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Model NO.: RH
HS Code: 84552210
  • MATERIAL:     
(1) Coil Width: ≤600mm
(2) Suitable Coil Thickness:
   Galvanized steel coil-1.5~3.0mm
   Stainless steel coil-1.5~2.0mm
(3) Suitable Raw Materials yield strength: 235Mpa
(4) suitable steel coil inner diameter: ¢508mm
(5) suitable steel coil outer diameter: ≤¢1200mm
(6) Suitable steel coil max weight: 5 Tons
 
  • MAIN TECHNIQUE DATA OF LINE:
  1. Line working speed: 10~15m/min
  2. Each piece final products length tolerance: ±2.0mm
  3. Both end part expanding range: 2~3mm
  4. Roll forming line power source: 380V±10%/50HZ/3 Phase
 
  • ROLL FORMING LINE WORKING PROCESS:
Decoiler-leveler-pre-cutter- transmission conveyer-main roll former- final products output
Simple line lay-out drawing (just like reference):
 
  • MACHINE COMPONENTS:
  1. Hydraulic decoiler --1 set (decoiler capacity is 5 tons)   
  2. Leveler machine-1 set
  3. Pre-cutter-1 set
  4. Tranmission conveyer-1 set                           
(5) Main roll former-- 1 set                                                             
(6) Hydraulic system-- 1set                           
(7) PLC control system - 1 set                           
(8) Final products rack-1set (total length is 3 meters)                       
 
  • LINE TECHNICAL SPECIFICATION OF EACH PART
  1. Hydraulic decoiler:
Automatic model; motor power drives decoiler shaft to move and open steel coil, and hydraulic power expands steel coil inner surface, it make steel coil to be fixed well on decoiler shaft. Decoiler also includes pneumatic power brake device and press arm, these devices will protect the operator safety on working process. Decoiler shaft also has 4 pieces material block, it will make steel coil not to be messy within working times.
The decoiler is single head model, max loading capacity: 5000kg
Suitable steel coil inner-diameter: ¢508mm, max outer diameter: ¢1200mm
Suitable material coil width: ≤350mm
Motor power: 4kw
Decoiler outer form reference picture:
 
   

 
  1. Leveler machine:
 Leveler has 7 pieces leveler rolls model, up layer has 3 leveler rolls and down layer has 4 rolls.
 Leveler rolls can be lifted up and down, leveler rolls' space can be adjusted by screw mandrel.
 After the leveler, one pair pinch rolls are installed. It will guide the raw material sheet to get into pre-cutter. The pinch rolls is pressed down by pneumatic cylinder and it is driven by servo motor. Also the leveler is driven by same servo motor. The transmission system is servo motor and
 Leveler is driven by motor; the speed is adjusted by transducer. And manual decoiler is also moved following the leveler when the leveler is on working condition.
 Servo motor power: 5.5kw
 Motor brand: (China brand products)
 
   

 The leveler outer form reference picture:
  1. Pre-cutter:
This cutter is used to cut raw material sheet according to required length parameter. The cutter is driven by hydraulic cylinder and cut action is fast and stable. When cutter is working, decoiler and leveler should stop working; when cut action is finished, decoiler and leveler works again.
Cutter blade material: Cr12 (HRC58~62)
Cut piece length tolerance: ±2.0mm

(4) Transmission conveyer:
   This conveyer is used to transfer the raw material sheet to the main roll former. The conveyer is not power model. Main components of conveyer are base frame, support rolls and related fixed accessories.
   Suitable length of the transfer sheet: ≤6m

(5) Main roll former:
            Main roll former uses single forming stand model, welded steel base plate.
            The max width of feeding guider: ≤350mm
Main roll former forming passes number: 18
The transmission system includes main motor, decelerator, gear box and transmission shaft; each forming pass down shaft is power model, all shaft are driven by main motor.
The roller is designed by professional software, and all rollers dimension are precise;
Forming roller material: Cr12 (it is equal as American D2)
Forming shaft material: 40Cr (HRC45)
Forming shaft dimension: ¢100mm
Forming stand material: QT270
Main motor power: 30kw
Main roll former working speed: 10~20m/min
The machine base plate is welded steel model, all working actions are control by electric cabinet.
Yield strength of raw material: ≤235Mpa
Machine outer form reference picture:


Note: because the final customer does not show suitable purline standard, so main roll former forming rollers are not included in quotation price. Final customer will supply the forming rollers. But, seller makes sure the each forming shaft will satisfy forming roller installation requirement which satisfy the purline standard from 2''×2'' ~6''×6'' and thickness range 1.5~3.0mm.

(6) Hydraulic system:
   It supplies the power for the hydraulic decoiler and pre-cutter.
   Without the electromagnetic valve, the other hydraulic accessories are all use Chinese famous brand products.
   Main accessories list:
No. Name Brand Country of origin
1 Hydraulic electromagnetic valve   Italy
2 Oil pump Chinese common brand China
  

 


  Hydraulic motor power: about 4Kw

(7) PLC Control System:
This system uses Mitsubishi 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 accessories list:
  
No. Name Brand Country origin
1 PLC   Japan
2 Transduer   China
3 Low-voltage apparatus   China
4 Encoder   Japan
5 Touch screen   China Taiwan

(8) Product Rack (un-powered):
Two parts, each part length is 2 meters, the total length is 4 meters.
In order to collect the final product and final products is convenient to be stacked by workers.
This rack can be disassembled easily, in order to satisfy different working condition requirements.
 

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