Our fully automatic C purlin roll forming machine is equipped with a PLC-controlled pre-punching and pre-cutting system for efficient and precise production. Production speed can reach up to 30m/min, ensuring stable performance and high manufacturing efficiency for steel structure applications.
See the Rollmac C60-250/C80-300 in Action
Core Advantages of RollMac Purlin Series Roll Former
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Process Flow:
Uncoiler — Feeding — Straightening — Pre-Punching& Cutting — Roll Forming —Run Out
| Rollmac C Purlin Machine Specification | ||
Profile Specification | Machine Specification | Machine Configurations |
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Machine Detail
Advantages of RollMac Automatic C‑Channel Changeover
1. Front-end servo-driven dynamic punching with automatic lateral hole-pitch movement. High punching accuracy and high speed, suitable for processing high-precision steel-structure components.
2. Supports one‑click production by importing processing files via USB, or optionally importing fixed-format CAD files via an industrial PC for one‑click production. Reduces input errors from manual operation.
3. Applicable material thicknesses: carbon steel 3.5 mm, G550 high‑strength steel 3.0 mm, stainless steel 3.0 mm.
4. No manual gap adjustment: roll gaps automatically adjust when thickness varies.
5. Proprietary forming process paired with a front-end straight shear; formed C‑channel web height is perpendicular (90°) to the bottom flange, with no bell‑mouthing at the tail. Cut edges are clean and burr‑free; tooling life is long and maintenance costs are greatly reduced.
6. Computerized one‑button automatic profile changeover, completing any change between 60 mm and 250 mm (or 80 mm and 300 mm) within 1 minute.
7. Flexible drive options to meet different production needs: choice of servo-motor drive or hydraulic‑motor drive. Servo version is suitable for high‑precision, high‑speed mass production; hydraulic version is suitable for thick plate and heavy‑duty processing, matching different capacity and accuracy scenarios.
8. Mature structure and high stability: R&D backed by over 20 years of C/Z‑section equipment manufacturing experience and leveraging structural advantages of high‑end New Zealand roll‑forming equipment. The overall structure is simple and well‑reasoned, easy to operate, low failure rate, and suitable for long‑term continuous production.
Full automatic C purlin roll forming machine Application:
A C purlin roll forming machine is a dedicated machine used for producing C-shaped steel purlins with high efficiency and precision. It forms purlins through a continuous roll forming process, ensuring consistent quality and accurate dimensions for construction use.
The finished C purlins are widely applied as structural support for roofs and walls in industrial and commercial buildings, including factories, warehouses, garages, exhibition centers, cinemas, theatres, and various large- and medium-scale construction projects.
How is automation achieved in a fully automatic roll forming machine?
Automation is achieved through the integration of a PLC control system, sensors, automatic feeding, roll forming, cutting, and discharge systems working in coordination. The PLC processes real-time data from sensors to control machine actions precisely.
1. Control System: The control system is the core of machine automation. It uses PLC or CNC technology to manage and coordinate all machine operations. By receiving real-time data from sensors, it sends precise commands to each component to ensure fully automated and stable machine performance.
2. Sensors: Sensors are used to detect and measure key parameters such as material position, size, speed, and alignment. They send real-time feedback to the control system, allowing automatic adjustments and precise control of machine operations.
3. Roll Forming Stations: The roll forming stations are made up of multiple roller stands and forming tools that gradually shape the metal strip into the required profile. Motor- or actuator-driven automatic adjustment systems control roller positions and settings to ensure accurate and consistent forming results.
4. Cutting Mechanism: The automated cutting system is used to cut formed profiles to the required lengths. It operates in synchronization with the control system to ensure accurate, consistent, and efficient cutting performance.
