-1030 3100 10 08 260 230 210 10
MT-DPRPM-4H-1230 3100 12 09 280 250 230 15
MT-DPRPM-4H-1630 3100 16 12 360 320 270 20
MT-DPRPM-4H-2030 3100 20 15 390 350 300 25
MT-DPRPM-4H-2530 3100 25 16 420 380 320 30
MT-DPRPM-4H-3230 3100 32 25 490 460 400 40
MT-DPRPM-4H-4030 3100 40 32 540 510 430 50
MT-DPRPM-4H-5030 3100 50 40 540 510 430 55
About
About
About

Unmatched Operational Efficiency & Benefits

  • Superior Roll Accuracy & Repeatability – Achieves five times higher precision compared to conventional rolling machines, ensuring flawless results.
  • User-Friendly Control Desk – Centrally located for seamless operation, allowing a single operator to manage all functions, including roll rotation, direction change, and height adjustment effortlessly.
  • Effortless Shell Removal – A robust drop-end mechanism made from tested steel plates provides maximum opening between the top and bottom rolls, allowing easy removal of rolled shells without obstruction.
  • Advanced Bearing & Tilting Mechanism – Equipped with spherical self-aligning bearings, enabling smooth cone bending and precise roller tilting for complex shapes.
  • Roll accuracy and repeatability at least five-fold higher than a conventional Rolling Machine.
  • The control desk is conveniently located on the machine and all functions like Roll Rotation, Roll Stop, Direction change & Roller up & down movement can be controlled/performed from the same desk. A single person can easily handle the machine till complete rolling of plate is done.
  • A sturdy and robust drop end made out of tested steel rolled plates is designed to give ease and convenience of function. The opening between top and bottom roll is maximum in this type of machine which makes it most convenient to remove rolled shell from machine without any hurdle.
  • Spherical Self-aligning bearings for easy cone bending facility & roller tilting facility.

Exceptional Operational Benefits

Pre-Pinching (Pre-Bending) for Seamless Edge Bending
  • Edge bending can be performed before or after shell rolling, depending on operator preference.
  • Thin plates can be rolled and pre-bent in a single pass, improving efficiency.
Effortless Cone Bending
  • Achieving precise cone bending geometry is simple with our K-series machines.
  • Inclined bottom rolls allow seamless cone formation, monitored and controlled via an advanced microprocessor system (available in select models).
  • Our control system ensures a precise return to parallel settings, delivering consistent accuracy for repetitive jobs.
High Productivity & User-Friendly Operation
  • Industry-leading efficiency in forming cylinders and cones.
  • Easy to install, operate, and maintain, requiring minimal operator training.
  • Robust construction minimizes wear & tear, extending machine lifespan.
  • Tropicalized oil cooling system supports uninterrupted operation in high-temperature environments.
  • Simplified hydraulic and electrical systems reduce downtime.
  • Readily available spare parts for quick servicing.
Versatility for Complex Shapes
  • Beyond cylinders and cones, our PLC-controlled machines can produce non-circular shapes like elliptical shells and oil tankers with precision.
Cost-Effective & Energy-Efficient Investment
  • Built for long-term reliability, our machines feature a failure-resistant linear guideway system and high operational precision, making them the ideal investment for both mass production and job shops.
  • A wide range of customizable accessories enhances machine capability, ensuring maximum ROI.
  • Energy-efficient design and low maintenance requirements guarantee minimal running costs.

Pre-Pinching (Pre-Bending) Excellence

About

Our machines allow pre-bending before or after rolling, giving operators full control based on their skill and production needs. Thin plates can be rolled and edge-bent in a single pass, enhancing efficiency and reducing processing time.

With rugged durability, unmatched precision, and superior flexibility, our Four Roll Plate Rolling Machines are the perfect solution for medium-to-heavy-duty fabrication requirements.

Monotech's Four Roll Plate Rolling Machines offer exceptional performance and versatility. Built for durability and precision, they are the ideal solution for medium-to-heavy-duty rolling applications, ensuring efficiency and accuracy in every operation

Advanced Features & Customization Options

At Monotech Engineers Pvt Ltd, we go beyond exceptional design and build quality by offering customized features and accessories to meet your specific requirements.

1

Surface-Hardened Rolls

Induction-hardened rolls with a surface hardness of 42 to 55 HRC, ensuring enhanced durability and extended lifespan.

2

Central & Side Shell Supports

Provides better operational stability, cost efficiency, and enhanced worker safety while improving productivity.

3

Hard Chrome-Plated Rolls

Specially designed for applications in the pharmaceutical and dairy industries, offering superior corrosion resistance and precision.

4

Tilting Table

Tilting tables assist in feeding plates at specific angles, especially useful for handling large-length plates with ease.

5

Powered Conveyors

Improves plate feeding efficiency, particularly for longer plates, enhancing machine performance and longevity.

6

CNC Control System (Under Development)

We are actively developing a state-of-the-art CNC system for our Four Roll Machines, bringing automation, accuracy, and ease of operation to the next level.

FAQs

A Four Roll Plate Rolling Machine is an advanced metal bending machine designed for rolling steel plates into cylinders, cones, and other curved shapes. Unlike traditional 3-roll machines, it offers greater precision, efficiency, and automation, making it ideal for heavy-duty industrial applications.

This machine operates with four synchronized rollers:

  • The top roll remains stationary while the bottom roll moves vertically for grip.
  • The side rolls swing in a curved motion, shaping the metal into the desired form.
  • Pre-bending and rolling are done in a single pass, eliminating the need for manual repositioning.

These machines are widely used in industries such as:

  • Heavy Fabrication – Oil tanks, silos, and wind towers
  • Shipbuilding – Hull and structural steel bending
  • Aerospace & Defense – Precision sheet metal bending
  • Automobile & Transport – Chassis and bodywork manufacturing
  • Renewable Energy – Wind turbine towers and pressure vessels
  • High precision & repeatability – Ensures accuracy in every roll
  • Faster production – Pre-bending and rolling in one operation
  • Easy cone bending – No additional tools required
  • Lower material wastage – Optimized rolling reduces scrap
  • User-friendly operation – Requires minimal training

Yes! Apart from standard cylinders and cones, our machines can roll elliptical, oval, and custom-shaped shells, making them highly versatile for various applications.

Our high-precision rollers can handle a variety of materials, including:

  • Mild Steel
  • Stainless Steel
  • Aluminum
  • Copper & Brass
  • Titanium & Specialty Alloys
  • 🔹One-person operation – A single operator can handle the entire rolling process
  • 🔹Pre-bending without plate flipping – Reduces handling time and increases efficiency
  • 🔹CNC/PLC automation – Ensures precision and repeatability for large-scale production
  • 🔹 Low maintenance & energy-efficient design – strong> Minimizes operational costs

Our machines come with Hydraulic and CNC-controlled options to suit different production needs. Custom configurations are available based on your power requirements.

Choosing the best machine depends on factors such as:

  • 🔹Plate thickness & width – Determine the machine’s rolling capacity
  • 🔹Material type – Different metals require specific rolling strengths
  • 🔹Production volume – For high production, a CNC model is ideal
  • 🔹 Custom shaping needs – Some applications require advanced roll configurations
Who Trust Us

Want to Know More?

Download our brochure or request more information to learn about how Monotech can help you achieve your manufacturing goals.

Download Our Brochure Request Information

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