SHANGHAI BELIEVE INDUSTRY CO., LTD
SHANGHAI BELIEVE INDUSTRY CO., LTD
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W profile & Thrie-beam Highway Guardrail Change Over Roll Forming Machine
Highway guardrails are cold roll formed steel products used as the protective barrier for both roads and expressways. There are mainly 2 types of guardrails: W profile/2 wave guardrail and thrie-beam/3 wave guardrail. Due to the different standards of each country. there are some difference between the guardrail designs. Believe Industry Company offer custom-tailored machines based on users' detailed requirements.
This W profile & Thrie-beam higway guardrail machine can produce 2 types of highway guardrail panels in one machine. And it is quick to change over one profile processing to another. Main material can be rolled are hot rolled steel coils and galvanised steel coils with 1.5-3.0mm thickness.
2 Wave & 3 Wave Highway Guardrail Panel (Profiles Only For Reference)
Main Components of the Highway Guardrail Panel Machine
| No. | Machine Components | Function | Quantity |
| 1. | 8Ton Hydrauic Decoiler | Used for supporting and unwinding the coils | 1 |
| 2. | Levelling & Punching Unit | Ensure the flatness of the sheets and punch holes before roll forming | 1 |
| 3. | Roll Forming Unit | Roll form the sheet into required profiles, 2 sets of roll forming rollers | 2 |
| 4. | Cutting Unit | Cut the formed guardrails based on required length | 1 |
| 5. | Run Out Tanle | Support and collect the finished products | 2 |
| 6. | Electric Control Cabinet | PLC control system | 1 |
| 7. | Hydraulic Station | Offer power for punching and cutting | 1 |
Machine Workflow: coil unwinding --> feeding & guiding --> levelling --> punching holes --> roll forming --> cutting to length --> final products collecting
Main Machine Technical Parameters
Decoiling Unit
1. Decoiler Type: mechenical decoiler(manual decoiler); hydraulic decoiler
2. Loading Capacity: 5T, 6T, 8T
3. Max Coil Width: 600mm
4. Coil Inner Diameter: 450-530mm
5. Coil Outer Diameter: Max 1200mm
Levelling Unit & Punching Unit
This highway guardrail production line adopts integrated design of levelling unit and punching unit. The levelling unit ensures the good flatness of the sheet before punching and roll forming. The punching unit punched holes based on the profile drawing. This kind of design is an economic one, we also have high speed and high productivity design.
1. Levelling Roller: up layer 3 rollers, under layer 4 rollers
2. Material of levelling roller: 40Cr, HRC 48-52°, 80mm in diameter
3. Levelling power: 5.5kw
4. Punching type: hydraulic punching; pre-punching
5. Hydraulic power: 22kw
6. Punching mold: Cr12Mov, HRC58-62°
Main Roll Forming Unit:
There are 2 sets of roll forming units for processing both 2-wave guardrails and 3-wave guardrails. The roller stands are bolted on the steel plate, which can be lifted as a whole to change over easily.
1. Rolling steps: 17 steps (17 roller stands)
2. Shaft material: 80mm in diameter; 40Cr HB220-260
3. Roller material: GCr15, HRC58-62°
4. Power for roll forming: 22kw
5. Drive and transmission: electrically motor drive; gear box transmission
6. Roll forming speed: 0-15m/min
Hydraulic Cutting Unit
1. Cutting type: hydraulic cutting; cutting after roll forming
2. Hydraulic power: 22kw
3. Material of cutting blade: Cr12Mov, HRC58-62°
4. Cutting length tolerance: ±1.5mm
Believe Industry Company offer roll forming machine solutions for highway guardrail series:
1. 2 Wave / W Profile guardrail machine
2. 3 Wave / Thrie-beam guardrail machine
3. 2 Wave and 3 Wave guardrail change over machine
4. Highway guardrail post roll forming machine
5. Highway guardrail end panel stamping machine
For more highway guardrail machine details, please contact us!