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Steel drum expansion machine

    Steel drum expansion machine

    1. Hydraulic + PLC Control, Simple Operation: Hydraulic drive for expansion block extension and retraction, resulting in low impact and stable operation; Siemens PLC touchscreen allows for setting rib positions, quantity, and depth with one-button switching.
    2. Compatible with Multiple Specifications: Applicable to barrel diameters of φ350~600mm, barrel heights of 250~1000mm, and thicknesses of 0.5~1.5mm, handling 18L~250L barrels in one machine; supports single-sided/double-sided rib expansion.
    3. Excellent Forming Quality: Rigid segmented punch static extrusion produces full ring rib contours, adjustable height of 15~25mm, good barrel roundness, and significantly improved strength.
    4. Compact and Durable, Easy Maintenance: The entire machine weighs approximately 5 tons, occupying a small area; the expansion blocks are heat-treated for wear resistance, and the guide rails have centralized lubrication, requiring minimal daily maintenance.
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Product Overview

Our steel drum expansion machine is a dedicated and essential forming equipment specially engineered for metal barrel manufacturing lines, mainly applied for diameter expansion, rounding and shaping of welded steel drum bodies. It perfectly matches the post-weld forming procedure for industrial steel drums, chemical packaging barrels and daily storage barrels, helping manufacturers obtain standardized drum blanks with excellent structural performance.

Adopting mature hydraulic drive system and integrated automatic control module, this expander realizes full-process automatic operation including automatic feeding, precise positioning, uniform expansion and finished product unloading. The hydraulic system provides stable and adjustable expansion force to ensure even stress distribution on the drum body. It effectively solves common problems such as irregular 

roundness and uneven caliber caused by welding deformation, delivering drums with consistent wall thickness and smooth surface.

Designed for diversified production demands, the machine supports flexible adjustment to process steel drums with specifications from 10L to 

200L, covering open-top and closed-type metal barrels. Featuring high working efficiency of 5-10 pieces per minute, it is compatible with standalone use and collaborative operation with other flanging, seaming machines to form a complete steel drum production line.

Built with high-strength thickened steel frame and wear-resistant alloy mold parts, this equipment boasts sturdy structure, strong shock resistance and long service life. Additionally, it features energy-saving decompression design, simple operation and low maintenance cost. We provide one-stop technical support and after-sales service, making this cost-effective expansion machine your ideal choice to upgrade drum production and improve product competitiveness.

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Technical Specifications


ItemTechnical Parameters
Applicable Barrel Diameterφ350~600mm (standard φ560/571.5mm)
Applicable Barrel Height250~1000mm (standard 810~950mm)
Applicable Sheet Thickness0.5~1.5mm (selected models support up to 2.5mm)
Adjustable Rib Height15~25mm (stepless adjustment)
Hydraulic Working Pressure7~12MPa
Pneumatic Working Pressure0.3MPa
Production EfficiencyDouble-sided model: 400~600 pieces/hourSingle-sided model: 200 pieces/hour
Motor Power11kW~30kW (customized by model and barrel wall thickness)
Power Supply380V / 50Hz, 3-phase
Overall Dimensions (Approx.)4000×800×1600mm (L×W×H)
Machine Net Weight (Approx.)5000kg


Product Advantages

1. Hydraulic + PLC Control, Simple Operation: Hydraulic drive for expansion block extension and retraction, resulting in low impact and stable operation; Siemens PLC touchscreen allows for setting rib positions, quantity, and depth with one-button switching.

2. Compatible with Multiple Specifications: Applicable to barrel diameters of φ350~600mm, barrel heights of 250~1000mm, and thicknesses of 0.5~1.5mm, handling 18L~250L barrels in one machine; supports single-sided/double-sided rib expansion. 

3. Excellent Forming Quality: Rigid segmented punch static extrusion produces full ring rib contours, adjustable height of 15~25mm, good barrel roundness, and significantly improved strength.

4. Compact and Durable, Easy Maintenance: The entire machine weighs approximately 5 tons, occupying a small area; the expansion blocks are heat-treated for wear resistance, and the guide rails have centralized lubrication, requiring minimal daily maintenance.

Steel Drum Expansion Machine


Ministry of International Trade

Our professional foreign trade team boasts rich experience and in-depth knowledge of international business. We deliver efficient communication, on-time delivery and comprehensive after-sales support throughout the whole process. Dedicated to every detail, we strive to provide you with fully satisfactory services.

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Customer visit

The company has expanded into overseas markets, primarily in Germany, the UK, France, the Netherlands, Japan, South Korea, India, the US, Brazil, Mexico, and developing countries in Africa. The company has earned the trust and favor of a wide range of customers through its high-quality products, first-class service, and affordable prices.

Steel Drum Expansion Machine






Steel Drum Expansion Machine

Steel Drum Expansion Machine is a specialized industrial processing equipment dedicated to the manufacturing and reconditioning of metal steel drums, widely applied in metal packaging, container production and waste drum recycling industries. As a core device in steel drum fabrication lines, it mainly performs radial expansion and shaping on drum bodies to standardize drum diameter, eliminate deformation and ensure uniform structural dimensions. This machine is engineered to handle carbon steel drums of different specifications, delivering stable mechanical force to expand drum shells evenly without causing cracks, dents or material damage. It works seamlessly with other production units such as drum forming machines, seaming machines and painting lines, forming a complete automated workflow for new drum production. Meanwhile, it also serves as essential gear for repairing used steel drums, restoring distorted drum bodies to qualified shapes for secondary utilization.

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Designed with robust mechanical structures and precision transmission systems, modern Steel Drum Expansion Machines feature high rigidity, strong load capacity and reliable running stability. The main frame adopts thickened steel welding structure to resist long-term cyclic mechanical stress and vibration. Equipped with adjustable expansion modules and hydraulic or pneumatic drive systems, the equipment allows operators to set expansion range and working pressure according to drum sizes and material thickness. Its precision positioning mechanism guarantees consistent expansion effect across all drum workpieces, keeping dimensional tolerance within industrial standards. Key moving parts are processed with anti-wear and anti-rust treatments, which extend service life and reduce frequent maintenance. Intelligent control panels simplify parameter adjustment and operation, enabling both manual single-piece processing and continuous automatic batch production.

This type of equipment enjoys extensive application scenarios across multiple industrial sectors. New steel drums processed by expansion machines are commonly used for storing and transporting chemicals, petroleum products, lubricants, paints and industrial raw materials. They are indispensable packaging containers in chemical plants, oil depots, logistics enterprises and manufacturing factories. In the resource recycling field, the machine repairs waste and deformed steel drums, improving recycling efficiency and lowering production costs for recycling enterprises. In addition, it is widely deployed in metal container processing workshops, machinery manufacturing bases and industrial park production lines. With flexible compatibility for multiple drum specifications, it can meet the diversified production demands of small workshops and large-scale automated factories alike.

Standard operation and regular maintenance play decisive roles in keeping Steel Drum Expansion Machine running efficiently and safely. Before startup, operators should inspect the transmission components, hydraulic systems and clamping fixtures to check for loose parts, oil leakage or abnormal wear. Workpieces must be placed correctly to ensure stable clamping before starting the expansion process, and overloading is strictly prohibited to avoid equipment failure and safety accidents. After daily work, clean the machine surface and processing area to remove metal scraps and dust. Conduct periodic lubrication for bearings, guide rails and transmission parts, and test the accuracy of expansion modules regularly. Timely troubleshooting of minor faults can prevent major shutdowns. Proper use and maintenance not only maintain stable product quality but also prolong the equipment’s service life and reduce overall operational expenses for production lines.


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