Guardrail Spacer Roll Forming Machine Data Sheet | Technical Specifications
Guardrail Spacer Roll Forming Machine Technical Data Sheet
Machine Overview
Parameter Specification
Machine Name Guardrail Spacer Roll Forming Machine
Profile Produced Guardrail spacer block / spacer channel profiles
Machine Type Single profile roll forming machine
Production Application Highway guardrail spacer blocks, roadside barrier support systems
Manufacturing Process Continuous cold roll forming with optional punching
Production Environment Infrastructure steel manufacturing facility / road safety equipment factory
The guardrail spacer roll forming machine produces steel spacer blocks used between guardrail beams and support posts. These spacers help maintain the correct distance between the guardrail and post, improving crash energy absorption and barrier performance.
Guardrail spacers are commonly used in highway safety barrier systems worldwide.
Production Specifications
Specification Typical Value
Production Speed 10–20 m/min
Forming Stations 12–18 stations
Material Thickness Range 2.0–4.0 mm
Coil Width 120–300 mm
Coil Weight Capacity 3–6 tons
Cut Length Tolerance ±1 mm
Minimum Spacer Length 250 mm
Maximum Spacer Length 600 mm
Spacer profiles are typically produced in shorter lengths compared to guardrail beams.
Material Compatibility
Material Type Supported
Hot Rolled Steel Yes
Galvanized Steel Yes
High Strength Steel Yes
Weathering Steel Optional
Stainless Steel Limited
Galvanized steel is typically used to ensure corrosion resistance.
Material Strength
Property Typical Range
Yield Strength G350 – G550
Tensile Strength Up to 600 MPa
Coating Types Hot dip galvanized
Galvanized coatings protect spacer components from corrosion in outdoor environments.
Machine Frame Construction
Component Specification
Frame Type Heavy duty welded structural steel frame
Frame Plate Thickness 18–25 mm
Machine Base Reinforced fabricated steel base
Frame Alignment Precision machined mounting surfaces
Machine Weight 10–16 tons
A rigid machine frame ensures accurate spacer profile forming.
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 Spacer channel forming system
Forming Stages 12–18 stations
Roll tooling gradually forms steel strip into guardrail spacer profiles.
Drive System
Component Specification
Drive Type Chain drive / gearbox drive
Main Motor 11–18.5 kW
Drive Ratio 1:20
Transmission Industrial gearbox or chain drive
Lubrication Oil bath gearbox
Drive systems ensure stable forming performance.
Hydraulic Cutting System
Component Specification
Cutting Type Hydraulic flying cut or post cut
Blade Material Cr12 tool steel
Cutting Accuracy ±1 mm
Hydraulic Pressure 10–16 MPa
Hydraulic Motor 4–5.5 kW
Hydraulic cutting systems cut spacer sections to precise lengths.
Punching System
Component Specification
Punch Type Hydraulic punching system
Application Bolt holes and mounting slots
Punch Capacity 30–60 tons
Punching Speed Synchronized with forming line
Punching systems produce holes used to mount spacer blocks to guardrail posts.
Control System
Component Specification
PLC Siemens / Mitsubishi / Delta
HMI Touch screen control interface
Length Measurement Rotary encoder measurement system
Control Accuracy ±1 mm
Automation Fully automatic production line
Control 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 10–16 m
Machine Width 1.8–2.5 m
Machine Height 1.6–2.2 m
Total Production Line Length 18–25 m
Typical production line configuration:
Uncoiler → Leveling System → Roll Forming Machine → Hydraulic Cutting → Run-out Table
Coil Handling Equipment
Specification Value
Uncoiler Type Hydraulic decoiler
Coil Capacity 3–6 tons
Coil Inner Diameter 450–550 mm
Coil Outer Diameter Up to 1400 mm
Expansion Type Hydraulic expansion system
Optional Equipment
Equipment Description
Automatic Stacker Spacer stacking system
Servo Feeder Precision feeding system
Coil Car Automatic coil loading system
Punching Unit Mounting hole punching system
Remote PLC Monitoring Remote diagnostics and monitoring
Optional automation improves production efficiency.
Installation Requirements
Requirement Typical
Foundation Reinforced concrete foundation
Floor Load Capacity 10–16 tons
Electrical Connection Three phase industrial power supply
Air Supply Optional
Installation Time 2–3 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 spacer 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 output depends on spacer length and material thickness.
Spacer Profile Information
Specification Value
Profile Type Guardrail spacer block / spacer channel
Typical Width 150–300 mm
Material Thickness 2.0–4.0 mm
Typical Length 250–600 mm
Spacer blocks maintain the correct spacing between guardrails and support posts, improving barrier performance during vehicle impact.
Machine Standards
Standard Description
CE Certification European machinery safety standards
ISO 9001 Manufacturing quality management
Road Safety Standards AASHTO / EN highway safety standards
Guardrail spacer machines are designed to produce profiles compliant with road safety infrastructure standards.
Shipping Information
Specification Value
Container Size 40 ft container
Shipping Weight 12–18 tons
Packaging Industrial export packing
Typical Machine Price Range
Machine Type Price Range
Basic Line $80,000 – $120,000
Automatic Punching Line $120,000 – $180,000
High Speed Automated Line $200,000+
Pricing depends on punching systems, automation level, and production capacity.
Applications
Industry Use
Road Construction Highway guardrail spacer systems
Infrastructure Projects Bridge barrier spacer supports
Government Road Projects Traffic safety barrier systems
Transportation Infrastructure Roadside crash protection installations
Guardrail spacer roll forming machines are widely used by infrastructure steel manufacturers producing spacer components used in highway guardrail systems to improve barrier safety performance.