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Crash Barrier Roll Forming Machine

A crash barrier roll forming machine is a specialized production line for manufacturing W-shaped (and sometimes M-shaped) guardrails with 2-wave or 3-wave (thrie beam) profiles, commonly installed on both sides of highways and expressways.

Crash barriers, also known as guardrails or highway safety barriers, are widely used along roads, highways, and bridges to improve traffic safety by preventing vehicles from colliding with hazardous obstacles or veering off the road.

Our crash barrier roll forming machine is designed to produce guardrail profiles with high dimensional accuracy and consistent quality. During operation, a coil of steel or other metal material is continuously fed into the machine, passing through a precisely arranged set of rollers. These rollers gradually bend and shape the material into the required crash barrier profile, with options for cutting to the desired length.
crash barrier roll forming machine

Regular Components of Crash Barrier Machines

8T/10T Hydraulic Decoiler
Hydraulic decoiler with coil car
Feeding Guide & Leveler
Feed materials to the leveling unit before roll forming
Hydraulic Punching Unit
For punching holes or slots
Roll Forming Unit
Roll form to required shapes
Hydraulic Cutting
Automatic cutoff as per required lengths and quantities
Control System
PLC Control with Inverter and encoder
All our features are customizable to customers
HIGH-PRECISION AND AUTOMATION

Optimize your workforce by upgrading your Crash Barriers Production Equipment

M-shaped Guardrail Roll Forming Machine

Highlights: PLC Control, Heavy-duty, Full Automation

An M-shaped roadside guardrail ( similar to a Sigma profile) roll forming machine is specially designed to produce small to medium-profile safety barriers. Unlike the conventional 2-wave or 3-wave highway crash barriers, M-shaped guardrails are commonly used in urban roads, industrial zones, parking facilities, and rural roads, where lighter protection and easier installation are required. With a compact yet heavy-duty structure, it ensures stable production of guardrails with consistent dimensions. M-shaped guardrails provide effective roadside safety while being cost-efficient and suitable for projects that do not require heavy-duty highway barriers.
Q1: What types of crash barriers can this machine produce?

A: The crash barrier roll former can produce common 2-wave (W-Beam) guardrails, 3-wave (Thrie-Beam) guardrails, and M-shaped guardrails. Some models support interchangeable production of 2-wave and 3-wave profiles.

Q3. What is the production speed of the 2 wave crash barrier roll forming machine?

A: Production speed varies depending on the configuration and material thickness. Normally, it runs at 0–15 meters per minute. With a flying shear or hydraulic cutoff system, cutting can be done without stopping the line.

Q5: What control system does the machine use?

A: The system is equipped with a PLC and touch-screen interface, with encoder feedback for length measurement. It supports automatic feeding, length setting, and hydraulic cutting. Advanced options may include remote monitoring and fault diagnosis.

Q7: What is the warranty period and after-sales support?

A: Normally, the machine comes with a 2-year warranty (subject to contract terms). During this period, faulty parts caused by non-human damage are repaired or replaced free of charge. Spare parts and technical support are available beyond the warranty period.

Q2: What material and thickness range can the machine process?

A: It is suitable for galvanized steel, cold-rolled steel, hot-rolled steel, and anti-skid steel sheets. The typical thickness range for an expressway guardrail roll forming machine range is 2.0 mm to 3.2 mm, with heavy-duty versions supporting thicker materials.

Q4: How can I switch between 2-wave and 3-wave profiles?

A: For machines designed for dual profiles, you only need to adjust or replace part of the roller set. It does not require replacing the entire line, and switching can usually be completed within minutes.

Q6: Do you provide installation and training services?

A: Yes, we provide global installation and commissioning. Our engineers can travel to your factory to set up the machine and train your operators. Remote guidance, video tutorials, and manuals are also available.

Q8: How long is the lifespan of a purlin roll forming machine?

A: With a heavy-duty frame, precision-machined rollers, and gearbox transmission, the expected lifespan of the w beam highway guardrail roll forming machines and 3 wave highway guardrail roll forming machine is 15–20 years with proper maintenance, making them a reliable investment for long-term production.

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    CRASH BARRIER ROLL FORMING MACHINES was last modified: November 25th, 2025 by MAXON®
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