Model RF300 Highway Two-Wave Cold Bending Forming Automatic Production Line For Guardrail Use

About Model RF300 Highway Two-Wave Cold Bending Forming Automatic Production Line For Guardrail Use

Production process:

The production line is operated according to the following process flow: Uncoiling Loop (storage) Servo leveling feeding 315T punching (cutting) + punching and strengthening press cold bending discharging

Unit configuration and purpose

Uncoiler - 1 set

Unwinding: The machine is in single-support mode. The motor drives the uncoiler shaft to release the coil, and the hydraulic power drives the tensioning device of the uncoiler shaft to fix the coil on the uncoiler shaft. The tensioning structure is wedge-type, and the working state is stable and reliable.

The uncoiler is an automatic uncoiler. When the coil is installed on the uncoiler shaft, the uncoiler shaft rotates actively during the actual operation of the whole line, and its traction power comes from the uncoiler motor. The uncoiler can automatically release the coil according to the running speed of the whole line. To ensure the actual operation safety of the uncoiler, the uncoiler is equipped with a pneumatic brake device.

The uncoiler also contains 4 baffles and a pressing arm to prevent the coil from loosening during the unwinding process and ensure the safety of the operator.

Coil inner diameter 508mm

Maximum allowable coil outer diameter 1300mm

Maximum allowable coil width500 mm

Maximum coil load weight 5000 kg

Unwinder motor power 3kw (subject to final design

Storage (silo) device - 2 sets

Purpose: Used to buffer the speed mismatch between unwinding leveling and punching machine and punching machine and roll bending forming machine, and correct deviation. It makes the whole line run smoothly and completely.

Structure: The storage device consists of two parts: arc rollers and supporting device. There are four groups of arc rollers, which are placed on both sides of two storage bins. They are composed of arc frames and a group of flexible rollers. The surface of the rollers is hard chrome plated. A photoelectric switch is installed in the pit of the discharge bin to control the position of the material roll entering the pit, so that the speed of each working part can be perfectly matched.

Servo leveler feeder - 1 set

Purpose: Feed the sheet material according to the actual step length required for punching. Multiple sets of feeding parameters can be set at one time, which is convenient and fast. The feeding accuracy is accurate without cumulative tolerance.

It adopts 5-roller leveling (2 rollers on the upper layer, 3 rollers on the lower layer, screw adjustment), 1 pair of guide rollers, pneumatic clamping of feeding rollers, frequency conversion speed regulation, and electrical switch control. The front of the leveling machine is also equipped with a telescopic shovel head and a pressing device to ensure that the raw material roll enters the leveling machine smoothly and safely.

Structure: It consists of a frame, a clamping system, and a servo drive system.

Maximum feeding speed40m/min

Maximum allowable feeding width 500mm

Allowable feeding thickness 3mm

Single feeding error 0.15mm (this tolerance is not accumulated)

Servo motor power 3Kw (subject to the final design)

The material of the feeding roller is 9Cr2Mo (or GCr15), hardness HRC55-60

Advanced Automation for Precision Guardrail Formation

The Model RF300 is equipped with a fully automatic system, powered by a PLC control with an intuitive touch screen. This automation significantly enhances production accuracy, reduces manual intervention, and allows for seamless control of forming, punching, and cutting processes. Operators benefit from streamlined setup and real-time monitoring, ensuring consistent quality in every highway guardrail segment produced.


Robust Construction and Versatile Operation

Built for durability, the RF300 utilizes high-strength 45# chromed steel rollers and supports a hydraulic decoiler capable of handling up to 10 tons. The system is designed to process steel coils with widths up to 750 mm and thicknesses between 2-4 mm, catering to a wide range of highway guardrail specifications. The chain-driven transmission and heavy-duty frame deliver reliable performance shift after shift.


Global Support and On-Site Training Available

Backed by a comprehensive warranty and overseas installation and training services, the Model RF300 ensures operators worldwide have access to technical expertise and support. This global service commitment helps customers maximize the performance and lifespan of their investment, while also facilitating a smooth start-up and providing ongoing assistance as needed.