Z Purlin Roll Forming Machine Data Sheet | Technical Specifications
Z Purlin Roll Forming Machine Technical Data Sheet
Machine Overview
Parameter Specification
Machine Name Z Purlin Roll Forming Machine
Profile Produced Z Purlin Structural Steel Profile
Machine Type Single profile or adjustable size roll forming machine
Production Application Steel building structures, roof support systems, wall framing
Manufacturing Process Continuous cold roll forming
Production Environment Factory production line / structural steel manufacturing facility
The Z purlin roll forming machine produces structural Z-shaped steel sections used in steel building construction. Z purlins are widely used as roof and wall support members in large span buildings.
Unlike C purlins, Z purlins can overlap at joints, improving structural performance and load distribution in long-span roof systems.
Production Specifications
Specification Typical Value
Production Speed 10–25 m/min
Forming Stations 14–22 stations
Material Thickness Range 1.5–3.5 mm
Coil Width 150–500 mm
Coil Weight Capacity 5–10 tons
Cut Length Tolerance ±1 mm
Minimum Purlin Length 1000 mm
Maximum Purlin Length Unlimited
Z purlin machines are designed to process thicker structural steel materials.
Material Compatibility
Material Type Supported
Galvanized Steel Yes
Hot Rolled Steel Yes
Black Steel Yes
Pre-painted Steel Limited
Stainless Steel Optional
Structural purlins are typically manufactured from high strength galvanized steel coils.
Material Strength
Property Typical Range
Yield Strength G350 – G550
Tensile Strength Up to 550 MPa
Coating Types Galvanized Z275 / Z450
High strength steel improves the structural capacity of the purlins.
Machine Frame Construction
Component Specification
Frame Type Heavy duty welded structural steel frame
Frame Plate Thickness 20–30 mm
Machine Base Heavy fabricated steel base frame
Frame Alignment Precision machined mounting surfaces
Machine Weight 14–24 tons
Structural machines require reinforced frames to process thicker steel materials.
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 Structural Z purlin forming
Forming Stages 14–22 stations
Roll tooling progressively forms the web and offset flanges required for the Z profile geometry.
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 structural steel profiles.
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 accurate cutting of structural steel sections.
Control System
Component Specification
PLC Siemens / Delta / Mitsubishi
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
Punching and hole pattern control
Fault diagnostics
Emergency stop system
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 10–15 m
Machine Width 1.8–2.5 m
Machine Height 1.8–2.5 m
Total Production Line Length 18–30 m
Typical production line configuration:
Uncoiler → Leveling System → Punching Unit → 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
Servo Feeder Precision feeding for punching operations
Remote PLC Monitoring Remote diagnostics and monitoring
Installation Requirements
Requirement Typical
Foundation Reinforced concrete foundation
Floor Load Capacity 10–20 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 machine operation and consistent purlin quality.
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 purlin size and punching requirements.
Z Purlin Profile Information
Specification Value
Profile Height 120–300 mm
Flange Width 50–80 mm
Lip Size 15–25 mm
Material Thickness 1.5–3.5 mm
Z purlins are structural steel components used to support roofing systems and wall cladding in steel buildings.
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 16–26 tons
Packaging Industrial export packing
Typical Machine Price Range
Machine Type Price Range
Basic Line $85,000 – $125,000
Automatic Line $125,000 – $190,000
Fully Automatic Structural Line $200,000+
Pricing depends on punching automation, profile size adjustment, and production speed.
Applications
Industry Use
Steel Buildings Roof support structures
Industrial Buildings Wall support framing
Warehouses Structural roof purlins
Agricultural Buildings Roof framing systems
Z purlins are widely used in steel building construction because they allow overlapping joints and provide improved structural performance for large-span roofing systems.