Hebei, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9000, BS 25999-2
Terms of Payment:
LC, T/T, Western Union
OEM/ODM Service

Cold Roll Forming Machine, Roll Forming, Forming Machine manufacturer / supplier in China, offering Dx Aluminium Sheet Cold Roll Forming Machine, Dx 850 Corrugated Roll Forming Machine, Dixin Pneumatic Stack Machine for Sales and so on.

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Dx Aluminium Sheet Cold Roll Forming Machine

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Purchase Qty. / Reference FOB Price
1 Piece US $10,000
2+ Pieces US $8,000
Port: Tianjin, China
Production Capacity: 10 Sets Per Month
Payment Terms: L/C, T/T, Western Union
Tile Type: Colored Steel
Certification: CE, ISO
Condition: New
Customized: Customized
Usage: Roof, Wall, Floor
Transmission Method: Hydraulic Pressure

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Basic Info

Model NO.: 840&825
Mode: 840&825 Roll Forming Machine Manufacturer
Panel Profile: Can Be Design as Your Requiirement
Feeding Width: 1200mm and 1120mm or as Panel Drawing
Feeding Thickness: 0.25-0.75mm
Control System: PLC Control and Manual Control
Roller Material: No.45 Forged Steel with 0.05mm Chromium
Shaft Diameterl: 75mm
Forming Steps: 15 Rows and 13 Rows or as Panel Drawing
Quality Gurantee: One Yaer
Forming Speed: 8-12m/Min
Trademark: DIXIN
Transport Package: Waterproof Package
Specification: 840/25, 900/15
Origin: China, Hebei
HS Code: 845522

Product Description

DX 840&900 sheet metal roll forming machine

1. Technique parameters
(1) Processing material: Aluzinc/galvanized steel/colored steel coil
(2) Material thickness: 0.25-0.75mm
(3) Effective width: 840/900
(4) Feeding width1000
(5) Main motor power: 4 kw
(6) Pump power: 4 k
(7) Shaft diameter: 75mm
(8) Forming steps: Up level 11 steps for 840 profile; Down level 13 steps for 825 profile
(9) Roller material: 45# forged steel, with hard chrome plating
(10) Main frame: 350H steel
(11) Medium plate thickness: 14mm
(12) Control systerm: PLC computer control with inverter
(13) Power supply: 380V, 3 Phase, 60Hz or as requirement
(14) Overal sized: 7500mm*1500mm*1500mm

2. Rules of roll forming

1. The material being formed must use the same length at each forming operation. If the length of material varies from one forming operation to another, unnecessary stresses can build up causing problems such as ripples, herringboning and double bending.
2. Stresses in the formed elements and the sheet edges must be well within the yield stress of the material. Stress levels above the yield stress will cause the material to increase in length and subsequently create either a wave on the strip edge, or cause the section to curve away from the stressed edge where the two edges are turned up. In the case of a section with one up-turned edge and one down-turned edge, the stress will manifest as a twist along the length of the sheet. On thinner materials high stresses usually manifest themselves as a herringbone effect.
3. The material spring back must be allowed for by over bending. Unless an allowance is made for spring back the outer forms will lie back, and where humps or similar are formed in the centre of the section the overall cover width will expand.
4. The neutral axis must be used wherever possible. Forming on the neutral axis creates equal stresses of a lower order than base line forming and will produce a level section on exiting the forming process. Base line forming on higher sided profiles will normally create a downward curve in the sheet.
5. The peripheral speed of the roll contact faces should be constant within a small tolerance. When the peripheral speed of a roll varies to that of the linear speed of the section being formed scuffing will occur. This will result in damage to the surface of the material and reduced roll life. Opening up the gap between top and bottom rolls to reduce the scuffing will cause malformation of the profile.
6. The line of the form over the forming stations must be convex. If a line taken over the tops of the push up rolls over the forming stations does not form a convex shape, the leading edge of the sheet passing over the final form roll will lift clear of the intermediate form rolls. This lifting will cause increased stresses in the sheet at the final rolls.
7. When a roll pushes up a bend there should be a corresponding roll to bend about. When a form roll pushes on the section, if there is not a roll for it to bend about the form will take the easiest route, usually bending the section away from the roll.
 1 Manual uncoiler
 2 Feeding device
 3 Roll forming part
 4 Hydraulic pump
 5 Motor
 6 PLC control system
 7 Support table

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