Thrie Beam Guardrail Roll Forming Machine Data Sheet | Technical Specifications
Thrie Beam Guardrail Roll Forming Machine Technical Data Sheet
Machine Overview
Parameter Specification
Machine Name Thrie Beam Guardrail Roll Forming Machine
Profile Produced Thrie beam highway guardrail profile
Machine Type Single profile / dual profile guardrail roll forming machine
Production Application Highway safety barriers, bridge guardrails, heavy duty crash protection systems
Manufacturing Process Continuous cold roll forming with inline punching
Production Environment Infrastructure steel manufacturing facility / heavy industrial production line
The thrie beam guardrail roll forming machine produces heavy duty highway safety barrier profiles used in high impact protection areas such as bridges, highways, and elevated road sections.
Thrie beam guardrails are stronger than W beam guardrails and provide increased impact resistance and vehicle containment.
Production Specifications
Specification Typical Value
Production Speed 8–16 m/min
Forming Stations 18–24 stations
Material Thickness Range 3.0–4.5 mm
Coil Width 600–850 mm
Coil Weight Capacity 8–15 tons
Cut Length Tolerance ±2 mm
Minimum Rail Length 2000 mm
Maximum Rail Length 4320 mm (standard guardrail section)
Thrie beam guardrails require forming of heavier steel compared to W beam guardrails.
Material Compatibility
Material Type Supported
Hot Rolled Steel Yes
Galvanized Steel Yes
High Strength Steel Yes
Weathering Steel Optional
Stainless Steel Limited
Guardrails are normally produced from hot dip galvanized steel for corrosion resistance.
Material Strength
Property Typical Range
Yield Strength G350 – G550
Tensile Strength Up to 600 MPa
Coating Types Hot dip galvanized
These materials provide the required strength for road safety barriers.
Machine Frame Construction
Component Specification
Frame Type Heavy duty welded structural steel frame
Frame Plate Thickness 25–35 mm
Machine Base Reinforced industrial steel base
Frame Alignment Precision machined mounting surfaces
Machine Weight 22–36 tons
Heavy structural frames ensure stable forming of thick structural steel.
Roll Tooling Specifications
Specification Typical Value
Roller Material GCr15 bearing steel
Heat Treatment HRC 58–62
Roller Diameter 130–170 mm
Shaft Diameter 110–140 mm
Shaft Material 40Cr alloy steel
Surface Finish Hard chrome plating
Roll Pass Design Thrie beam guardrail forming system
Forming Stages 18–24 stations
Roll tooling gradually forms flat steel strip into the thrie beam guardrail profile.
Drive System
Component Specification
Drive Type Gearbox drive system
Main Motor 30–55 kW
Drive Ratio 1:20
Transmission Heavy duty industrial gearbox
Lubrication Oil bath gearbox
High torque drive systems allow forming of heavy gauge structural steel.
Hydraulic Cutting System
Component Specification
Cutting Type Hydraulic flying cut
Blade Material Cr12 tool steel
Cutting Accuracy ±2 mm
Hydraulic Pressure 16–22 MPa
Hydraulic Motor 7.5–11 kW
Hydraulic cutting ensures accurate guardrail section lengths.
Punching System
Component Specification
Punch Type Hydraulic punching system
Application Mounting holes and connection slots
Punch Capacity 80–120 tons
Punching Speed Synchronized with forming line
Punching systems produce bolt holes required for guardrail installation.
Control System
Component Specification
PLC Siemens / Mitsubishi / Delta
HMI Touch screen control interface
Length Measurement Rotary encoder measurement system
Control Accuracy ±2 mm
Automation Fully automatic production line
Control system functions include:
Automatic length control
Punching position control
Batch production programming
Production monitoring
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 22–30 m
Machine Width 2.5–3.5 m
Machine Height 2–2.5 m
Total Production Line Length 35–50 m
Typical line configuration:
Uncoiler → Leveling System → Punching System → Roll Forming Machine → Hydraulic Cutting → Run-out Table
Coil Handling Equipment
Specification Value
Uncoiler Type Hydraulic decoiler
Coil Capacity 8–15 tons
Coil Inner Diameter 450–550 mm
Coil Outer Diameter Up to 1600 mm
Expansion Type Hydraulic expansion system
Heavy duty coil handling systems are required for thick steel coils.
Optional Equipment
Equipment Description
Automatic Stacker Guardrail stacking system
Servo Feeder Precision feeding system
Coil Car Automatic coil loading system
Dual Profile System W beam and thrie beam production
Remote PLC Monitoring Remote diagnostics and monitoring
Optional automation improves efficiency and production speed.
Installation Requirements
Requirement Typical
Foundation Heavy reinforced concrete foundation
Floor Load Capacity 22–36 tons
Electrical Connection Three phase industrial power supply
Air Supply Optional
Installation Time 3–5 days
Maintenance Requirements
Component Maintenance Interval
Gearbox Oil 6 months
Bearings 6 months
Hydraulic Oil 12 months
Punch Tool Inspection Monthly
Roll Tooling Inspection Monthly
Routine maintenance ensures reliable guardrail production.
Production Capacity Example
Production Speed Output
8 m/min 480 m/hour
12 m/min 720 m/hour
16 m/min 960 m/hour
Production capacity depends on guardrail thickness and length.
Guardrail Profile Information
Specification Value
Profile Type Thrie beam highway guardrail
Profile Height 85 mm
Effective Width 500 mm
Material Thickness 3.0–4.5 mm
Standard Length 4320 mm
Thrie beam guardrails provide stronger vehicle containment compared to W beam guardrails.
Machine Standards
Standard Description
CE Certification European machinery safety standards
ISO 9001 Manufacturing quality management
Road Safety Standards AASHTO / EN highway safety standards
Guardrail machines are designed to produce profiles compliant with road safety regulations.
Shipping Information
Specification Value
Container Size 40 ft containers (multiple containers)
Shipping Weight 24–38 tons
Packaging Industrial export packing
Typical Machine Price Range
Machine Type Price Range
Basic Line $220,000 – $300,000
Automatic Punching Line $300,000 – $420,000
High Speed Automated Line $450,000+
Pricing depends on automation level, punching systems, and production capacity.
Applications
Industry Use
Road Construction Highway safety barriers
Bridge Infrastructure Bridge guardrail protection
Government Road Projects Traffic safety systems
Transportation Infrastructure Roadside crash protection systems
Thrie beam guardrail roll forming machines are widely used by infrastructure steel manufacturers producing heavy duty highway safety barriers installed on bridges, highways, and high-risk road sections where increased impact protection is required.