I. Equipment Introduction
The rack beam (C-section interlocking beam) forming machine is specialized cold-roll forming equipment designed for the production of warehouse rack beams (horizontal load-bearing components). As the critical component that directly supports the load within a racking system, the beam's load-bearing capacity and structural strength are decisive factors for the rack's safety and service life.
This equipment utilizes a unique process that integrates forming with in-line interlocking: steel strip is first cold-rolled into two symmetrical C-shaped profiles, which are then joined face-to-face and compressed by an interlocking mechanism to create the finished beam. The production line integrates multiple processes—including uncoiling, leveling, cold-roll forming, in-line interlocking, and cut-to-length operations—truly enabling "one-person, one-machine" operation and "one-touch" production.
The C-section interlocking beam is created by automatically pressing and rolling two C-shaped steel profiles together face-to-face. This interlocking design doubles the thickness of the beam's top and bottom surfaces; based on steel structure design principles, this configuration maximizes the material's load-bearing potential. Compared to traditional single-profile or square-tube beams, interlocking beams offer superior load-bearing capacity for the same weight and require less material to achieve the same load-bearing performance.
The equipment is compatible with various raw materials, including cold-rolled coils, galvanized coils, and high-strength steel. It accommodates material thicknesses ranging from 1.2 mm to 2.0 mm and offers customizable widths, meeting the production requirements for the full spectrum of light-, medium-, and heavy-duty rack beams.
II. Core Advantages and Selling Points
1. Dual-profile interlocking design for doubled load-bearing capacity
Two C-shaped steel profiles are interlocked face-to-face, effectively doubling the thickness of the top and bottom sections.
Maximizes material load-bearing capacity while offering the benefits of light weight, high strength, and low cost.
The interlocking box-beam structure ensures stability and reliability, with excellent performance regarding distributed loads and minimal deflection.
Maximum load capacity reaches 5,000 kg per level, meeting heavy-duty storage requirements.
2. Lightweight design for lower overall costs
Achieves superior load-bearing capacity with lighter materials, maximizing material utilization efficiency.
The lightweight interlocking beam reduces the overall load on the racking system, thereby lowering investment costs for uprights and foundations.
Compared to traditional square tube beams or welded beams, it saves 15%–25% in material usage for the same load-bearing capacity.
3. Inline interlocking with highly integrated processing
After the two C-shaped profiles are formed separately, they are automatically interlocked by an inline flipping and joining unit.
The interlocking process is fully automated, requiring no manual assembly assistance.
The entire process—from coil uncoiling to the finished product—is completed in a single pass, reducing material handling between stages and shortening production cycles.
4. High-precision forming for consistent quality
Utilizes a multi-stage progressive cold-roll forming process, ensuring high dimensional accuracy and superior surface quality.
Rollers are made of GCr15 or Cr12MoV steel, treated with vacuum quenching and cryogenic processing to achieve a hardness of HRC 58–62 and excellent wear resistance.
Features 18–22 forming stages to ensure complex cross-sections are formed accurately in a single pass.
Stable equipment performance with minimal auxiliary production time.
5. Versatile, flexible production
A single production line can manufacture interlocking beams in various specifications.
Beam profiles can be customized in width, height, and thickness to suit different load-bearing requirements.
Ideally suited for rapid production switching between orders involving multiple product varieties and specifications.
Optional features such as punching, embossing, and welding are available to meet diverse needs.
6. Intelligent control, easy operation
Fully automated PLC control with a touchscreen HMI; parameter settings are intuitive and convenient
The entire line performs multiple functions in-line and can be operated by a single person
Automatic fault diagnosis and alarms facilitate rapid troubleshooting and maintenance
Significantly reduces the skill requirements for operators
7. Robust, durable, stable, and reliable
The forming machine frame features high rigidity and excellent resistance to deformation
Worm gear transmission ensures smooth operation and low noise levels
Key electrical components utilize internationally renowned brands such as Siemens (PLC) and Schneider Electric
Capable of continuous, high-load operation over extended periods; long service life
III. Technical Parameters
Item Parameter
Applicable materials: Cold-rolled coils, galvanized coils, high-strength steel
Material thickness: 1.2–2.0 mm (customizable)
Material width: Customized according to customer requirements
"Clamshell" beam specifications: Customized according to customer drawings
Forming stations: 18–22 stations
Forming speed: 0–15 m/min (customizable)
Roller material GCr15 / Cr12MoV, HRC 58–62
Drive system: Worm gear reducer drive
Motor Siemens
Electrical control: Fully automatic PLC control system
Operators 1 person
IV. Production Process
Uncoiling & Feeding → Guiding & In-feeding → Cold Roll Forming → In-line Clamping/Joining → Cut-to-Length → Finished Product Discharge
Process Step Description
Uncoiling & Feeding: A hydraulic or umbrella-type uncoiler supports the steel strip coil
Guiding & In-feeding: Automatic strip guiding and alignment to ensure smooth feeding of strips of varying widths
Cold Roll Forming: Progressive cold roll forming through multiple passes
In-line Clamping/Joining: Two C-profiles are automatically interlocked face-to-face and clamped tight by a turnover and joining unit
Cut-to-Length: Automatic length measurement and cutting (via hydraulic shear or saw); high precision and clean cuts
Finished Product Discharge: Discharge of finished products; smooth, continuous line operation
V. Application Areas
The beam products manufactured by the C-profile interlocking beam forming machine are widely used in various warehouse racking systems:
Heavy-duty warehouse racking (beam-type racking)
Also known as pallet racking or unit-load racking, this is the most widely used type of warehouse racking system. C-profile interlocking beams are the mainstream choice for heavy-duty racking beams, offering high load-bearing capacity and structural stability.
E-commerce logistics centers: Meeting the need for efficient storage and retrieval of massive inventories, the high load-bearing characteristics of interlocking beams ensure rack stability and safety.
Manufacturing warehouses: Storage of raw materials and finished goods for various factories—high-capacity racking systems designed for heavy loads.
Pallet racking: Used for storing palletized unit loads; widely applied in logistics, manufacturing, retail, and other sectors.
Cantilever racking / Modular racking / Mobile racking: Interlocking beam profiles are installed on the sides of the racks to share the load with the uprights, meeting diverse loading requirements.
Supermarkets and shopping malls: Light- to medium-duty racking systems for merchandise display and product arrangement.
Cold chain storage: Cold storage facilities and low-temperature environments—weather-resistant materials meet the demands of specialized environments.
Data centers: Cable management and equipment support in server rooms.
VI. Service & Support
Solution Design: Personalized equipment selection and production line layout based on customer product drawings, capacity requirements, and target markets.
Custom Manufacturing: Support for non-standard customization, with full control over the entire process—from roll design to complete line manufacturing.
Installation & Commissioning: On-site installation, commissioning, and operator training provided by engineers to ensure rapid production startup.
After-Sales Support: Long-term technical consultation and spare parts supply; engineers hold valid visas and are available for on-site service worldwide at any time.
Continuous Optimization: Equipment modification and capacity upgrade services available to adapt to changing production needs.
VII. Why Choose Us
Nearly 20 years of manufacturing experience: Mature technology, refined processes, and reliable quality.
Specialized expertise in "clamshell" (split-profile) beam production: Deep understanding of the complexities and technical nuances involved; proven capabilities in dual-section forming and in-line joining/clamping technology.
Direct manufacturer: No middlemen, offering excellent value for money.
Strong custom engineering capabilities: Ability to design a wide range of complex cold-roll forming lines tailored to specific customer requirements.
Global service network: Engineers hold necessary visas and provide rapid response.
Market-proven: Products exported to numerous countries and regions worldwide.