
The TD75 Belt Conveyor Drive Pulley is a critical component designed for robust performance in mining machinery. Engineered for durability and efficiency, this drive pulley is part of the TD75 conveyor system, a standardized belt conveyor type finalized in 1975, widely used in industries such as metallurgy, mining, ports, and building materials. Its reliability, cost-effectiveness, and low maintenance make it a preferred choice for bulk material handling in demanding environments. This product page provides a comprehensive overview of the TD75 drive pulley's specifications, features, applications, and benefits, tailored to help mining professionals optimize their conveyor systems.
Why Choose the TD75 Drive Pulley?
Industry-Proven Design: Based on the TD75 standard, ensuring compatibility and reliability.
High Performance: Optimized for heavy-duty mining operations, handling bulk materials like coal, ore, and aggregates.
Cost-Effective: Simple design reduces maintenance costs and downtime.
SEO Keyword Focus: TD75 belt conveyor, drive pulley, mining machinery, conveyor components.
Unit: mm| B | D | A | L | L1 | L2 | K | M | N | Q | P | H | h | h1 | d | b | ds | Bearing model | Allowable torque (kg/mm) | Drawing No | |||
| Smooth surface | Adhesive surface | Smooth surface | Casting glue | Coated with adhesive | ||||||||||||||||||
| 500 | 500 | 850 | 600 | 1097 | 505.5 | 115 | 70 | — | 280 | 340 | 100 | 33 | 60 | 55 | 16 | 27 | 1312 | 16300 | 25000 | TD1A13 | TD1A23 | TD1A33 |
| 650 | 500 | 1000 | 750 | 1280 | 588.5 | 135 | 90 | — | 350 | 410 | 120 | 33 | 76 | 70 | 20 | 1316 | 21200 | 32600 | TD2A13 | TD2A23 | TD2A33 | |
| 630 | 29600 | 45400 | TD2A14 | TD2A24 | TD2A34 | |||||||||||||||||
| 800 | 500 | 1300 | 950 | 1580 | 738.5 | 135 | 90 | — | 350 | 410 | 120 | 33 | 76 | 70 | 20 | 1316 | 26200 | 40100 | TD3A13 | TD3A23 | TD3A33 | |
| 630 | 1661 | 771 | 175 | 130 | 80 | 380 | 460 | 140 | 33 | 97 | 90 | 24 | 3520 | 36700 | 56100 | TD3A14 | TD3A24 | TD3A34 | ||||
| 800 | 55900 | 85500 | TD3A15 | TD3A25 | TD3A35 | |||||||||||||||||
| 1000 | 630 | 1500 | 1150 | 1861 | 871 | 175 | 130 | 80 | 380 | 460 | 140 | 33 | 97 | 90 | 24 | 3520 | 45700 | 70100 | TD4A14 | TD4A24 | TD4A34 | |
| 800 | 1945 | 900 | 215 | 160 | 90 | 440 | 530 | 160 | 53 | 119 | 110 | 32 | 34 | 3524 | 69600 | 106800 | TD4A15 | TD4A25 | TD4A35 | |||
| 1000 | 2020 | 930 | 255 | 170 | 100 | 480 | 570 | 180 | 53 | 140 | 130 | 36 | 3528 | 177500 | — | TD4A26 | TD4A36 | |||||
| 1200 | 630 | 1750 | 1400 | 2195 | 1025 | 215 | 160 | 90 | 440 | 530 | 160 | 53 | 119 | 110 | 32 | 3524 | 54900 | 84000 | TD5A14 | TD5A24 | TD5A34 | |
| 800 | 83700 | 128100 | TD5A15 | TD5A25 | TD5A35 | |||||||||||||||||
| 1000 | 2270 | 1055 | 255 | 170 | 100 | 480 | 570 | 180 | 53 | 140 | 130 | 36 | 3528 | 213000 | — | TD5A26 | TD5A36 | |||||
| 1250 | 2305 | 1065 | 275 | 180 | 110 | 540 | 630 | 200 | 63 | 161 | 150 | 40 | 3532 | 300000 | — | TD5A27 | TD5A37 | |||||
| 1400 | 800 | 2000 | 1600 | 2445 | 1150 | 215 | 160 | 90 | 440 | 530 | 160 | 53 | 119 | 110 | 32 | 3524 | 97600 | 149200 | TD6A15 | TD6A25 | TD6A35 | |
| 1000 | 2555 | 1190 | 275 | 180 | 110 | 540 | 630 | 200 | 63 | 161 | 150 | 40 | 3532 | 249250 | — | TD6A26 | TD6A36 | |||||
| 1250 | 350000 | — | TD6A27 | TD6A37 | ||||||||||||||||||
| 1400 | 2635 | 1200 | 335 | 200 | 120 | 590 | 680 | 220 | 63 | 181 | 170 | 40 | 3536 | 470000 | — | TD6A28 | TD6A38 | |||||
The TD75 Drive Pulley is designed with features that ensure durability, efficiency, and adaptability in mining operations. Below are its standout features:
Robust Construction
Constructed from high-strength steel (Q235 or equivalent) or corrosion-resistant composites to endure harsh mining conditions.
Reinforced shaft and shell withstand high torque and heavy loads.
Customizable Lagging
Options for rubber lagging (smooth or patterned) for general applications or ceramic lagging for high-abrasion environments.
Enhances belt grip, reducing slippage and extending belt lifespan.
Precision Engineering
Balanced design minimizes vibration for smooth operation.
Precision-machined surfaces reduce wear on both pulley and belt.
High Torque Capacity
Supports heavy-duty applications with consistent power transmission.
Compatible with electric motors, gearboxes, and variable frequency drives (VFDs).
Low Maintenance Design
Simplified structure enables easy inspection and component replacement.
Sealed, heavy-duty bearings reduce lubrication frequency.
Environmental Adaptability
Performs reliably in extreme conditions, including high dust, moisture, and temperature fluctuations.
Optional anti-corrosion coatings for coastal or humid environments.
Standards Compliance
Meets TD75 specifications and international mining safety standards (e.g., ISO 9001).
Rigorously tested for durability and performance in real-world conditions.
Proper installation ensures the TD75 Drive Pulley delivers optimal performance and longevity. Follow these steps for a successful setup:
Pre-Installation Preparation
Confirm pulley specifications (diameter, shaft size, lagging type) match your conveyor system.
Inspect the conveyor frame for alignment and structural integrity.
Alignment
Use precision tools to align the pulley with the conveyor frame, preventing belt tracking issues.
Ensure the pulley is perpendicular to the belt path to avoid uneven wear.
Belt Tensioning
Adjust the tail pulley or take-up system to achieve optimal belt tension.
Calculate tension using:[ T = \frac{P_p \cdot 1000}{v} ] where (T) is belt tension (N), (P_p) is power (kW), and (v) is belt speed (m/s).
Lagging Application
Ensure lagging is securely bonded to the pulley surface.
For replacement, remove old lagging completely before applying new material.
Motor and Gearbox Integration
Match motor and gearbox to the calculated torque:[ Tq = F \cdot r ] where (Tq) is torque (Nm), (F) is belt pull force (N), and (r) is pulley radius (m).
Use a VFD for precise speed control.
Final Checks
Verify alignment, tension, and secure mounting.
Test the conveyor at low speed before full-load operation.
Engage trained technicians to comply with safety standards.
Document installation parameters for future reference.
Contact us for expert installation support.
Regular maintenance extends the TD75 Drive Pulley’s lifespan and ensures consistent performance:
Inspections: Check lagging, shaft, and bearings every 3-6 months for wear.
Lubrication: Apply grease to bearings as recommended to minimize friction.
Belt Cleaning: Use belt scrapers to prevent material buildup on the pulley.
Tension Monitoring: Regularly verify belt tension to avoid slippage or strain.
Spare Parts: Use OEM parts compliant with TD75 standards for repairs.


| Roller type | Speed (m/s) | Belt width(mm) | Roller type | Speed (m/s) | Belt width(mm) | ||||||||||
| 500 | 650 | 800 | 1000 | 1200 | 1400 | 500 | 650 | 800 | 1000 | 1200 | 1400 | ||||
| Capacity Q(t/h) | Capacity Q(t/h) | ||||||||||||||
| Trough roller | 0.8 | 78 | 131 | ― | ― | ― | ― | Parallel roller | 0.8 | 41 | 67 | 118 | ― | ― | ― |
| 1 | 97 | 164 | 278 | 435 | 655 | 891 | 1 | 52 | 88 | 147 | 230 | 345 | 469 | ||
| 1.25 |
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