Guardrail Post Roll Forming Machine Data Sheet | Technical Specifications
Guardrail Post Roll Forming Machine Technical Data Sheet
Machine Overview
Parameter Specification
Machine Name Guardrail Post Roll Forming Machine
Profile Produced Guardrail support post profiles (C post / U post / Sigma post)
Machine Type Single profile / adjustable post roll forming machine
Production Application Highway guardrail support posts, roadside barrier structures, road safety systems
Manufacturing Process Continuous cold roll forming with inline punching
Production Environment Infrastructure steel manufacturing facility / heavy industrial production line
The guardrail post roll forming machine produces steel support posts used to install highway guardrails. These posts anchor guardrail beams into the ground and provide structural support during vehicle impact.
Guardrail posts are widely used in highway safety barriers, bridge barriers, roadside protection systems, and road infrastructure projects.
Production Specifications
Specification Typical Value
Production Speed 8–16 m/min
Forming Stations 14–22 stations
Material Thickness Range 3.0–5.0 mm
Coil Width 150–350 mm
Coil Weight Capacity 5–10 tons
Cut Length Tolerance ±2 mm
Minimum Post Length 1200 mm
Maximum Post Length 3000 mm
Guardrail posts require forming of heavy gauge steel to ensure strong ground anchoring.
Material Compatibility
Material Type Supported
Hot Rolled Steel Yes
Galvanized Steel Yes
High Strength Structural Steel Yes
Weathering Steel Optional
Stainless Steel Limited
Guardrail posts are commonly manufactured using galvanized steel for outdoor durability.
Material Strength
Property Typical Range
Yield Strength G350 – G550
Tensile Strength Up to 600 MPa
Coating Types Hot dip galvanized
Galvanized coating protects guardrail posts from corrosion in outdoor environments.
Machine Frame Construction
Component Specification
Frame Type Heavy duty welded structural steel frame
Frame Plate Thickness 22–30 mm
Machine Base Reinforced fabricated steel base
Frame Alignment Precision machined mounting surfaces
Machine Weight 16–26 tons
Heavy duty frames ensure stable forming of thick steel post profiles.
Roll Tooling Specifications
Specification Typical Value
Roller Material GCr15 bearing steel
Heat Treatment HRC 58–62
Roller Diameter 100–140 mm
Shaft Diameter 90–120 mm
Shaft Material 40Cr alloy steel
Surface Finish Hard chrome plating
Roll Pass Design Guardrail post forming system
Forming Stages 14–22 stations
Roll tooling gradually forms flat steel strip into guardrail support post profiles.
Drive System
Component Specification
Drive Type Gearbox drive system
Main Motor 18–30 kW
Drive Ratio 1:20
Transmission Heavy duty industrial gearbox
Lubrication Oil bath gearbox
High torque drive systems are required for heavy steel forming.
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 5.5–7.5 kW
Hydraulic cutting ensures accurate guardrail post lengths.
Punching System
Component Specification
Punch Type Hydraulic punching system
Application Bolt holes and mounting slots
Punch Capacity 60–100 tons
Punching Speed Synchronized with forming line
Punching systems produce holes required for guardrail beam 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 16–22 m
Machine Width 2–3 m
Machine Height 2–2.5 m
Total Production Line Length 25–35 m
Typical production line layout:
Uncoiler → Leveling System → Punching System → 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 1600 mm
Expansion Type Hydraulic expansion system
Heavy duty coil handling equipment is required for guardrail post steel coils.
Optional Equipment
Equipment Description
Automatic Stacker Post stacking system
Servo Feeder Precision feeding system
Coil Car Automatic coil loading system
Multi Profile Tooling C post / U post / Sigma post production
Remote PLC Monitoring Remote diagnostics and monitoring
Automation systems improve efficiency and reduce manual handling.
Installation Requirements
Requirement Typical
Foundation Heavy reinforced concrete foundation
Floor Load Capacity 16–26 tons
Electrical Connection Three phase industrial power supply
Air Supply Optional
Installation Time 3–4 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 post 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 post thickness and length.
Guardrail Post Profile Information
Specification Value
Profile Type Guardrail support post (C post / U post / Sigma post)
Typical Width 100–150 mm
Material Thickness 3.0–5.0 mm
Typical Length 1500–3000 mm
Guardrail posts anchor safety barriers to the ground and provide structural support during vehicle impacts.
Machine Standards
Standard Description
CE Certification European machinery safety standards
ISO 9001 Manufacturing quality management
Road Safety Standards AASHTO / EN highway safety standards
Guardrail post machines are designed to produce profiles compliant with international road safety standards.
Shipping Information
Specification Value
Container Size 40 ft containers (multiple containers)
Shipping Weight 18–28 tons
Packaging Industrial export packing
Typical Machine Price Range
Machine Type Price Range
Basic Line $120,000 – $180,000
Automatic Punching Line $180,000 – $260,000
High Speed Automated Line $300,000+
Pricing depends on punching systems, automation level, and production capacity.
Applications
Industry Use
Road Construction Highway guardrail support posts
Infrastructure Projects Bridge barrier supports
Government Road Projects Traffic safety installations
Transportation Infrastructure Roadside barrier systems
Guardrail post roll forming machines are widely used by infrastructure steel manufacturers producing structural posts used to support highway guardrails and road safety barrier systems.