Square Size 70x70-200x200mm ERW Tube Mill Machine
| Attribute |
Value |
| Product Name |
Square Size 70x70-200x200mm ERW Tube Mill Machine For Thickness 4.0-12mm |
| Yield Strength of Raw Material |
σs≤345Mpa |
| Tensile Strength of Raw Material |
σb≤560 Mpa |
| Running Speed |
4.0-12mm |
| Steel Strip Width |
270-800mm |
| Pipe Size Range |
Square tube: 70x70—200x200mm |
| Warranty |
One year |
| Welding Type |
High Frequency Welding |
| Speed |
20-40m/min |
Main Equipment Components
Loading Car
Transports steel coils from loading position to uncoiler while loft oil cylinder positions the coil inner hole accurately on the uncoiler cone. After tensioning, returns to original position.
One Cone Hydraulic Uncoiler
Technical Parameters:
Coil Outer Diameter: Φ1200-Φ2000mm
Coil Width: 270-800mm
Max Coil Weight: 16Ton
Base Move Distance: 200mm
Drum Diameter: Φ508mm-Φ760mm
Spindle Drive: AC Motor (3kW)
Uncoiler Lead Speed: 5.3m/min
Expansion Head System Pressure: 12Mpa
Straight Head Machine
Guides steel strip into leveler smoothly with pressure arm and shovel head components. Features gantry type up/down uncoil system with 2.2kW motor.
Pinch Leveling Machine
Specifications:
Function: Levels steel strip head/end for shearing and welding
Leveling Motor: 22KW
Pinch Roll Diameter: Φ210x900mm (40Cr material)
Leveling Roll Diameter: Φ160x900mm (40Cr material)
Leveling Width: 270-800mm
Thickness Range: 4-12mm
Speed: 0-11M/Min
Automatic Shear and Welder
Shears and welds steel strip ends for continuous tube production. Hydraulic cutting/compression with motor-driven welding.
Steel Strip Thickness: 4.0-12mm
Steel Strip Width: 270-800mm
Strength: σb≤520Mpa; σs≤350Mpa
Hydraulic Working Pressure: 10Mpa
Horizontal Accumulator
Ensures continuous production by storing strip steel during coil changes. Comprises press/carry material device, accumulator assembly, and electric control unit.
Forming and Sizing Mill
Leveling Machine
5-roll passive leveling with worm gear lift
Roll Diameter: Φ210*900mm (42GrMo material)
Hydraulic Cylinder: 160*110 at 14Mpa system pressure
Includes double vertical roll devices
Forming Machine
Transforms strip into square tubes through solid bend and empty bend forming areas, guiding welding area, and finishing/sizing area.
Key Components
- Stand Material: ZG310-570 or Q345B welding
- Horizontal Roll: Φ200mm (42CrMo, tempered HB220-290)
- Upper Roll: Φ100mm with adjustable support side rollers
- Vertical Roll: Φ110mm with 5.5kW open/close motor
- Extrusion Roll: Closed structure with position adjustment
Flying Saw System
Cutting Specifications:
Square Pipe Size: 70x70-200x200mm
Steel Strip Thickness: 4-12.7mm
Materials: Carbon steel, pre-galvanized hot/cold rolled strip
Cut Length: 4-12m (±2mm accuracy)
Tracking Speed: 20-40m/min (matches tube mill)
Cutting Type: Double saw blade rotate milling cut
Electrical Components
| Component |
Type |
Qty |
Brand |
| Touch Screen |
HMI |
1 |
Siemens |
| Motion Controller |
PLC |
1 |
Siemens |
| Bearings |
- |
- |
NSK/SKF |
| Main Electrical Components |
- |
- |
Siemens |
Automatic Packing Machine
| No. |
Name |
Quantity |
Note |
| 1 |
Defect Collection Platform |
2M |
Roller set plus pneumatic booster pushing material |
| 2 |
Finished Product Movement |
4 SET |
Servo motor 4.4KW (Japan Yaskawa) |
| 3 |
Layer Storage Platform |
8 SET |
Roller set, quenched and tempered |
| 4 |
Layer Pusher |
4 SET |
Pneumatic |
| 5 |
Layer Delivery Mechanism |
4 SET |
Servo motor 4.4KW (Japan Yaskawa) |
Packing Process
- Counting/Palletizing: Automatically stacks specified number of pipes
- Strapping: Completes packaging with water control function
- Traverse: Moves bundled pipes to weight measurement
- Cycle: Returns to receive next package with seamless docking
Note: Electrical control uses Siemens PLC with touch screen interface. Components use Delixi brand.
Additional Specifications
- Roller Material: Cr18-20
- 1000KW Solid Welder included
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