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Help CenterDouble Helical Herringbone Gear ZD80 Ball Mill Reducer High Efficiency Heavy Duty Reducer
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Jiangsu Manqi Machinery Co., Ltd. brings you the Double Helical Herringbone Gear ZD80 Ball Mill Reducer – a high-efficiency, heavy-duty solution designed to drive demanding ball mill operations. As a specialized manufacturer with over 10,000 square meters of production facilities in Suzhou, China, we combine precise engineering with robust construction to deliver reducers that offer smooth transmission, low noise, and exceptional durability. Whether you are upgrading existing equipment or building a new grinding line, our ZD80 reducer ensures reliable performance under continuous heavy loads.
This reducer features a double helical (herringbone) gear design that cancels axial thrust, allowing for higher torque capacity and longer gear life compared to single helical gears. The ZD80 model is specifically optimized for ball mill applications where high starting torque and sustained power transmission are critical. With advanced heat treatment and precision grinding, each gear set achieves ISO 6–7 grade accuracy, resulting in reduced vibration and noise levels below 80 dB(A).
Below you will find a detailed breakdown of technical parameters, key advantages, and practical benefits for your operation. Our factory can customize input/output shafts, mounting flanges, and lubrication systems to match your exact requirements.
Technical Specifications
| Parameter | Value / Range |
|---|---|
| Model | ZD80 |
| Reduction Ratio | 20:1 – 200:1 (customizable) |
| Rated Input Speed | 750 – 1500 rpm |
| Rated Output Torque | Up to 500,000 Nm |
| Efficiency | ≥95% per gear stage |
| Lubrication Method | Oil bath / forced circulation (optional) |
| Working Temperature | -10°C to +60°C |
| Housing Material | High-grade cast iron / steel (optional) |
Key Features & Benefits
- Double Helical Gear Design – Balanced axial forces eliminate the need for thrust bearings, reduces heat generation, and prolongs gear life.
- High Torque Density – Compact housing yet capable of delivering heavy-duty torque required by ball mills, reducing footprint and installation costs.
- Low Noise & Vibration – Precision-ground gears and optimized tooth profile result in smooth operation, typically below 80 dB(A) at full load.
- Robust Sealing System – Multi-lip seals and labyrinth design prevent oil leakage even in dusty mill environments, protecting internal components.
- Easy Maintenance – Modular design allows quick access to oil drains, filters, and inspection covers; replacement parts are available from stock.
- Customizable Configurations – We offer different input/output shaft dimensions, mounting flanges (IA, IB, etc.), and options for backstop, cooling coils, or temperature sensors upon request.
- Durable Casting – Housing made from high-strength cast iron or welded steel, ensuring rigidity under dynamic shock loads typical of ball mill startup.
Our ZD80 reducer is built to match the demanding duty cycles of ball mills in cement plants, mining operations, and mineral processing. The herringbone gear profile distributes load evenly across the tooth face, reducing localized stress and extending service intervals. In field tests, reducers equipped with double helical gears have demonstrated 30% longer lifespan compared to conventional single helical reducers under similar conditions.
To ensure reliability, every unit undergoes a 48-hour run-in test at the factory with load simulation. We also provide detailed inspection reports including gear contact patterns, temperature measurements, and vibration analysis prior to shipment.
Trusted Manufacturing & Global Support
As a manufacturer established in 2017 with a 10,000–30,000 m² facility in Suzhou, Jiangsu, Jiangsu Manqi Machinery Co., Ltd. has been supplying heavy-duty reducers to markets in Eastern Europe, Southeast Asia, Africa, and South Asia. Our team of 11–50 skilled professionals focuses on quality control from raw materials to final assembly. Each year, we export equipment worth nearly US$1 million, and we continuously invest in machining centers, gear hobbers, and heat treatment lines to maintain competitive edge.
We ship all products from Port of Shanghai with proper export packaging (wooden crates, rust protection). Our technical staff offers remote commissioning support and documentation in English. For customers requiring custom modifications or additional accessories (e.g., torque limiters, temperature monitoring), we can discuss and implement within standard lead times.
Choose the ZD80 Herringbone Gear Reducer from Jiangsu Manqi and experience a reliable partner for your ball mill drive system. Contact us today for a quotation or technical consultation – we look forward to supporting your next project.
Frequently Asked Questions (FAQ)
-
What is the difference between double helical and herringbone gears?
They are essentially the same – a double helical gear (also called herringbone) has two sets of opposing helical teeth that cancel axial thrust, offering higher torque capacity and quieter operation than single helical. -
Is the ZD80 reducer suitable for other heavy machinery besides ball mills?
Yes, it can be used in crushers, conveyors, kilns, mixers, and other heavy industrial equipment requiring high torque and reliable speed reduction. -
What is the typical lead time for a custom ZD80 reducer?
Standard models ship within 30–45 days. Custom orders with modifications may take 45–60 days depending on complexity. We confirm lead time after order placement. -
Do you provide installation drawings and manuals?
Yes, we supply dimensional drawings, assembly instructions, lubrication charts, and maintenance guidelines in PDF format with each shipment. -
Can I get a sample before bulk order?
We offer single-unit orders for evaluation. Sample pricing and shipping cost are negotiable. After confirmation, bulk order discounts apply. -
What warranty do you offer on the reducer?
We provide a 12-month warranty from the date of shipment, covering manufacturing defects in materials and workmanship under normal operating conditions. Extended warranty is available upon request. -
How do you ensure oil seals prevent leakage in dusty environments?
Our reducers use heavy-duty double lip seals combined with a labyrinth groove to keep dust out and oil in. For extreme conditions, we can add a positive pressure system. -
What is the maximum ambient temperature for operation?
The standard design allows operation from -10°C to +60°C. For higher temperature environments, we can upgrade seals and lubricants, or add forced cooling.
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