Adjustable Purlin Roll Forming Machine Data Sheet | Technical Specifications
Adjustable Purlin Roll Forming Machine Technical Data Sheet
Machine Overview
Parameter Specification
Machine Name Adjustable Purlin Roll Forming Machine
Profile Produced C Purlin / Z Purlin Adjustable Size Profiles
Machine Type Fully adjustable roll forming machine
Production Application Steel building structures, roof purlins, wall framing
Manufacturing Process Continuous cold roll forming
Production Environment Factory production line / structural steel fabrication facility
The adjustable purlin roll forming machine is designed to produce multiple sizes of C or Z purlins on a single machine line. The machine allows rapid size changes through manual or motorized roll adjustments.
Adjustable purlin machines are widely used by steel building manufacturers because they allow flexible production without changing complete roll tooling sets.
Production Specifications
Specification Typical Value
Production Speed 10–25 m/min
Forming Stations 16–24 stations
Material Thickness Range 1.5–4.0 mm
Coil Width 150–600 mm
Coil Weight Capacity 5–10 tons
Cut Length Tolerance ±1 mm
Minimum Purlin Length 1000 mm
Maximum Purlin Length Unlimited
Adjustable machines provide flexibility for producing a wide range of structural purlin sizes.
Material Compatibility
Material Type Supported
Galvanized Steel Yes
Hot Rolled Steel Yes
Black Steel Yes
High Strength Structural Steel Yes
Pre-painted Steel Limited
Most purlins are produced from galvanized structural steel coils.
Material Strength
Property Typical Range
Yield Strength G350 – G550
Tensile Strength Up to 550 MPa
Coating Types Galvanized Z275 / Z450
High strength steels provide excellent structural load capacity.
Machine Frame Construction
Component Specification
Frame Type Heavy duty welded structural steel frame
Frame Plate Thickness 20–30 mm
Machine Base Reinforced fabricated steel base
Frame Alignment Precision machined mounting surfaces
Machine Weight 15–25 tons
The rigid machine frame ensures stable forming when producing structural steel profiles.
Roll Tooling Specifications
Specification Typical Value
Roller Material GCr15 bearing steel
Heat Treatment HRC 58–62
Roller Diameter 80–120 mm
Shaft Diameter 80–100 mm
Shaft Material 40Cr alloy steel
Surface Finish Hard chrome plating
Roll Pass Design Adjustable purlin forming system
Forming Stages 16–24 stations
Adjustable roll tooling allows different profile heights and flange widths to be produced without replacing the roll set.
Drive System
Component Specification
Drive Type Gearbox drive system
Main Motor 15–30 kW
Drive Ratio 1:20
Transmission Heavy duty industrial gearbox
Lubrication Oil bath gearbox
The drive system provides sufficient torque to form medium to heavy gauge steel.
Hydraulic Cutting System
Component Specification
Cutting Type Hydraulic post cut or flying cut
Blade Material Cr12 tool steel
Cutting Accuracy ±1 mm
Hydraulic Pressure 12–20 MPa
Hydraulic Motor 5.5–11 kW
Hydraulic cutting systems ensure precise purlin lengths.
Control System
Component Specification
PLC Siemens / Mitsubishi / Delta
HMI Industrial touch screen interface
Length Measurement Rotary encoder system
Control Accuracy ±1 mm
Automation Fully automatic production
Control functions include:
Automatic purlin length control
Batch production programming
Automatic size adjustment
Punching and hole pattern control
Fault diagnostics and emergency stop
Electrical Specifications
Parameter Value
Voltage 380V / 415V / 480V
Frequency 50 Hz / 60 Hz
Control Voltage 24V
Electrical Cabinet IP54 industrial enclosure
Protection Overload protection and circuit breakers
Machine Layout Dimensions
Parameter Value
Machine Length 12–18 m
Machine Width 2–2.5 m
Machine Height 1.8–2.5 m
Total Production Line Length 20–35 m
Typical production line configuration:
Uncoiler → Leveling System → Punching Unit → Adjustable Roll Forming Machine → Hydraulic Cutting → Run-out Table
Coil Handling Equipment
Specification Value
Uncoiler Type Hydraulic decoiler
Coil Capacity 5–10 tons
Coil Inner Diameter 450–550 mm
Coil Outer Diameter Up to 1500 mm
Expansion Type Hydraulic expansion system
Optional Equipment
Equipment Description
Punching System Automatic hole punching unit
Automatic Stacker Automated purlin stacking system
Coil Car Automatic coil loading system
Motorized Adjustment System for automatic profile size change
Remote PLC Monitoring Remote diagnostics and monitoring
Installation Requirements
Requirement Typical
Foundation Reinforced concrete foundation
Floor Load Capacity 12–20 tons
Electrical Connection Three phase industrial power supply
Air Supply Optional for punching system
Installation Time 3–5 days
Maintenance Requirements
Component Maintenance Interval
Gearbox Oil Every 6 months
Bearings Every 6 months
Hydraulic Oil Every 12 months
Roll Tooling Inspection Monthly
Routine maintenance ensures reliable production and long tooling life.
Production Capacity Example
Production Speed Output
10 m/min 600 m/hour
15 m/min 900 m/hour
20 m/min 1200 m/hour
Production output depends on profile size and punching operations.
Adjustable Purlin Profile Information
Specification Value
Profile Height 100–300 mm
Flange Width 50–80 mm
Lip Size 15–25 mm
Material Thickness 1.5–4.0 mm
Adjustable purlin machines allow manufacturers to produce multiple profile sizes with a single machine.
Machine Standards
Standard Description
CE Certification European machinery safety standards
ISO 9001 Manufacturing quality management
Electrical Compliance Industrial electrical safety standards
Shipping Information
Specification Value
Container Size 40 ft container
Shipping Weight 18–28 tons
Packaging Industrial export packing
Typical Machine Price Range
Machine Type Price Range
Basic Line $120,000 – $160,000
Automatic Adjustable Line $160,000 – $220,000
Fully Automatic Structural Line $230,000+
Pricing depends on size adjustment automation, punching systems, and production capacity.
Applications
Industry Use
Steel Buildings Roof support purlins
Industrial Construction Wall framing systems
Warehouses Structural roof members
Agricultural Buildings Roof framing systems
Adjustable purlin roll forming machines are widely used in steel construction because they provide flexible production of multiple purlin sizes using a single roll forming line.