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Jinan Brother Union Roll Forming Technology Co., Ltd.

Speedway Guard Rail, Roll Forming, Cold Roll Forming Machine manufacturer / supplier in China, offering Road Guard Forming Machine for Road Construction Roll Forming, Automatic Roofing Panel Roll Forming Machine, Steel Cable Tray Roll Forming Machine and so on.

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Road Guard Forming Machine for Road Construction Roll Forming

FOB Price: US $200,000 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $200,000/ Set
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Port: Qingdao, China
Production Capacity: 3~5 Sets Per Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: BU
  • Trademark: BU
  • Specification: CE, ISO9001: 2000
  • HS Code: 8455221000
  • Speedway Guard Rail: Roll Forming Machine
  • Transport Package: Complete Shipping Package
  • Origin: Shandong Jinan
Product Description
Raw material kind: hot rolled low carbon steel
  Raw material yield strength: 235~350Mpa
  Raw material tension strength: max 515Mpa
  Suitable steel coil outer diameter: ≤1820 mm

  Suitable steel coil inner diameter: 500~608mm
  Raw material width: ≤750mm
  Raw material thickness: 3.0mm
  Single steel coil weight: max 10000kg
1.     Roll forming line working process:
Decoilre-leveler-material loop-servo feeder-multi-station puncher-main roll former-moving cutter-auto stacker
2.     Main components of roll forming line:
2.1  Decoiler  1 set (includes coil car)
This deociler is single head model, motor drives decoiler shaft to open steel coil and hydraulic power make decoiler shaft expanding device to make steel coil to be fixed well on decoiler shaft. when complete line is on common working condition, decoiler is working automatically. In order to make decoiler operator to be safe, decoiler also includes pneumatic brake and press arm. It will protect opeator among working process.
Decoiler matches with one coil car, it is used to loading and unloading steel coil from decoiler shaft. coil car can move forwardly and back, motor drives car to move; coil car support table can lift up and down, hydraulic cylinder supplies power for this device.
      Suitable steel coil outer diameter: 1820mm
      Suitable weight of decoiler and coil car: max 10000kg
      Suitable steel coil width: max 750mm
      Motor power of decoiler: ≈15Kw
      Motor power of coil car: ≈5.5Kw
2.2  Leveler machine  1 set
This leveler uses 7 rollers model. Up layer has 3 pieces rollers, and down layer has 4 pieces rollers. the rollers' space which is between up and down layer can be adjusted manually by screw mandrel.
Two pairs guide rollers are installed in the front of leveler roller part, feed roller is pinched well by pneumatic cylinder. Pinch roller working speed can be adjusted by transducer, operator can control it according to actual working requirement.
In the front of main leveler part, one special Telescopic shovel head is installed on leveler base plate. When raw material will get into leveler part, this shovel will move up and guide raw material to get into leveler device smoothly.
Max working speed: 20m/min
Suitable steel coil width: max 750mm
Suitable steel coil thickness: max 3.0mm
Motor power: ≈11Kw

The decoiler and leveler device outer form reference picture:
2.3  Material loop  2 sets
Material loop is used to make working speed to be matched for different necessary parts. Complete line totally includes 2 sets loop. One loop is between leveler and puncher, the last one is between puncher and main roll former.
Within the loop channel, it includes few photoelectric switches. These switches are used to control raw material feeding location in each loop channel.
  3.4 Servo feeding device  1 set
     This device is installed in the front of multi-station puncher. It is fixed on puncher base plate.
     This servo feeding device is driven by servo motor, operator can set few group working data oncontrol system, and then servo feeding device will feed raw material sheet one time by one times.
     Feeding device also has one pair feeding rollers, it is lift up and down by pneumatic cylinder.
     Max feeding speed: 40m/min
     Each time feeding length tolerance: ≤±0.15mm
     Servo motor brand: Japanese Yaskawa
     Servo motor power: 5.5Kw
     Feeding roller material: 9Cr2Mo or GCr15 (HRC55~60)
3.5 Multi-station puncher  1 set
      This kind of puncher is multi-station model, it includes few working units, these working units are used to finished different holes' punching action.
 Main components of puncher are base plate, punch die, punch frame, adjustable device for each punch die unit, etc.
 According to our facotry experience, common speed way guardrail needs to use 8 working units to finished necessary hole. Unitl now, final client does not show final punch hole drawings, so puncher working units cannot be confirmed now. when order is confirmed, both parts need to sign on punch hole drawing together.
 Puncher will matches with one complete set punch die, these die will satisfy different hole requirements.

 Servo feeding device and puncher outer form reference picture:
   3.6 Main roll former  1 set
      Main roll former is single forming stand model (torii model), motor, decelerator, chain and gear drives roll former to form profile section.
      Each forming stand has power, the down forming shaft part is power part. some important forming stands are matched with in-phase gear, main aim is to make formign process to be precise.
      All roll forming rollers are finished machining and polishing for roller surface. Roller material is Cr12 (HRC58~62), the physical character is similar as American D2 material.
      Raw material of forming stand: QT470
      Raw material of forming shaft: 40Cr
      Raw material of forming roller: Cr12
      The diameter of forming shaft: φ90mm
      Motor power of main roll former: 55Kw
      Main roll former working speed: 10~15m/min
      Complete line actual working speed: 5~6m/min
      Main roll former outer form reference picture:

   3.7 Moving cutter  1 set
      This cutter working action is continuous model, when cutter action is doing, complete line needs not to be stopped.
      Main componets of cutter are base plate, pneumatic cylinder, linear guide rail, cutter frame, cutter die and hydarulic cylinder, etc. hydraulic cylidner supplies power for cutter, cutter moving power is supplied by pneumatic cylinder.
      Cutter die material: Cr12MoV (HRC58~62)
      Cutter working speed: 5~6m/min
      When cutter cuts the final profile, these is no waste piece.
      Moving cutter outer form reference picture:

   3.8 Hydraulic system  2 sets
      These two systems are used to supply power for hydraulic decoiler, coil car, multi-station puncher and moving cutter.
      A pump and accumulator composite structure, punching and cutting action speed is much fast, it can improve production line working speed. Cooler with air-cooled, high production requirements to meet the work load and high temperatures. The hydraulic system which is specially design for the high speed puncher and moving cutter is much professional.
      Main components of system inlcudes motor, oil pump, filter, oil tank, electromagnetic valve and etc.
      Hydraulic oil of this kind of system should be kept on grade 6~8.
   3.9 Electricial control system  1 set
   This system uses Mitsubishi (or same level brand products) PLC to control all working actions. Production quantity and each piece length will be automatically measured; human and machine interface, touch screen is input and cancelled the working data. It is convenient to control the roll forming machine.
The control panel has English operation interface, it is convenient to operator to input and cancel working date.
      Main componets of electrical system:
      PLC: SIEMES (German brand products)
      Transducer: Delta (China Taiwan brand products)
      Touch screen: WEINVIEW (China Taiwan brand products)
      Low-voltage apparatus: Schneider (French brand products)
      Encoder: Schneider (French brand products)
   3.10 Auto stacker  1 set
       This stacker total length is 4 meters, it has two part, each part length is 2 meters. Stacker is easy to assemble, when complete line needs to have some location adjustment, operator can disassembly it soon.
       Motor power drives stack to send final sheet out of stacker area, pneumatic power to catch and push down final sheet when it is out of main roll former.
Road Guard Forming Machine for Road Construction Roll Forming
Road Guard Forming Machine for Road Construction Roll Forming
Road Guard Forming Machine for Road Construction Roll Forming

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