Product Details

Automatic W Purlin Roll Forming Machine – Engineered to Keep Production Moving

Steel framing is the backbone of a lot of construction, and W purlins are among the most commonly used sections for a reason. The shape provides strength and stability, and the ability to produce them accurately and quickly can make or break a project timeline. This particular automatic roll forming machine is built with that exact requirement in mind.

The forming process is continuous and consistent. Coiled steel enters the line, passes through a series of precise roller stations, and emerges as a complete W-shaped profile with accurate leg heights and flange widths. The line handles a range of material thicknesses, which gives you flexibility when filling orders that call for different load-bearing capacities.

What sets this machine apart is the level of automation integrated into the system. The PLC controls the entire run from start to finish, handling not just the roll forming but also the punching and cutting operations. Web holes and flange holes are punched in sequence as the profile moves through the line, eliminating the need for secondary drilling or punching operations. Cut lengths are controlled precisely, so every purlin comes off the line at the specified dimension without manual measuring.

The machine adjusts to different sizes easily. If you're running a series of purlins at one web depth and then need to switch to another, the changeover is managed through the control interface without spending hours resetting the tooling. That flexibility is crucial for shops that handle a mix of job orders rather than long runs of a single size.

Roller quality is a big part of the performance. Each forming station is built with hardened steel rollers mounted on precision-ground shafts. The alignment is tight enough that you don't get twisting or camber in the finished profile. Purlins come off the line straight, which makes them easier to handle, store, and install on the jobsite.

We've built enough of these machines to know that reliability matters above all. The frame is constructed from heavy-gauge steel plate, welded and stress-relieved to prevent distortion over time. Bearings, motors, and drive systems are all specified for continuous industrial use, not intermittent light-duty cycles. This is the kind of machine you can run a full shift and not worry about breakdowns or quality drift.

The automatic cutting system is another feature worth noting. The flying shear operates in sync with line speed, so there's no need to stop the forming process between cuts. That means higher throughput and less waste, especially on longer production runs. The cut ends are clean, without burrs or deformation, so your purlins arrive on site ready to install.

We offer this machine in configurations that fit different shop setups. Whether you need a compact layout for a smaller facility or a full-length line with additional in-line punching stations, the design can be tailored to your floor space and production requirements. We've worked with fabricators who produce purlins for agricultural buildings, industrial warehouses, commercial structures, and residential framing projects.

Products Description

1. Automatic Size Adjustment System

Automatically adjusts W-profile height, flange width, and lip size

Supports quick changeovers between different purlin specifications

Reduces downtime and labor requirements, enhancing production efficiency

2. Heavy-Duty Roll Forming

Reinforced forming stands ensure consistent profile dimensions

High-precision rollers maintain smooth surfaces and straight edges

Suitable for long-span roof purlins and wall girts

3. Integrated Punching & Cutting

Hydraulic punching unit performs multi-row holes simultaneously

Flying cutting system ensures accurate cut lengths at high line speed

Synchronization with roll forming guarantees consistent production quality

4. Multi-Size W-Profile Production

Handles a wide range of W purlin sizes commonly used in steel structures

Ideal for prefabricated buildings, industrial roofs, and warehouse construction

High-Speed W Section Roll Forming Machine

Industrial W Purlin Roll Forming Equipment

Cutting System – Front Shearing & Flying Cutting Units

The cutting system of the Automatic W Purlin Roll Forming Machine is designed to ensure precise, efficient, and continuous production of W-profile purlins. It consists of the Front Shearing Unit (pre-cutting) and the Flying Cutting Unit (post-cutting), both fully integrated with the machine's PLC control system.

1. Front Shearing Unit (Pre-Cutting Section)

Function

Cuts incoming steel coil into precise starting lengths before entering the roll forming section

Ensures smooth material feed and reduces misalignment during forming

Key Features

Precision Cutting: Shears strips accurately for all standard W-profile sizes

Heavy-Duty Frame: Reinforced construction minimizes vibration and maintains stability

Hydraulic Operation: Dedicated hydraulic cylinder provides consistent shearing force, adjustable for steel thickness

PLC Integration: Automatically synchronized with line speed and batch program

Safety: Emergency stop, protective covers, and overload protection for operator safety

Benefits

Reduces material scrap and production errors

Improves forming efficiency and product consistency

Supports multi-size W-profile production without manual intervention

2. Flying Cutting Unit (Post-Cutting Section)

Function

Performs precise cutting of fully formed W purlins to the required lengths without stopping the line

Maintains high-speed production while ensuring cut accuracy

Key Features

High-Speed Cutting: Cuts W purlins on-the-fly at line speeds of 5–15 m/min

Hydraulic System: Ensures smooth cutting action and clean edges on 1.5–3.0 mm steel

Automatic Length Control: PLC-controlled measurement ensures consistent final product lengths

Synchronization: Integrated with roll forming speed and punching system to avoid misalignment

Durable Blades: Precision-ground blades with long service life, easy to replace and maintain

Safety Features: Protective covers and interlocks prevent accidents during operation

Benefits

Enables continuous high-speed production without stopping

Guarantees consistent profile lengths and minimizes material waste

Reduces operator labor and manual handling

Compatible with multiple W-profile sizes and custom batch programs

3. System Advantages

Seamless Integration: Front shearing and flying cutting units work together to optimize production flow

High Precision: Ensures uniform starting and ending lengths for all W-profile purlins

Reduced Downtime: Automatic operation reduces manual adjustments between batches

Flexible Production: Supports multi-size and custom W-profile requirements

Safe & Reliable: Hydraulic operation and PLC control ensure stable performance with maximum operator safety

This Integrated Cutting System is a key part of the Automatic W Purlin Roll Forming Machine, providing accuracy, speed, and efficiency for steel structure manufacturers, metal building contractors, and prefabricated building suppliers.

Steel structure buildings

Industrial workshops and warehouses

Prefabricated and modular buildings

Roof and wall framing systems

Agricultural buildings and storage facilities

The machine is suitable for contractors, EPC companies, and metal building manufacturers requiring consistent and efficient production of W-profile purlins.