Ag Classic Rib Roof Roll Forming Machine

দ্য ag classic rib roof roll forming machine is an essential equipment for manufacturing ribbed metal roofing panels and decking sheets efficiently. This guide provides a comprehensive overview of ag classic rib roof roll forming machines, their working, types, applications, specifications, suppliers, installation, operation, maintenance, and selection criteria.

Overview of Ag Classic Rib Roof Roll Forming Machine

দ্য ag classic rib roof roll forming machine is used to form metal coil into roofing panels and sheets with ribbed or corrugated profiles. These machines utilize a series of roller dies to bend and shape the sheet metal into the desired rib shapes as it passes through the different forming stations.

Some key features of ag classic rib roof roll formers:

  • High production efficiency and speeds up to 25 m/min
  • Capability to produce different rib profiles and heights
  • Quick roll change design allows fast profile changes
  • Robust all-steel welded construction for durability
  • Advanced PLC control system for precision and automation
  • Safety features like sheet guiding equipment and protections

Main Components

The major components of an ag classic rib roof forming machine include:

আনকোয়লারHolds metal coil and feeds into the roll former
FeederFeeds metal sheet into forming stations at set speed
Forming stationsEach station progressively forms the rib shape
পাঞ্চিং ইউনিটPunches holes if required
Hydraulic systemProvides power for forming operations
Control systemPLC and HMI for controlling and monitoring machine
Roll-changing systemAllows quick roll die change for profile change

Working Principle

The working principle involves:

  • Sheet metal coil loaded onto the powered unwinding reel
  • Sheet gets fed into the feeder at a constant speed
  • Forming rollers bend the sheet progressively into the ribbed shape
  • Punching unit punches holes if needed for fastening
  • Formed corrugated sheet gets collected continuously at the exit
ag classic rib roof roll forming machine
Ag Classic Rib Roof Roll Forming Machine 4

Types of Ag Classic Rib Roof Forming Machines

Ag classic rib roof formers are available in different types based on:

1. Number of corrugations:

  • Single rib machine
  • Double rib machine
  • Multi-rib machine

2. Roofing sheet width capacity:

  • Narrow width up to 800mm
  • Standard width up to 1250mm
  • Wide width up to 2100mm

3. Rib sheet metal thickness:

  • Light gauge 0.35 – 0.8mm
  • Regular gauge 0.8 – 2.0mm
  • Heavy gauge above 2.0mm

4. Level of automation:

  • Manual rattling and roll change
  • Semi-automatic with powered features
  • Fully automatic PLC-controlled

Applications of Rib Roof Forming Machines

Ag classic rib roof forming machines are used to manufacture:

  • Trapezoidal roofing sheets
  • Corrugated roofing sheets
  • Decking and structural sheets
  • Cladding sheets
  • Wall panel profiles
  • Roof drainage sheets
  • Architectural and decorative sheets

These ribbed metal roofing products are used widely in:

  • Industrial and commercial buildings
  • Warehouses and factories
  • Residential roofing
  • Steel structure buildings
  • Pre-engineered buildings
  • Agricultural sheds and outhouses
  • Roof drainage and rainwater collection

Technical Specifications

The main technical specifications of ag classic rib roof formers include:

Coil Width Capacity800mm to 2100mm
Sheet Thickness0.35mm to 3mm
Rib Height Range15mm to 150mm
গঠন গতি8 – 25 m/min
Number of Stands16 – 24 stands
পাওয়ার সাপ্লাই380V or 415V AC, 3 Phase
Motor Power5.5kW to 11kW
Machine Dimensions8000mm x 1200mm x 2200mm
Machine Weight8000kg to 12000kg

Design and Construction

The ag classic rib roof forming machine has an all-steel fabricated construction and is designed for heavy-duty performance:

  • ফ্রেম – Made from welded steel plates and beams providing rigidity
  • Roll housings – Fabricated from thick steel plates for stability under loads
  • Rolls – Hardened steel with ground and polished forming surfaces
  • Bearings – Heavy-duty roller bearings in cast iron housings
  • Transmission – Hardened and ground gears and sprockets with chains
  • ** Guards** – Steel sheet metal guards for safety protections
  • PLC Control – Controls all electric motors, sensors, operations and HMIs

The structural design ensures minimal vibrations, precision forming and long service life.

Roll Tooling Design Standards

The roll dies and tooling for the ag classic rib roof former are designed as per international standards:

  • Rib profile shape as per AISI, AS/NZS standards
  • Roll materials follow DIN EN10263 steel grades
  • Hardness levels between 50-60 HRC
  • Surface roughness of Ra 0.4μm to 0.8μm
  • Roll concentricity within 0.005mm
  • ISO 2768 tolerance grades for rib dimensions
  • RoHS compliance for eco-friendliness

Precision roll tooling is essential for producing high-quality ribbed roofing sheets efficiently.

Manufacturing Capabilities

The ag classic rib roof forming machine can manufacture roofing sheets and panels to meet industry requirements:

Sheet Width

  • Narrow width up to 800mm
  • Standard width up to 1250mm
  • Wide width up to 2100mm

Sheet Thickness

  • Light gauge 0.35mm to 0.8mm
  • Regular gauge 0.8mm to 2.0mm
  • Heavy gauge over 2.0mm

Rib Dimensions

  • Height from 15mm to 150mm
  • Pitch/spacing from 180mm to 350mm

Hole Punching

  • Holes diameter up to 20mm
  • Hole spacing/pitch up to 300mm
  • Round, slotted, elongated holes

Advanced Features

  • Quick roll changing
  • Edge curling device
  • Automatic stacker
  • Profile counting
  • Entry tables and exit conveyors

Suppliers and Pricing

Some leading manufacturers and suppliers of ag classic rib roof forming machines include:

SupplierLocationPrice Range
Ag MachineryChina$10000 – $50000
RoofRoll Techভারত$15000 – $80000
Railelectric CorpEurope$18000 – $100000
Jindezhen MachineryChina$12000 – $60000
Hansoo EngineeringSouth Korea$20000 – $90000
  • Entry-level – $15000 to $30000
  • Mid-range – $40000 to $60000
  • Heavy-duty – $80000 to $150000

Pricing varies based on speed, width, automation levels, and optional accessories.

Installation and Commissioning

Installing an ag classic rib roof forming machine involves:

  • Positioning on a flat leveled floor
  • Leaving minimum 1000mm space around for access
  • Leveling within 0.5mm tolerance using shims
  • Securing foundation bolts to the floor
  • Aligning machine sections and drives
  • Checking power supply connections
  • Filling lubricants in gears and bearings
  • Testing running empty and with sheets
  • Setting machine parameters and limits
  • Testing safety functions
  • Debugging and optimizing operations

Vendors provide installation guidance documentation and certified technicians to support the roll forming machine installation.

ag classic rib roof roll forming machine
Ag Classic Rib Roof Roll Forming Machine 5

Operation and Working

Operating the ag classic rib roof forming machine involves:


  • Power supply availability
  • Lubrication levels
  • Hydraulic oil level
  • Emergency stop check
  • Rolls condition and clearance
  • Feeder ready


  • Switch ON control power
  • Start hydraulic pumps
  • Jog feeder and rolls slowly to check
  • Set speed and parameters
  • Thread the sheet through the rolls
  • Activate edge guidance system
  • Increase speed progressively to production


  • Monitor roll current and hydraulics pressure
  • Check formed sheets quality continuously
  • Watch for any abnormal noise or vibration
  • Ensure steady sheet flow without jamming
  • Regulate parameters to control profile dimensions
  • Count produced sheets
  • Stack sheets properly at exit conveyor


  • Reduce speed gradually to zero
  • Retract feeder to last formed sheet position
  • Switch off hydraulic pumps
  • Switch off control power
  • Properly collect and stack remaining sheets

Maintenance and Inspection

To sustain performance, the ag classic rib roof forming machine needs regular maintenance:


  • Clean machine surfaces and remove sheet debris
  • Check hydraulics, lubricants, oil levels
  • Check for abnormal temperature or noise
  • Check all fasteners and bolts are tight
  • Check roll edge clearances


  • Clean and inspect all bearings and gears
  • Grease bearings and lubricate drives
  • Verify alignments, backlash, tolerances
  • Check wear on guiders and roll surfaces


  • Test emergency stop and safety functions
  • Check electrical connections and panel
  • Verify hydraulic hoses and cylinders
  • Change hydraulic oil and filter


  • Complete inspection of components
  • Flush coolant and lubrication systems
  • Replace worn parts like belts, chains
  • Coat machine surfaces for corrosion protection

Keeping logbooks and maintenance schedules is beneficial for proper upkeep.

How to Select the Rib Roof Forming Machine

Selection of the ideal ag classic rib roof forming machine depends on:

1. Production Requirements

  • Roofing sheet dimensions
  • Rib profile and height
  • Metal thickness and grade
  • Output speed and volume

2. Machine Specifications

  • Sheet width capacity
  • Thickness range
  • Number of corrugation stations
  • Speed and power

3. Automation Level

  • Manual, semi-auto, or fully auto
  • Type of control system
  • Handling and stacking needs

4. Quality Standards

  • Roll tooling design standards
  • Precision and repeatability
  • Vibration control features
  • Sheet guiding method

5. Supplier Credentials

  • Experience and past installations
  • Local presence for support
  • Compliance to safety standards
  • Roll tooling design expertise
  • Training services offered

Selecting the right ag classic rib roof forming machine model ensures the roofing production requirements are fulfilled reliably and efficiently.

Comparison Between Machine Models

Here is a comparison between two ag classic rib roof forming machine models:

পরামিতিModel RRF-16Model RRF-20
Sheet Width1000mm1500mm
Sheet Thickness0.5-1.6mm0.4-2.0mm
Rib Height25-120mm20-150mm
ControlSemi-autoFully-auto PLC
Roll ChangeManualPowered

The RRF-20 is wider, more automated, faster and can handle heavier sheets compared to RRF-16. But the RRF-16 is adequate for small to medium production needs and is lower cost.

Pros and Cons


  • High production efficiency and output
  • Flexible to produce different rib profiles
  • Durable and robust construction
  • Advanced safety protections
  • Lower operating costs than alternate methods
  • Consistent quality and close tolerances


  • High initial investment cost
  • Regular maintenance required
  • Roll changing needs downtime
  • Limited sheet metal strength and ductility
  • Need skilled labor for operation and maintenance
  • Fixed setup restricts profile changes
ag classic rib roof roll forming machine
Ag Classic Rib Roof Roll Forming Machine 6


Q: What sheet metal can be formed on these machines?

A: Commonly Mild steel, galvanized steel, aluminum, stainless steel within ductility limits.

Q: What rib profiles can be produced?

A: Trapezoidal, sinusoidal, curved, angular profiles of different heights and spacing.

Q: What are the key maintenance aspects?

A: Lubricating rolls and drives, inspecting tooling wears, checking alignments and clearances, testing safety systems.

Q: What sheet guiding methods are used?

A: Roller side guiders, inner expandable guiders, edge pressing rolls, steering rolls.

Q: What automation levels are available?

A: Manual handling, semi-auto with power features, and fully automated with stacking.

Q: How quick is the roll changing process?

A: 10-20 minutes for manual changing. Less than 5 minutes for automatic powered roll changing.

Q: What secondary operations can be integrated?

A: Cutting, hole punching, notching, length cutoff, edge hemming and molding.

Q: What factors affect the price?

A: Width, speed, automation level, power specs, added accessories like auto stacker.


The ag classic rib roof roll forming machine provides efficient on-site production of quality ribbed roofing sheets. With a range of models, widths, automation levels, speeds, and capabilities – these roll formers meet requirements for small workshops to large industrial roofing manufacturers. By selecting the appropriate machine specifications based on the roofing profiles, metal properties, quality needs and production volumes – manufacturers can benefit from fast setup, lower operation costs, and flexible manufacturing. With regular maintenance and skilled operation, the ag classic rib roof forming machines perform reliably for years of roofing production.

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