

This automatic snap lock forming machine is professionally engineered for the high-efficiency manufacturing of round pipes with snap-lock seams, widely used in HVAC and ventilation ducting systems. Starting from sheet metal, the system seamless integrates manual feeding, two-side snap-lock forming, and multi-functional final processing (including base-end embossing, pressing circular ribs, and rounding). With a compact footprint of approximately 4 meters in length, it offers an ideal, high-precision solution to produce structural-stable, well-sealed round ducts with minimal labor.
Fully Automatic Snap Lock Round Pipe Forming Machine
Why Choose Us? Upgrade Your Production Today!
Tired of separated, slow machinery for duct lock-forming and pipe rolling? It’s time for an integrated upgrade! This machine forms standard snap locks on both sides and rolls the pipe in a synchronized, continuous workflow. Contact us today to get an instant quote and dramatically multiply your workshop efficiency!
Product Features
Technical Parameters For Pipe Forming Machine

Process Flow
Manual feeding—Two-side forming—Embossed, pressing circular ribs, and round
Technical Parameters
High load-capacity and stable tensioning design ensure smooth and steady material feeding, laying a solid foundation for subsequent high-precision leveling and cutting.
| Item | Specification |
| Material | 0.25 mm Galvanized Steel |
| Sheet Length | ≤ 1524 mm |
| Sheet Width | 300–1200mm |
| Production Line Speed | 10m/min |
| Number of Forming Rollers | 12 forming stages |
| Roller Material | GCr15 vacuum quenching |
| Roller Structure | One side fixed, the other adjustable for processing widths of 300–1200mm |
| Support Roller | Φ70 rubber-coated surface |
| Coiling Roller Diameter | Φ76 medium-frequency hard chrome-plated surface |
| Coiling Diameter | 102–355mm |
| Coiling Method | automatic adjustable inclined rollers, upper roller auto-lifting to avoid seam pressing Base-end embossing and circular rib pressing |
| Working Height | 940mm |
| Area | 4m × 2.5m |
| Equipment Weight | Approx. 3 tons |
FAQ
1. What makes the "Snap Lock" design on this machine unique?
It automates dual-side lock forming and features an auto-lifting upper coiling roller. This smartly prevents the machine from crushing the finished lock seam during pipe rolling, guaranteeing perfectly uncompressed, structural seams.
2. Is it difficult to adjust the machine for different pipe widths?
Not at all. With one side fixed and the other side fully adjustable, operators can swiftly modify the machine to process any sheet width from 300mm to 1200mm to meet various order requirements.
3. Does the machine protect the anti-rust layer of the metal?
Yes. The support rollers feature a premium φ70mm rubber coating, and the coiling rollers are hard chrome-plated. This prevents metal-to-metal scratches, keeping the galvanized coating intact for a maximum rust-free lifespan.
4. What are the operator and training requirements?
No professional engineer required. The machine is automated and highly integrated. A single worker can easily operate it following manual placement, and master the full workflow within half a day of basic training.
Our hours
Mon 11/21 - Wed 11/23: 9 AM - 8 PM
Thu 11/24: closed - Happy Thanksgiving!
Fri 11/25: 8 AM - 10 PM
Sat 11/26 - Sun 11/27: 10 AM - 9 PM
(all hours are Eastern Time)
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