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Help CenterMBY450 Chongchi Ball Mill Gearbox, 630kW, 5.0-7.1 Reduction, Helical Gear, Flange Mount
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Jiangsu Manqi Machinery Co., Ltd. proudly presents the MBY450 Chongchi Ball Mill Gearbox – a robust, high-performance helical gear reducer engineered for demanding ball mill applications. With a rated power of 630kW and a versatile reduction ratio range of 5.0 to 7.1, this flange-mounted gearbox delivers reliable torque transmission and smooth operation. Manufactured in our 10,000–30,000 m² facility in Suzhou, China, every unit reflects our commitment to precision engineering, durability, and cost-effectiveness for mineral processing industries worldwide.
This gearbox is designed to withstand heavy shock loads and continuous duty cycles typical of ball mills in mining, cement, and ore processing. Its helical gear set ensures high contact ratio, low noise, and minimal vibration, resulting in extended service life and reduced maintenance. The flange mount configuration simplifies installation and alignment, making it an ideal drop-in replacement or new build option for mills requiring a compact, high-torque drive solution.
Key Specifications
| Parameter | Value |
| Model | MBY450 |
| Rated Power | 630 kW |
| Reduction Ratio | 5.0 – 7.1 (customizable options available) |
| Gear Type | Helical, case‑hardened and ground |
| Mounting | Flange mount (horizontal / vertical optional) |
| Input Speed (max) | 1500 rpm |
| Output Torque | Up to 450,000 Nm (depending on ratio) |
| Efficiency | ≥ 95% |
| Lubrication | Splash / forced oil (optional) |
| Weight (approx.) | 4,500 kg (varies by configuration) |
Product Features & Advantages
- High Torque Density: The helical gear design distributes load evenly, allowing a compact footprint without sacrificing output torque – ideal for space‑constrained ball mill installations.
- Robust Construction: Housing made from high‑strength cast iron or welded steel (optional); gears are case‑hardened and profile‑ground for superior wear resistance and quiet operation.
- Flexible Reduction Ratios: The 5.0‑7.1 standard range can be adjusted via gear pairing to match specific mill speed requirements; custom ratios are available upon request.
- Easy Integration: Flange mount design with multiple bolt patterns ensures compatibility with most ball mill flanges; hollow or solid output shaft options can be provided.
- Reliable Sealing: Dual lip seals and labyrinth protections prevent lubricant leakage and ingress of dust or slurry, even in harsh mining environments.
- Low Maintenance: Use of high‑quality rolling bearings and optimized oil flow extends maintenance intervals; oil drain and fill ports are conveniently located.
- Proven Performance: This gearbox series has been field‑tested in over 200 ball mill applications across Eastern Europe, Southeast Asia, Africa, and South Asia since 2017.
The MBY450 gearbox is also available with optional accessories such as an oil cooling system, temperature sensors, vibration monitoring, and backstop devices to enhance operational safety. We collaborate closely with clients to tailor the gearbox to their specific mill parameters, ensuring optimal power transmission and energy efficiency.
Why Choose Jiangsu Manqi Machinery?
Established in 2017, our factory in Suzhou covers 10,000–30,000 square meters and houses advanced gear cutting, heat treatment, and assembly lines. With a dedicated team of 11–50 skilled professionals, we focus on quality control, timely delivery, and after‑sales support. Our annual export value may be under US$1 million, but our products have gained trust from buyers in Eastern Europe, Southeast Asia, Africa, and South Asia. We ship from the Port of Shanghai, ensuring efficient logistics worldwide.
Every MBY450 gearbox undergoes rigorous testing – including no‑load run‑in, noise measurement (≤85 dB(A) at 1m), and seal integrity checks – before leaving our workshop. We offer a standard 12‑month warranty against manufacturing defects and can provide extended coverage on request. Our technical team is available online for installation guidance and troubleshooting.
Partner with us for a gearbox that combines proven engineering, competitive pricing, and dependable performance. Contact us today for a quotation or to discuss your specific ball mill drive requirements.
Frequently Asked Questions
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Q: What types of ball mills can the MBY450 gearbox be used with?
A: It is suitable for overflow, grate, and peripheral discharge ball mills; typical applications include ore grinding, cement clinker, and mineral processing. Please provide your mill’s power and rotational speed for compatibility check. -
Q: Can the reduction ratio be customized outside of 5.0–7.1?
A: Yes, we can adjust the gear pair to achieve ratios from 4.0 up to 8.0 or even higher, subject to torque and center distance constraints. Custom ratios are available on request. -
Q: What is the expected service life of this gearbox under full load?
A: With proper lubrication and maintenance, the gearbox typically operates for 10+ years. The helical gears are designed for high durability, and bearing life (L10) is calculated for 50,000 hours minimum. -
Q: Does the gearbox come with a cooling system?
A: A splash lubrication system is standard; for high ambient temperatures or continuous heavy loads, a forced oil cooling system with heat exchanger is available as an optional upgrade. -
Q: What is the delivery time for an MBY450 gearbox?
A: Standard models can be shipped within 30–45 days after order confirmation. Customized configurations may require 50–70 days depending on complexity. We always confirm lead time in advance. -
Q: Do you provide installation and commissioning support?
A: We offer remote technical support via video or phone. On‑site supervision can be arranged for larger projects at additional cost. Detailed installation manuals are included with every shipment. -
Q: What is the warranty period?
A: Our standard warranty is 12 months from the date of shipment, covering defects in materials and workmanship. Extended warranty up to 24 months is negotiable. -
Q: Can I get spare parts such as bearings or seals separately?
A: Yes, we maintain a stock of common spare parts for the MBY450 series. Please contact us with your part number requirements, and we will provide a quotation with lead time.
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