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Our DFT system represents a leap forward in steel tube manufacturing:
Flexibility and Efficiency: Eliminates the need for roll changes to accommodate different sizes within the mill range, drastically reducing setup times and enhancing production flexibility.
Automated Precision: Fully automated and computerized operations ensure accurate setup and rapid production turnaround times, making it ideal for customized orders.
Cost Efficiency: Achieves direct material cost savings ranging from 2% to 10% depending on specifications, size, and thickness, offering a competitive edge in the market.
With its unmatched precision, efficiency, and cost-effectiveness, Direct Forming Technology (DFT) represents the future of square tube production. Embrace innovation and elevate your manufacturing capabilities with advanced solutions from TENGDI MACHINERY.
| Model | Procession (mm) |
Round thickness (mm) |
Square/Rectanglar (mm) |
Pipe thickness (mm) |
Welding speed (m/min) |
| Φ50 | Φ19-Φ50 | 0.6-3.5 | 15*15-40*40 | 0.6-3.0 | 20-120 |
| Φ60 | Φ21-Φ60 | 0.8-3.5 | 15*15-50*50 | 0.8-3.0 | 20-120 |
| Φ76 | Φ21-Φ76 | 0.8-4.0 | 15*15-60*60 | 0.8-3.5 | 20-110 |
| Φ89 | Φ32-Φ89 | 1.0-4.5 | 25*25-70*70 | 1.0-4.0 | 20-100 |
| Φ114 | Φ48-Φ114 | 1.5-5.0 | 35*35-90*90 | 1.5-4.5 | 20-70 |
| Φ165 | Φ89-Φ165 | ≤8 | 70*70-130*130 | ≤7 | ≤60 |
| Φ219 | Φ102-Φ219 | ≤10 | 80*80-170*170 | ≤9 | ≤50 |
| Φ273 | Φ114-Φ273 | ≤14 | 90*90-200*200 | ≤12 | ≤40 |
| Φ325 | Φ127-Φ325 | ≤16 | 100*100-250*250 | ≤14 | ≤35 |
| Φ406 | Φ219-Φ406 | ≤16 | 170*170-300*300 | ≤14 | ≤30 |
| Φ660 | Φ325-Φ660 | ≤22 | 250*250-500*500 | ≤20 | ≤30 |
Our Direct Forming Technology (DFT) for square tube production revolutionizes the industry with several key advantages over traditional methods:
Superior Cross-Sectional Shape: Unlike traditional round-to-square or rectangular roll forming, DFT ensures precise edges and a flat brim with minimal inner arc radius, resulting in a consistently uniform appearance.
Reduced Material Consumption: The DFT process reduces steel strip width by approximately 3% compared to alternative methods, significantly saving on raw material costs.
Efficiency and Quality Assurance: Utilizing a multi-point bending approach, DFT minimizes axial force and side abrasion, streamlining the roll forming process. This innovation not only enhances product quality but also reduces power consumption and roller wear.
Versatile Production Capability: Incorporating combined type rollers across most stands allows for seamless production of numerous square or rectangular tube specifications with a single set of rollers. This efficiency slashes roller inventory costs by up to 80%.
Q: Are you manufacturer?
A: Yes. We are manufacturer. We have our own technical team. Welcome to visit us.
Q: What payment terms do you accept?
A: We are flexible on payment terms, please contact us for details!
Q: What info you need before you make the proposal?
A: The pipe diameter and thickness range which you need or the profile drawings material information, your special requirements and speed of the machine.
Q: How do you do QA?
A: We have special team do strict QA, this is our strengths:
(1)Every gear box will be tested for 8 hours with oil inside to guarantee there is no leak.
(2)Every shaft will be inspected for the centering jumpiness.
(3)Every roller will be checked to make sure it is in the range of tolerance critical parts will be inspected for all dimensions.
Q: Why choose you? What is the difference between you and other Chinese supplier?
A: You can get higher quality product & better professional service from TENGDI with same price.
Q: What I should do if just start a new business?
A: Contact us immediately, we provide free consultant pre-sales service
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