Cold roll forming technology supports mass production across the construction and industrial sectors with high efficiency, continuous operation, and stable accuracy.

The machine itself matters, but human operation ultimately determines the line's success. Factors like ease of use, quick changeover, and material adaptability decide whether a production line delivers its full potential.

ThisSlotted Strut Channel Roll Forming Machineexcels in two critical areas: operational simplicity and material flexibility. The control computer stores product recipes, allowing operators to start production with one touch. The manual decoiler features an adjustable inner diameter to fit various coil sizes. These two configurations solve the most common production headaches: high operator skill requirements and poor material adaptability.

Application Areas

This machine produces Slotted Strut Channels, also known as Bridging Bars. These components play a critical connecting role in light gauge steel structures.

Finished products from this line include:

• Standard bridging bars (63.5mm and 92mm widths, 406mm and 610mm lengths)
• Bridging bars with anti-slip knurling on the web
• Custom bars with different hole patterns

These products serve a wide range of construction applications:

• Parallel connections between floor joists and roof trusses in light gauge steel buildings
• Top fixing supports for interior non load bearing walls
• Lateral bracing and spacing positioning for cold formed thin walled steel frames
• Connections for prefabricated building components requiring rapid installation

Technical Specifications

Production Process

The complete production line operates with clear and continuous logic.

Step 1: Loading.The operator lifts the galvanized steel coil onto the manual decoiler, adjusts the expanding mechanism to secure the coil's inner ring, and guides the strip into the entry guide table.

Step 2: Forming.The strip passes through 12 roller stations on the main machine for progressive cold roll forming. Each roller station contributes a small portion of the total deformation. The flat strip gradually transforms into a bridging bar section with knurling on the web.

Step 3: Punching and Shearing.The formed bar moves forward continuously. A measuring wheel provides real time length feedback. The PLC controls the punching and shearing actions based on the preset recipe. These operations complete at full speed without stopping the line.

Step 4: Collection.Finished bridging bars exit the shear station. Operators collect each piece at the manual receiving table while visually inspecting surface quality and hole position accuracy.

Technical Advantages

Recipe Based Changeover

The control computer stores recipes for multiple bar specifications. Operators select the desired size on the screen, and the PLC loads all corresponding parameters automatically. No programming knowledge or data memorization is required.

Illustrated Manual

Every machine includes a detailed operation manual covering installation, setup, daily operation, maintenance, and troubleshooting. Clear diagrams and step by step instructions enable new workers to start production without relying on experienced supervisors.

Adjustable Inner Diameter

The manual decoiler uses an adjustable expanding mechanism with an inner diameter range of 450mm to 550mm, accommodating most standard coils on the market. Operators expand or release the mechanism by hand without special tools.

Passive Uncoiling

The decoiler operates in passive mode, with the main machine pulling the strip forward. Strip tension adjusts naturally with line speed changes. This design prevents the tension problems common with powered decoilers and reduces the risk of stretching thin sheets.

Portal Frame with Gear Drive

The main machine features a portal frame constructed from welded square tubes. This rigid structure effectively dampens vibration during high speed punching and shearing. The closed gearbox transmission eliminates the chain stretching issues found in chain driven systems. Each roller maintains precise angular correlation, ensuring long term hole position stability.

Customization Capabilities

Beyond standard specifications, the equipment supports multiple customization options:

• Different cross section profiles (roller sets designed according to customer drawings)
• Various hole positions and diameters for punching patterns
• Custom knurling patterns on the web
• Special length settings (added as new recipes in the control computer)
• Shared production of other cold formed profiles (with roller set replacement)

Durability and Reliability

The Slotted Strut Channel Roll Forming Machine incorporates several design features for long term operational stability.

The rollers use GCr12 bearing steel with heat treatment and hard chrome plated polishing. This combination delivers excellent wear resistance and extended service life. The main shafts use 45# steel with tempering treatment, providing both hardness for wear resistance and toughness for impact loads. The shear blades use Cr12 die steel with full quenching treatment, achieving high hardness, clean cuts, and good wear resistance.

Each machine comes with a maintenance tool set and spare gears for routine maintenance and emergency replacement. The operation manual includes blade sharpening parameters and gear specifications, allowing local procurement or machining of replacement parts.

Quality Assurance

Every machine undergoes complete assembly, debugging, and no load running tests before shipment. Each unit includes a detailed operation manual with installation guidance, operating procedures, maintenance schedules, and troubleshooting guides.

For width changeover operations requiring roller spacer adjustment, we provide demonstration videos to help operators understand the steps visually.

This Slotted Strut Channel Roll Forming Machine prioritizes operational simplicity and material flexibility. The recipe control system and adjustable decoiler solve the most common daily production challenges. It avoids unnecessary feature stacking and focuses on making production smoother and operator tasks easier.

Contact: Elliot liu

Email: [email protected]

WhatsApp: 008615127728988