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Help CenterZD45 Ball Mill Reducer Hardened Tooth Surface Transmission Gear Unit
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Jiangsu Manqi Machinery Co., Ltd., established in 2017 and located in Suzhou, Jiangsu, China, is a professional manufacturer specializing in power transmission equipment. Our factory spans 10,000–30,000 square meters, and we serve customers across Eastern Europe, Southeast Asia, Africa, and South Asia. The ZD45 Ball Mill Reducer Hardened Tooth Surface Transmission Gear Unit is a flagship product designed specifically for heavy-duty ball mill drives, offering outstanding durability, high torque capacity, and energy efficiency. With hardened tooth surfaces processed through carburizing and quenching, this gear unit ensures long service life and reliable performance even under harsh operating conditions.
This reducer is engineered to meet the stringent requirements of mineral processing, cement production, and other bulk material grinding applications. Its robust construction minimizes downtime and maintenance costs, while the optimized gear design reduces noise and vibration. Whether you need a standard unit or a customized solution, our technical team can provide tailored specifications to match your mill's power and speed demands.
| Parameter | Specification |
|---|---|
| Model | ZD45 |
| Input Power Range | 55 kW – 800 kW (customizable) |
| Reduction Ratio | Single stage: 2.5 – 6.3 Double stage: 8 – 20 |
| Gear Hardness | HRC 58 – 62 (carburized and quenched) |
| Gear Material | 20CrMnTi alloy steel |
| Output Torque | Up to 500,000 N·m (depending on ratio) |
| Lubrication Method | Oil bath or forced circulation (optional) |
| Mounting Type | Horizontal / Vertical (optional) |
| Weight | Approx. 5,500 – 12,000 kg (varies by configuration) |
Product Features & Benefits
- Hardened Tooth Surface: The gears undergo carburizing and quenching to achieve a surface hardness of HRC 58–62, significantly reducing wear and extending gear life.
- High Torque Capacity: Designed with large module helical gears and optimized tooth profiles to handle heavy loads typical of ball mill drives.
- Smooth & Quiet Operation: Precision grinding and dynamic balancing minimize vibration and noise, improving working conditions.
- Energy Efficient: High gear transmission efficiency (≥96%) reduces power loss and lowers energy consumption.
- Rugged Housing: Machined from high-strength cast iron or welded steel, ensuring rigidity and protection against external impacts.
- Easy Maintenance: Modular design allows quick access to bearings and gears for inspection or replacement.
- Customizable: Input shaft configuration, output flange, and mounting dimensions can be adapted to your ball mill specifications.
- Sealed Protection: Multi-layer oil seals prevent leakage and keep contaminants out, even in dusty environments.
Application Areas
- Ball mills in mining (copper, gold, iron ore, etc.)
- Cement clinker grinding mills
- Coal mills in power plants
- Slag grinding, lime production, and other bulk material processing
Why Choose Jiangsu Manqi Machinery?
- We have over 7 years of specialized experience in manufacturing reducers and gear units.
- Our factory size of 10,000–30,000 m² enables mass production with strict quality control.
- We export to Eastern Europe, Southeast Asia, Africa, and South Asia, building trust with international clients.
- Our team of 11–50 employees provides personalized service and after-sales support.
- We offer 12-month warranty and supply spare parts promptly.
To ensure the ZD45 reducer meets your specific requirements, we provide a detailed engineering review before production. Contact us with your mill's power, speed, and dimensional constraints, and we will deliver a matched gear unit that optimizes your grinding process.
Frequently Asked Questions
Q1: Is the ZD45 reducer suitable for both new and existing ball mills?
A: Yes, the ZD45 can be designed with custom input/output flanges and shaft configurations to retrofit existing mills or integrated into new installations. Please provide your mill's original mounting dimensions.
Q2: What is the typical delivery time for a ZD45 reducer?
A: Standard configurations usually require 30–45 working days after order confirmation. Customized models may take 50–60 working days, depending on complexity.
Q3: How does the hardened tooth surface compare to nitriding?
A: Carburizing and quenching (hardening) produce a deeper case depth (1–2 mm) and higher surface hardness (HRC 58-62) compared to nitriding, making it more resistant to heavy impact and fatigue in ball mill applications.
Q4: Can I use the reducer continuously in high-temperature environments?
A: The standard design operates normally at ambient temperatures up to 40°C. For higher temperatures (up to 60°C), we can add forced oil cooling or a heat exchanger as an option.
Q5: What maintenance is required for the ZD45 reducer?
A: Regular maintenance includes checking oil level and quality every 3–6 months, replacing oil annually, and inspecting bearing clearances and gear backlash every two years. A detailed manual is provided with each unit.
Q6: Does the reducer come with a motor adaptor or it is separate?
A: The reducer can be supplied with an integrated motor mounting flange (IEC/NEMA standard) or a separate coupling set. Please specify your motor frame size.
Q7: What is the warranty policy?
A: We provide a 12-month warranty from the date of shipment covering defects in material and workmanship. Extended warranty up to 24 months is available upon request.
Q8: Can you provide drawings or 3D models for design review?
A: Yes, after order confirmation, we provide 2D GA drawings and optional 3D STEP/IGS files for your engineering team to verify dimensions and interference.
Invest in the ZD45 Ball Mill Reducer from Jiangsu Manqi Machinery and experience reliable performance for your grinding operations. Contact us today for a quotation or technical consultation. Our team is ready to support you from Shanghai port shipment to on-site commissioning.
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