In modern sand and aggregate production lines, coal grinding machines play a critical role in processing raw materials. The pulley system, as a core transmission component, ensures efficient power transfer between motors and grinding equipment. Our heavy-duty pulleys are designed for continuous operation in harsh environments.

| Model | Diameter (mm) | Belt Type | Max Speed (rpm) |
|---|---|---|---|
| CGP-500 | 500 | V-belt | 980 |
| CGP-800 | 800 | Flat belt | 750 |
| CGP-1200 | 1200 | Timing belt |
A complete sand/aggregate processing line typically includes:
1. Primary crusher (jaw/impact type)
2. Secondary grinding with coal pulverizer
3. Vibrating screen with multi-layer decks
4. Sand washer and fines recovery system
5. Conveyor network with customized pulleys

Q: How often should pulley bearings be lubricated?
A: Every 400 operating hours or monthly inspection
Q: What’s the typical service life of grinding machine pulleys?
A: 3-5 years with proper maintenance
Q: Can existing pulleys be retrofitted for higher capacity?
A: Yes, through precision machining and balance testing
Location: Texas limestone quarry
Solution: Installed CGP-800 pulleys on 3 grinding units
Result: Achieved 25% energy saving compared to old pulley system
Throughput: Increased from 150tph to 190tph after upgrade