Automatic Stone Polishing Line | Mirror Finish

Granite Polishing Machine Line

ZDMJ-12D / ZDMJ-16D / ZDMJ-20D Series

Achieve Mirror-Like Finishes with Ruisheng's Automated Polishing Line

Achieving a flawless, mirror-like finish on hard granite requires precision engineering and the right abrasives. The Ruisheng ZDMJ Series Polishing Line utilizes advanced resin bond grinding discs to deliver superior surface quality while extending abrasive life. Engineered for continuous 24/7 operation, this automated line minimizes labor costs and eliminates the inconsistencies of manual polishing. Available in 12, 16, and 20-head configurations, it offers a scalable solution for stone factories aiming for industrial-grade efficiency.

Key Features & Benefits

1. Multiple Configurations for Maximum Throughput

Choose the perfect model based on your production scale:

ZDMJ-12D:​ 12 abrasives, ideal for standard workshops.

ZDMJ-16D:​ 16 abrasives, the versatile workhorse for growing factories.

ZDMJ-20D:​ 20 abrasives, the ultimate solution for massive industrial output.

2. High-Efficiency Resin Disc Grinding

Equipped with 200mm diameter grinding discs​ and powerful 7.5kW polishing head motors, the machine ensures aggressive stock removal and high-gloss finishing. The system is optimized for resin abrasives, delivering consistent quality across the entire slab.

3. Intelligent Automation & Monitoring

Features a user-friendly Human-Machine Interface (HMI)​ and a centralized Electric Box​ for precise PLC control. The integrated Plate Shaped Monitoring Device​ automatically detects slab thickness variations (10-60mm) to adjust grinding pressure in real-time, preventing damage and ensuring uniform flatness.

4. Heavy-Duty & Reliable Design

Built for 24/7 industrial use, the machine features a robust frame with weights ranging from 11,000 kg to 17,000 kg, effectively minimizing vibration. Key components include a high-quality Reduction Gear, a powerful Electrical Unit, and an Automatic Lubrication System​ to ensure long-term reliability and reduce manual maintenance.

5. Clean & Adjustable Operation

An integrated Cleaning Brush​ system removes slurry effectively, while the conveyor belt speed is fully adjustable from 0-4 m/min, allowing operators to optimize cycle times based on stone hardness and desired finish levels.

Technical Specifications

Applications

1. Granite Slab Polishing:​ Delivering high-gloss, mirror-like finishes on standard and exotic granite.
2. Stone Surface Refinement:​ Final finishing of sawn or calibrated stone slabs.
3. Industrial Stone Processing:​ High-volume production lines for large-scale stone yards.

Why Choose Ruisheng Polishing Lines?

1. Superior Finish Quality:​ Advanced plate monitoring ensures flat, consistent polishing.
2. Scalable Production:​ From 12 to 20 heads to match your exact factory output needs.
3. Reduced Downtime:​ Automatic lubrication and IoT-ready electric controls keep your line running.

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