Introduction
The Smooth Curving Machine is engineered for continuous smooth-radius bending of metal roofing and cladding profiles without crimp marks.
Technical Specifications
| Item | Specification |
|---|---|
| Machine Type | Smooth Roller Curving Machine |
| Suitable Materials | GI, PPGI, Aluminum, Stainless Steel |
| Material Thickness | 0.4–1.2 mm |
| Effective Width | Customized |
| Curving Method | Progressive Roller Bending |
| Radius Range | Adjustable |
| Production Speed | 10–18 m/min |
| Drive System | Servo Motor + Gear Transmission |
| Control System | PLC Touch Screen |
| Power Supply | 380V / 50Hz / 3 Phase |
| Feeding Mode | Automatic Continuous Feeding |
Production Capability
| Capability Item | Description |
|---|---|
| Profile Capability | Standing seam panels, corrugated roofing sheets, wall cladding panels, aluminum facade panels |
| Steel Thickness Range | 0.4–1.2 mm for galvanized steel, color-coated steel, aluminum and stainless steel |
| Production Speed | Continuous smooth curving at 10–18 m/min |
| Tolerance & Stability | Radius tolerance within ±1.5 mm with stable repeatability |
| Custom Profile Design | Available based on customer profile drawings and samples |
| Line Solution | Full roofing production line including decoiler, roll forming machine, curving system, cutting and stacking available |
Application
The Smooth Curving Machine is used to create curved components for various industries, such as roofing panels, garden, decorative elements, and architectural features.

Customization Service
We provide complete OEM/ODM customization services for different architectural roofing systems and regional market standards.
- Adjustable variable radius system
- Different roller sets for multiple profiles
- Servo-controlled automatic radius adjustment
- Online profile changing solution
- Automatic feeding and receiving tables
- Multi-language PLC operating interface
- Remote diagnosis system
- High-speed production configuration
- Integrated roofing production line solution
Product Details

FAQ
Q1: What is the difference between smooth curving and crimp curving?
A: Smooth curving uses progressive roller bending technology to create continuous curves without visible crimp marks, resulting in a cleaner appearance and better structural consistency.
Q2: What types of profiles can this machine process?
A: The machine supports standing seam panels, corrugated sheets, wall cladding panels, aluminum roofing panels, and customized curved metal profiles.
Q3: Can the radius be adjusted automatically?
A: Yes. Servo-controlled automatic radius adjustment is available according to production requirements.
Q4: Is the machine suitable for aluminum and stainless steel?
A: Yes. The machine can process aluminum, galvanized steel, color-coated steel, and stainless steel materials within the supported thickness range.
Q5: Can you provide a complete roofing production line?
A: Yes. We can provide complete solutions including decoiler, roll forming machine, smooth curving machine, cutting system, and automatic stacking system.
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