Automotive Large Heavy Metal Welding Fabrication Steel Structure
- Project name: Weiqiao heavy steel structure workshop
- Content:steel frame
- Quantity: 485T
- Total value: 697,000usd
- Description: Large single span is up to 35meters, 22 Meters height.
Crane lifting capcity is 20 tons. Lattice structure column.
- Installation time: 10 weeks.
| Size | Model | 10*10-500*500mm | | Thickness | 3-180mm | | Length | 1-12m or as customer required | | Fabrication Method | Prep | CNC controlled equipment sawing drilling punching
flame cutting plasma / laser cutting shearing | | Welding | MIG SAW TIG | | Surface Treatment | cleaning
sand blasting
chroming, zincing, nickeling
painting | | Steel material | Q235 Q345B Q345D | | Standard | API ISO SWA CCS or ABS | | Usage | Widely used in petroleum machinery,ceramic machinery, cement machinery, energy machinery and so on. | | Shape | Usually Plain also can be beveled or as customer required | | Surface | Sand blasting paint or as customer required | | Technique | Hot Rolled Type Welded Welded Line
Longitudinal Section Shape Square | | Test | Raw Material Chemical Component Analysis, Mechanical Properties
(Ultimate tensile strength, Yield strength, Elongation),
Exterior Size Inspection, Hydrostatic Test, UT Inspection, MT
Inspection |
|
| Laser Cutting | Plasma Cutting | Water-jet Cutting |
| Specification | Laser Generator Power(4000 W) | Max Cutting Current (360A) | Max.Pressure (380Mpa) |
| Max.Size(mm) | 2000*6000 | 13000*3500 | 4000*2000 |
| Cutting Speed(mm/min) | 800-10000 | 500-5000 | 10-1500 |
Cutting Precision (mm) | ±0.2 | ±2 | ±1.5 |
Cutting Thickness (mm) | 0.2-20(mild steel )/ 0.2-10(CrNi) | 1-80(mild steel )/ 1-70(CrNi) | 1-150mm (any material) |
5. Welding
· Standard: AWS D1.1
· Method: GMAW / FCAW / SMAW / SAW / TIG / MIG
6. CNC Machine Service
· Different types of CNC equipments provide a reliable guarantee for
the quality.
· Max. Diameter : 5000mm
· Max Height : 2500mm
· Max Weight : 200T
(5m*14m)(3m*8m) CNC Floor Type Milling/Boring Machine
| Model | TA6920A/140*50 | Model | T6216D |
| Max Travel of Front Column(X) | 14000 | Max Travel of Front Column(X) | 8000 |
| Max Travel of Front Headstock(Y) | 5000 | Max Travel of Front Headstock(Y) | 3000 |
| Max Travel of Front Spindle(Z) | 1200 | Diameter of Spindle | φ160 |
| Max Travel of Ram(W) | 1200 | Max Travel of Spindle Direction | 1200 |
(3.5m)(5m) CNC Double Column Vertical Turning Machine
| Model | CKJQ5250B/1 | CKJ5235C/1 |
| Max Diameter of Work Piece(mm) | 5000 | 3500 |
| Max Height of Work Piece(mm) | 2500 | 2500 |
| Max Weight of Work Piece(mm) | 35 | 35 |
7. Surface Treatment
Sand blasting,Painting,Chrome-plating, Zinc-plating,Nickel-plating,
Hot dip, Powder coating, Polishing and so on.
8. Quality Control
Quality is basis of living for us. We strictly comply with ISO and
API Q1 QMS requirements. We established a
standard operation procedure for quality control, which covers inspection of purchased
materials, welding,
machining, sand blasting, paint, assmbly and so on.
9. Inspection
Inspection process :
- raw material quality inspection
- physical chemical experiment
- welding inspection
- machining inspection
- MT/UT inspection
