Product description
CZU Purlin Roll Forming Machine
As the global demand for photovoltaic (PV) solar projects continues to grow, manufacturers require faster, more flexible, and highly automated production equipment. The High Speed CZU Solar Channel Machine from Lotosforming is designed to manufacture C, Z, and U solar mounting channels with exceptional accuracy and efficiency.
With a production speed of 30 meters per minute, this advanced roll forming line significantly improves productivity while maintaining consistent profile quality for solar racking systems.
Advantages of a 30m/min Solar Channel Machine
Compared with conventional roll forming machines, the high speed model offers several advantages:
- Higher daily production capacity
- Lower labor costs
- Improved dimensional accuracy
- Reduced material waste
- Stable operation at high speed
- Faster return on investment
- Continuous automated production
These advantages make the machine suitable for both medium sized manufacturers and large industrial production facilities.
Production Process
Hydraulic Automatic Decoiler with Loading Car → Shearing & Butt Welding → Four-Roller Feeding Unit → Six-Station Punching System + Servo Feeding System → Main Roll Forming Machine → Inkjet Printer → Servo Tracking Hydraulic Flying Cut → Intelligent Roller Conveyor → Automatic Stacking System
1.Ton Hydraulic Automatic Decoiler with Loading Car
Item | Specification |
1.1 | Maximum Loading Capacity: 10 tons |
1.2 | Coil Inner Diameter: Φ508–Φ610 mm |
1.3 | Coil Outer Diameter: Φ1300–Φ2200 mm |
1.4 | Cantilever Length: 600 mm |
1.5 | Function: Electric decoiling with hydraulic mandrel expansion |
1.6 | Structure: |
2.Shearing & Butt Welding Machine
Item | Specification |
2.1 | Applicable Material: Q195–Q550 hot-rolled low-carbon steel, galvanized steel strip, or Zn-Al-Mg coated steel |
2.2 | Maximum Strip Width: ≤500 mm |
2.3 | Strip Thickness: 1.5–3.0 mm |
2.4 | Machine Model: XY-500DF |
2.5 | Maximum Effective Weld Length: ≤500 mm |
2.6 | Effective Shearing Length: 500 mm |
2.7 | Weld Shielding: Double-side shielding gas protection for both front and back of the weld |
2.8 | Applicable Material Thickness: 1.0–3.0 mm |
2.9 | Welding Speed: 500–1500 mm/min |
2.10 | Working Method: Hydraulic shearing with hydraulic clamping; scrap ring remains attached after cutting (no scrap loop generated) |
2.11 | Travel Accuracy: 0.10 mm |
2.12 | Hydraulic Shearing Pressure: 5–15 MPa |
2.13 | Power Supply: 380 V AC |
2.14 | TIG Welding Machine Brand: Aotai 400A |
- Strip Feeding Unit
Item | Specification |
3.1 | Motor Power: 7.5 kW, Siemens Beide |
3.2 | The feeding unit adopts a four-roll pulling system. The two upper rolls are mounted on bearing housings and are raised or lowered simultaneously by the leveling hydraulic cylinder and synchronized gears. The roll pressing force can be adjusted through the hydraulic lifting system. |
4.Main Roll Forming Machine
Item | Specification |
4.1 | Applicable Material Thickness: 1.5–3.0 mm |
4.2 | Applicable Materials: S250GD+Z, S350GD+Z, S420GD+Z galvanized steel, Q235B, Q355B, Q420, Q550 steel, cold-rolled steel, and Zn-Al-Mg coated steel |
4.3 | Main Motor Power: 55 kW variable-frequency motor (Siemens Beide) |
4.4 | Forming Speed: 10–30 m/min |
4.5 | Number of Forming Stations: 18 |
5.Servo Tracking Hydraulic Flying Cut System
Item | Specification |
5.1 | Cutting Method: Servo tracking flying cut using a hydraulic profile cutting die |
5.2 | Control System: Entire unit controlled by PLC |
5.3 | Cut Length Accuracy: ±1 mm |
5.4 | Hydraulic Power Unit Motor: 11 kW, Siemens Beide |
5.5 | Synchronized Cutting Speed: 10–30 m/min |
5.6 | Linear Guide Rails: HIWIN, Taiwan |
5.7 | Cutting Length: Continuously adjustable from 1 to 13 m |
5.8 | Cutting Carriage Drive Motor: 7.5 kW servo motor, Siemens |
5.9 | Remarks: Supplied with two sets of cutting dies for two different profile types. |
6.Cantilever Stacking System
6.1 Profile Specifications
- Profile length: 1.8–10 m
- Material thickness: 1.5–3.0 mm
6.2 Process Flow
Profiles are delivered from the intelligent conveyor with the groove facing upward:
- Cylinder pushing system → forward discharge
- Keeping the profile flat and stable
- 180° flipping mechanism
- Suction cup pick-up system
- Transfer to horizontal output conveyor
6.3 Smart Roller Conveyor
- Composed of two sections:
- Section 1: Powered roller conveyor
- Section 2: Turning device conveyor section
- Function:
Rotates profiles into a suitable position for suction pick-up
6.4 Automatic Stacking System
- Consists of:
- Turning mechanism
- Mobile suction unit
- Moving transfer system
- Handling method:
Electromagnetic/vacuum suction system
Suction position is adjustable according to profile length
6.5 Motion System
- Horizontal movement: servo motor + rack and pinion + linear guide
- Vertical movement: brake servo motor + rack and pinion
- Features:
- High positioning accuracy
- Smooth and precise motion control
- Equipped with limit sensors to prevent over-travel and collision
FAQ:
The machine operates at a maximum production speed of 30 meters per minute.
Yes. It features a high-precision servo hydraulic punching system for accurate hole positioning.
Absolutely. Lotosforming offers customized designs, profile configurations, punching layouts, and automation options based on customer requirements.
These profiles are widely used in photovoltaic solar mounting systems, rooftop solar installations, ground-mounted solar farms, and commercial solar support structures.




