Purlin roll forming technology represents a cornerstone of modern construction, offering a highly efficient and precise method for producing structural components. A purlin roll forming machine is specifically engineered to fabricate C, Z, and other shaped purlins, which are essential horizontal beams used to support roof and wall sheeting in metal buildings.
These machines operate by feeding a flat steel coil through a series of precision-engineered rollers. Each roller station progressively shapes the material, gradually transforming it from a flat strip into the desired purlin profile without the need for heat or welding. The technology's key advantages include high-speed production, consistent quality, and a high degree of automation.
Advanced machines feature quick-change systems, allowing operators to switch between different purlin sizes or profiles (e.g., from C to Z) with minimal downtime. This versatility and efficiency make purlin roll formers indispensable for manufacturers aiming to meet the growing demand for durable, lightweight, and custom-sized structural steel components in the construction industry.
Machine specifications
Dimensions (L x W x H): 18500 mm x 1400 mm x 1500 mm
Output speed (m/min): 8 m/min + 22 m/min
Blade shaft diameter (mm): 670 mm Weight (kg): 8000 kg
Electric power (kW/HP): 15 kW / 20 HP
Forming blade shaft stages: 16 stages /
Material specifications
Sheet thickness (mm): 1 mm + 3 mm
Hardness: G330 - G550
Hydraulics
Electric motor (kW / HP): 15 kW / 20 HP - Hitachi
Pump (Cm³/v): 50 Cm³/v (Eternal - Taiwan)
Valve: Yng - Yuei
Oil pipe: Yokohama - Japan / Dynesflex
Drive motor (cc/v): 5 Piston 800 cc/v
Pressure gauge: 250K (CNN - Taiwan)
Hydraulic oil: K32 - 200L
Control cabinet
Power bridge: Fuji - Mitsu
Motor overload protection relay: C6
Power supply: 48VDC, Omron - Japan
Industrial control unit (PLC): Mitsubishi - Japan
Screen: 7-inch HMI touchscreen - Weintek - Taiwan
Hydraulic valve on/off motor: On/off contact switch for idec - Izumi - Japan
Speed control ratio unit: Yes
Control cabinet: Standing cabinet
Length counter: 360 Pulses / Revolution (Speed measurement ensures the machine runs fast without errors at sudden punching intervals)
Warning light: 220VAC
Warning horn: 220VAC
Electric wires: Vietnam
Other components
Main cutting blade: 1 side Ø200 x 100 ST
Punching die: 1 side Ø140 x 100 ST
Flat cutting blade: 1 side Ø125 x 125 ST
Cutting blade: Specialized steel from Japan / Germany, cutting blade lasts more than 5 years
Push button: Dustproof and moisture-proof type with inverter 5 years
Bearings: KG / FBC / FBL / Taiyo
Net RS chain: 120
External standards
Durability & machine uniformity: The machine's equipment is mass-produced from modern Japanese CNC lathes, milling machines, grinders, and automatic welding Robots, with 100% ABBI - Switzerland, Yaskawa.
Safety in use: The machine is always in a state of protection against accidents during operation, no need for handling.
Productivity, product quality: The equipment is standardized for many machines, in combination with the factory's product quality standards.
Designed to customer requirements: The equipment is standardized (can be designed with specific requirements of the customer).