The core device of the entire cold roll forming line (distinct from punching machines). Composed of multiple sets (passes) of forming rolls, it progressively and continuously bends the strip (after leveling and feeding) into the designed cross-sectional shape (such as C-channels, U-profiles, or custom shapes) through sequential rolling. The design, precision machining, and debugging of the forming rolls directly determine the dimensional accuracy, surface quality, and structural stability of the cold-formed profiles, adapting to various metal materials (including stainless steel, aluminum, etc.).
The Cold Roll Forming Machine transforms flat coil stock into complex and consistent profile shapes using a series of step-by-step forming stations. After leveling, feeding, and optional punching, the material enters this station for gradual deformation through sequential rolling.
Each forming pass incrementally shapes the material without breaking its structure—ensuring uniformity, high-speed throughput, and reduced material stress. Proper roll design, machining precision, and alignment tuning are vital to achieving optimal line performance.
This machine is highly adaptable to:
Different materials (galvanized steel, stainless steel, aluminum, etc.)
Custom profile dimensions (C, U, Z, Omega, hat, rail types)
Application sectors including construction, logistics, power enclosures, PV systems, fire protection, and more
| Suitable raw material | Cold-rolled sheet (SPCC), hot-rolled sheet (SPHC), hot-dip galvanized sheet (SGCC), stainless steel sheet (SUS), aluminum sheet (AL), electro-galvanized sheet (SECC) (customized according to customer requirements) |
| Raw material width | 10mm-2000mm (customized according to customer requirements) |
| Rolling thinckness | 0.2-10mm(customized according to customer requirements) |
| Production Capacity | 0-50 m/min(customized according to customer requirements) |
| Servo Feeder | Yaskawa, Delta, etc., customized according to customer requirements |
| Machine motor power | 3kw-200kw, customized according to customer requirements; motor brands include Siemens, Yaskawa, etc., customized according to customer requirements |
| Voltage | 110v-380v, customized according to local voltage |
| Punching Machine Material | Cr12MoV, SKD11, DC53 die steel, customized according to raw material |
| Roller material | High-quality Cr12 die steel, processed by CNC lathe |
| Machine working speed | 0-50 m/min (customized according to customer requirements) |
| Electrical control system | Siemens, Mitsubishi, Schneider, etc., customized according to customer requirements |
| Transport Package | Wrap with plastic wrap and pack in boxes stretch film packaging, fumigation-free wooden boxes, and fumigation-free wooden pallets |
| Customized service | Customization by Design Drawing Customization by Sample Customization to Your Requirements |
Multi-Pass Precision Shaping—Gradual forming reduces material strain and ensures exact profile replication.
Flexible Profile Capability—Supports diverse designs like C, U, Z, hat, Omega, open-channel, rail-type, etc.
High-Speed Production—Forming speed of up to 50 m/min enables continuous manufacturing with minimal downtime.
Custom Roll Tooling Design—Each forming roll set is tailor-designed and CNC-machined for your specific profile.
Superior Surface Finish & Dimensional Accuracy—Stable forming process ensures clean edges and uniformity without cracking or warping.
Modular Station Layout—Easily adjustable or expandable depending on profile complexity and production line needs.
Heavy-Duty Machine Frame—Rugged construction ensures vibration-free operation and long service life.
Seamless Line Integration—Interfaces with feeders, punch presses, cut-off systems, and automated stackers.
Central command for start/stop, speed sync, parameters, alarms, and safety.
Holds and unwinds coil with stable tension for smooth infeed.
Work rolls remove internal stress and correct flatness/straightness.
Fixed-length, accurate feeding at preset length and speed.
Punching, shearing, bending, flanging, and drawing via dies.
Multiple stands gradually bend strip into the target profile.
In-motion, synchronized cutting; clean, burr-free ends.
Convey, turn, and stack finished profiles for packing/transport.
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