Industry
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Jasung Gearless Motor Pulley Used in Coal Mine
Project Overview
| Equipment | Mining Explosion-Proof Three-Phase PMDD Pulley |
| Model | FTYB22-4.0-500×1000 |
| User | Pingdingshan Tian'an Guiye Co., Ltd. |
| Location | Coal Building Conveyor System |
| Commissioning | July 2019 – Present |
Challenge & Solution Pre-Installation Issues
• Low transmission efficiency due to gearbox/hydraulic coupling losses.
• Frequent maintenance and high failure rates in explosive methane environments.
• Limited space for bulky traditional drive systems.
Our Solution
Deployed FTYB22-4.0-500×1000 PMDD Pulley with:
• Integrated Permanent Magnet Direct Drive (PMDD) – Eliminated gearbox/couplings.
• MA Explosion-Proof Design– Certified for coal dust/methane environments.
• Compact Air-Cooled System– Space-saving and easy installation.
Performance Results
| Metric | Improvement |
| Transmission Efficiency | ↑ 18% (vs. traditional gearbox systems) |
| Energy Savings | Significant cost reduction (ROI < 1 year) |
| Installation Space | ↓ 60% footprint reduction |
| Starting Torque | 2× rated torque (full-load startup) |
| Maintenance | ↓ 70% workload; near-zero failures |
Operational Benefits
• Reliability: Stable operation since 2019 with minimal downtime.
• Automation Integration: Enabled centralized control, advancing mine intelligence.
Onsite video
• Labor Impact: Reduced worker intensity and safety risks.
Customer Testimonial
"The PMDD pulley solved our efficiency and maintenance challenges. Its explosion-proof design ensures compliance, while the 18% energy savings exceeded expectations."
— Tenth Mine Maintenance Manager
Related Industries
Tel: +86-400-686-9980
Address: No. 108, Changtang Road, Wujin District, Changzhou, Jiangsu, China