The Double-Head Automatic Tank Polishing Machine is a high-end CNC equipment specifically developed for the intelligent finishing of medium to large-scale tanks. With a processing range of Ø500-5000mm (expandable to 6000mm), it features a collaborative dual-head system, a dual-axis intelligent frequency drive platform, and a heavy-duty roller structure to achieve fullyautomated, high-consistency, and continuous polishing.
1.Product Overview
The Double-Head Automatic Tank Polishing Machine is a high end CNC equipment specificaly developed for the nteligent fnishing ofmedium to large-scale tanksWit a processing range of Ø500-5000mm (expandable to 6000mm), t teatures a colaborative dual-head system, a dual axis inellgent requency drive platorm, and aheavy-duty roller structure to achieve fully automated, high-consistency, and continuous polishing.
Standard Configuration:
5.5kW High-Torque Spindle System
Dual-Inverter Synchronous Drive System
Intelligent PLC Control + HMI (Human-Machine Interface)
Heavy-Duty Load-Bearing Roller Station
Modular Quick-Change Abrasive System
Applications: Widely used in chemical equipment, food engnering, shipulding, eneryy, and LNG sectors for automatc weld grinding, unform miror polishing, and continuous finishing of internal and external walls
Core Philosophy: "Minimize manual intervention, Maximize processing consistency."
2.Core Advantages (Automation Highlights)
2.1 Fully Automatic Collaborative Polishing
Synchronized operation of dual polishing heads.
Automatic linkage between beam feed and roller rotation.
Synchronization error < 0.5%.
Constant Pressure Mode: Reduces manual adjustments, ensuring high efficiency and surface uniformity.
2.2 High-Torque Intelligent Spindle System
5.5kW secondary high-speed motor with a rated torque of 35N*m
Stable operation at low speeds down to 500rpm without vibration.
Supports continuous heavy-load tasks with constant force cutting for uniform surface texture.
2.3 Intelligent Control Platform (Industrial Automation Architecture)
PID closed-loop speed control and overload protection.
One-Touch Start: Simplifies operation; includes remote diagnostic interfaces
Recipe Management Allows standardzed storage of process parameters for diferent polishing stages, reducing rellance on operator experience.
2.4 Energy-Efficient Design
Total power is only 8kW, saving approximately 40% energy compared to traditional equipment.
Automatic standby mode and modular structure for low-cost, rapid maintenance.
2.5 Modular Scalability
Optional: Automatic tool changer and dust collection systems.
Upgradable: Roller load capacity up to 20 tons
Integration: Ready for full production line synchronization
3.Technical Parameters & Capabilities
| Parameter Category | Technical Specifications |
| Processing Range | Ø500-5000mm (Expandable to 6000mm) |
| Power System | Total 8kW; 5.5kW Motor (35N-m Rated Torque) |
| Control System | PLC + Dual-Axis Inverter Synchronous Drive |
| Speed Range | 1-20rpm (Stepless Adjustment) |
| Abrasive System | Modular Quick-Change System |
| Surface Precision | Ra ≤ 0.4um |
| Efficiency | 8 ㎡/hour (Continuous Mirror Finish |
| Roller Load | Standard 2T (Upgradable to 20T) |
4. Industrial Application Scenarios
Chemical: Automatic mirror polishing for 50m2 large reaction tanks.
Food Grade: Internal weld treatment for p4800mm stainless steel tanks.
Marine: Surface finishing for ballast and storage tanks.
Energy/LNG: Continuous precision grinding for gas storage vessel welds
5.Service & Quality Assurance
ISO9001 Certified Quality Management.
Free sample testing and trial runs.
1-year warranty on core components with lifelong technical support.
6.Value Summary
Compared to manual or semi-automatic methods, this equipment delivers:
30-50% Reduction in labor costs.
Significant improvement in Product Consistency.
Stable and controllable Production Cycles.
Seamless integration into Smart Factories.

