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Help CenterBall Mill Gearbox ZD Series With 20:1 Ratio and 2000 Nm Torque for Continuous Operation
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Welcome to Jiangsu Manqi Machinery Co., Ltd., a trusted manufacturer based in Suzhou, China, with a factory spanning 10,000–30,000 square meters and a dedicated team of 11–50 professionals. Since our establishment in 2017, we have focused on delivering robust power transmission solutions for industrial applications. Our Ball Mill Gearbox ZD Series with 20:1 Ratio and 2000 Nm Torque is engineered for continuous operation in demanding environments, providing reliable performance and long service life. This gearbox is designed to meet the rigorous needs of ball mill drives, offering precise speed reduction and high torque output for grinding processes.
The ZD Series gearbox features a helical gear design that ensures smooth and efficient power transmission. With a fixed reduction ratio of 20:1, it consistently delivers an output speed of 75 RPM when powered by a standard 1500 RPM motor. The rated torque of 2000 Nm enables the gearbox to handle heavy loads typical in ball mill operations, while its continuous-duty rating guarantees uninterrupted performance over extended periods.
- Durable Construction – Made from high-quality alloy steel, the gears are carburized and hardened for superior wear resistance and fatigue strength.
- Optimized Lubrication – Oil splash lubrication system ensures all moving parts remain adequately lubricated, reducing friction and heat generation.
- Compact Foot-mounted Design – Easy to install and integrate with existing ball mill machinery, saving valuable floor space.
- High Efficiency – Helical gear profile achieves transmission efficiency above 95%, minimizing energy losses.
- Quiet Operation – Precision-ground gears and optimized meshing reduce noise and vibration, improving working conditions.
- Customizable Options – Input shaft arrangement, mounting orientation, and output shaft extension can be tailored per customer requirements.
| Parameter | Value |
|---|---|
| Rated Power (at 1500 RPM input) | ~15 kW (estimated) |
| Input Speed Range | 750 – 1500 RPM |
| Output Speed (at 1500 RPM input) | 75 RPM |
| Rated Torque | 2000 Nm |
| Gearbox Efficiency | ≥ 95% |
| Lubrication Type | Oil splash |
| Housing Material | High-strength cast iron |
| Operating Temperature Range | -10°C to +60°C |
The ZD Series gearbox is specifically engineered for ball mill applications where steady torque and reliable speed reduction are critical. Its robust construction ensures minimal maintenance downtime, and the continuous-duty rating means it can run 24/7 without overheating or performance degradation. Compared to belt drives or other gearbox types, this helical gearbox offers better alignment, higher torque capacity, and longer service intervals.
Frequently Asked Questions
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Q: What is the expected service life of this gearbox?
A: With proper lubrication and maintenance, the ZD Series gearbox can operate for over 10 years in continuous ball mill service. Regular oil changes and bearing inspections are recommended. -
Q: Can the gearbox be used with motors of different speeds?
A: Yes, the gearbox accepts input speeds from 750 to 1500 RPM. The output speed will vary proportionally; for example, at 1200 RPM input, output speed becomes 60 RPM. Torque remains within the rated limit when input power is adjusted. -
Q: Is the gearbox suitable for reversing operation?
A: The gearbox is designed for unidirectional continuous operation. If reversing is required, please contact our engineering team for customization options. -
Q: What type of oil should be used?
A: We recommend using ISO VG 320 or 460 industrial gear oil. The exact specification can be provided in the user manual upon purchase. -
Q: Does the gearbox come with a warranty?
A: Yes, we offer a 12-month warranty from the date of shipment against manufacturing defects. Extended warranty options are available upon request. -
Q: Can the output shaft be customized?
A: Absolutely. We can provide different shaft diameters, keyways, and flange configurations. Please discuss your specific requirements with our sales team. -
Q: How does the gearbox handle dust and moisture in a ball mill environment?
A: The housing features double-lip seals and optional breather valves to protect against contaminants. For extremely dusty conditions, we recommend adding a dust cover (available as an accessory). -
Q: What is the typical lead time?
A: For standard specifications, lead time is 25–35 days after order confirmation. Custom orders may require 40–50 days depending on complexity.
At Jiangsu Manqi Machinery Co., Ltd., we take pride in our manufacturing capabilities and customer-centric approach. Our experienced team ensures each gearbox undergoes rigorous quality checks before leaving our factory. With our port of shipment at Shanghai, we efficiently serve customers in Eastern Europe, Southeast Asia, Africa, and South Asia. Our annual export value stands below US$1 million, reflecting our focus on building long-term partnerships rather than high-volume quick sales.
We invite you to experience the reliability and performance of the Ball Mill Gearbox ZD Series. Whether you are upgrading existing equipment or building a new ball mill line, this gearbox is a solid choice for continuous duty applications. Please contact us for a quote or technical consultation. Our team is ready to support you with tailored solutions and competitive pricing.
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