Two waves and three waves highway guardrail roll forming machine Description

We are the professional manufacturer of making the guardrail roll forming machine in China. We export this kind of machine to a lot of countries, this can of machine can make two waves or three waves profiles according to your demands, for this kind of line, we can give you different solutions on the basis of different requirement.

For this kind of guardrail, the normal thickness of the material is 3.0mm, some are 3.5mm. The mean application is separation, blocking, warning function, etc. The configuration of two waves and three waves machine is different from the two waves machine, please contact me if you want to learn more details of the whole line. We also can make the automatic stacker for the end product which can improve the efficiency of worker.

Two waves Guardrail roll forming machine

The machine is including 5T hydraulic decoiler, roll gang, leveling device, plate punching, cutting machine, hydraulic station, PLC system and output table, etc.

C.Main data

a) Raw material mechanical property and Spec.:

Material：Q235

Steel strip thickness：    2.0～3.0mm

Steel coil bore：    φ600

Steel coil OD：    ≤φ1800

Steel coil weight：    ≤5T

b) Product Spec.：

Product：According to the drawing

Width of the product：    310mm

Height of the product：    82mm

Length of the product：    2000-4000mm

Length tolerance：    ±2mm

Precision of the work piece：Length±1.0mm，hole distance±1.0mm，straightness 0.5mm/M，width tolerance±3mm，punching location degree tolerance：≤0.5mm；degree of symmetry±1.5mm;

c) Technology Spec.：

Forming mode：  cold roll forming   

Working speed：    0-10m/min

Feeding direction：    Left feeding

Main voltage：    According to the customer demands

Main motor power：  About 37KW

D. Main parts data:

1. Decoiler：                                 

Cantilever type hydraulic decoiler, the load capacity is 6T, Coil

boreφ500-600，Coil max diameterφ1800.

Hydraulic motor power 4KW

Hydraulic decoiler

Function:

Structure: The decoiler is including the 6T feeding device, rack, supporting device, feeding device, press head, load car, electric system, hydraulic, shovel head, straight head device, etc.

2.   Leveling and feeding：                               

Wall board type leveling machine, two roller feeding, 7 roller leveling.Leveling roller diameter is 120mm, material is 40Cr，quenching treatment hardness HRC58º～62º。The leveling machine has guiding vertical roller front and back, feeding hole has nip rolls.

Leveling machine is using four-wheel guiding, two roller feeding, seven rollers leveling, using transmission case to transmit the power. Four-wheel guide which put the material on the scheduled  the position to guide. The machine function is that it can let the coil level when the coil is moving ahead. The machine power is 7.5KW, and power come away when the machine is working normally. 

3.feeding and punching machine

Function：Punching

Structure：feeding machine and gantry type three groups punching die. It can meet the drawing requirement.Punching machine is Stand column gantry type frame structure, it set up multi-hydraulic cylinder and die.

The punching die front opening is effective and easy to change the punching pin.

The punching die is in up stroke, it can self-lock, and no glide after the machine stop.

For reducing the shaking force and hydraulic system pressure during the punching, we use grading punching.

Punching die material: Punch die use SKH51or DC53（equal to SKD11）die steel with forging and accurate grinding. HRC58-62.

Punching die repeated use mode: the punching die can strike , sharpening and can repeated use.

The punching die is ball-lock type. It is easy to change.

Technology data:

Punching speed： 3-4 sec/rate

Thickness：2.0-3.0 mm

Material：Q345B Steel strip 

4．Cutting machine

Function ：Cutting

Structure ：The machine is including portal frame, up and down guiding device,blade install plate, blade, cylinder, etc.

Cutting power：Hydraulic cylinder drive

Blade：shape blade, the material is Cr12MoVdie steel，HRC58-62。

The blade working life is more than 100000 times.

5.Roll forming machine：                               

17 steps mail roller, individual open memorial archway type structure,the column structure material is HT200 with tempering.The stand column cross sectional dimension is 100×80，3 steps guiding vertical roller. Shaft diameter is φ95 with thermal refining treatment. Single out shaft down drive gearbox has 17 pcs, bevel gear mod M=10，gearbox material is HT200。Main motor power37 kw，common motor, using frequency converter to control the speed. We also match helical surface reduction gears, speed ratio 48.57. Using 1.5 inch double row chain to drive between the drive gearboxes.Using universal drive shaft between the shafts. Using 2 inches double chain to drive between reduction gears.

6.Control system：                                

Using Siemens PLC control system, touch screen, it can control the all parts of the whole line with manual or automatic.