C and Z Interchangeable Purlin Roll Forming Machine Data Sheet | Technical Specs
C and Z Interchangeable Purlin Roll Forming Machine Technical Data Sheet
Machine Overview
Parameter Specification
Machine Name C and Z Interchangeable Purlin Roll Forming Machine
Profile Produced C Purlin and Z Purlin Structural Profiles
Machine Type Interchangeable C/Z 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 C and Z interchangeable purlin roll forming machine is designed to produce both C-shaped and Z-shaped structural purlins using a single machine line. The machine can switch between C and Z profiles through roll tooling adjustments or automated roll positioning systems.
These machines are widely used by steel building manufacturers and structural steel fabricators because they allow production flexibility while reducing equipment costs.
Production Specifications
Specification Typical Value
Production Speed 10–25 m/min
Forming Stations 16–22 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
Structural purlin roll forming machines are designed to process thicker steel materials compared to roofing panel machines.
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 produced from high strength galvanized steel.
Material Strength
Property Typical Range
Yield Strength G350 – G550
Tensile Strength Up to 550 MPa
Coating Types Galvanized Z275 / Z450
High strength steel ensures excellent load-bearing performance in structural framing systems.
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 15–25 tons
A reinforced machine frame ensures stability and precision when forming 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 C and Z purlin forming system
Forming Stages 16–22 stations
Interchangeable tooling or adjustable roll positioning allows the machine to switch between C and Z purlin profiles.
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 heavy structural steel sections.
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 provide accurate cutting of structural purlin 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 pattern control
Profile switching control (C/Z selection)
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 → 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
Automatic Profile Adjustment Motorized roll adjustment for size change
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
Regular maintenance ensures reliable machine operation and accurate structural profile production.
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 capacity depends on profile size, material thickness, and punching operations.
C and Z Purlin Profile Information
Specification Value
Profile Height 100–300 mm
Flange Width 50–80 mm
Lip Size 15–25 mm
Material Thickness 1.5–3.5 mm
C and Z purlins are structural steel members used in steel building roof systems and wall framing structures.
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 Line $160,000 – $220,000
Fully Automatic Structural Line $230,000+
Pricing depends on punching systems, automation level, and size adjustment capabilities.
Applications
Industry Use
Steel Buildings Roof purlins and wall supports
Industrial Buildings Structural framing systems
Warehouses Roof support members
Agricultural Buildings Structural steel roof systems
C and Z interchangeable purlin machines are widely used by steel building manufacturers because they provide flexible production capability for both structural purlin types using a single roll forming line.