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Help CenterJDX800 Heavy-Duty Ball Mill Gearbox 110kW Cast Iron Housing 2000Nm Torque
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Jiangsu Manqi Machinery Co., Ltd. is a professional manufacturer specializing in heavy-duty power transmission solutions since 2017. Our JDX800 Heavy-Duty Ball Mill Gearbox is engineered to deliver reliable performance in the most demanding grinding applications. With a robust cast iron housing, 110kW power rating, and 2000Nm torque capacity, this gearbox is designed to provide long service life and high efficiency for ball mills in mining, cement, and mineral processing plants. Every unit is manufactured in our 10,000–30,000 m² facility in Suzhou, Jiangsu, China, and undergoes strict quality control to ensure consistency and durability.
The JDX800 gearbox features a precision machined helical gear set that ensures quiet operation and smooth torque transmission. The cast iron housing offers excellent vibration damping and thermal stability, making it suitable for continuous heavy-load operations. Below is a detailed technical specification table:
| Parameter | Value |
|---|---|
| Model | JDX800 |
| Rated Power | 110 kW (148 hp) |
| Rated Torque | 2000 Nm |
| Housing Material | High-grade Cast Iron (HT250) |
| Gear Type | Helical (case-hardened and ground) |
| Input Speed | 1500 rpm (other speeds available upon request) |
| Output Speed Range | 100–500 rpm (customizable) |
| Lubrication | Oil bath splash lubrication (oil grade: ISO VG 220–320) |
| Mounting Type | Foot-mounted, horizontal |
| Weight | Approx. 500 kg |
Key Product Features & Benefits
- Heavy-Duty Cast Iron Housing: Provides excellent rigidity and vibration absorption, reducing noise and extending component life in harsh environments.
- High Torque Density: 2000Nm torque output ensures reliable start-up and continuous operation of large ball mills even under fluctuating load conditions.
- Precision Helical Gears: Case-hardened and ground to DIN 6 grade for smooth, quiet power transmission and high efficiency (≥95%).
- Robust Bearing Configuration: Heavy-duty roller bearings on both input and output shafts support high radial and axial loads, increasing service life.
- Customizable Output Speed: Multiple gear ratios available to match your specific mill speed requirements – contact our engineering team for tailored solutions.
- Easy Maintenance: Accessible oil drain and filler ports, sight glass for oil level monitoring, and sealed breathers prevent contamination.
- Sealed for Dust & Moisture: Double-lip oil seals and labyrinth seals protect against ingress of dust, water, and debris common in mining environments.
- Flexible Input Connection: Available with motor flange or flexible coupling interface to fit standard electric motors (IEC, NEMA).
Technical Advantages Over Competitors
The JDX800 gearbox stands out in the market due to its combination of cast iron housing (not fabricated steel) which offers superior thermal expansion control, and its helical gear design that minimizes impact loads compared to spur gears. The gearbox also features an integrated cooling rib design on the housing to dissipate heat naturally, reducing the need for external cooling in many applications. All rotating parts are dynamically balanced to ensure smooth operation at full load.
Compared to gearboxes with aluminum housings, the cast iron version provides higher stiffness and better fatigue resistance, making it ideal for 24/7 continuous operation. The 2000Nm torque rating ensures compatibility with ball mills up to 2 meters in diameter (depending on grinding media load).
Typical Applications
- Ball mills in mineral processing plants (gold, copper, iron ore, etc.)
- Cement clinker grinding mills
- Slag grinding and coal pulverizers
- Chemical and pharmaceutical heavy mixing equipment
- Large conveyor drives requiring high torque at moderate speed
Why Choose Jiangsu Manqi Machinery?
Founded in 2017, Jiangsu Manqi Machinery Co., Ltd. operates a modern factory covering 10,000–30,000 square meters in Suzhou, Jiangsu – a region renowned for precision engineering. With a dedicated team of 11–50 skilled workers and engineers, we maintain strict quality management systems. Our annual export value is under US$1 million, but we are steadily expanding our presence in Eastern Europe, Southeast Asia, Africa, and South Asia. All shipments are made via Port of Shanghai, ensuring efficient logistics to global customers.
We understand that ball mill gearboxes face extreme conditions – heavy shock loads, high ambient temperatures, and continuous dust. That’s why every JDX800 gearbox is tested under simulated load conditions before delivery. We offer a 12-month warranty against manufacturing defects and provide technical support for installation and commissioning. Our engineers are available for remote assistance and spare parts supply to minimize downtime.
Take the next step to optimize your grinding operations. Contact us today for a quote or to discuss your specific requirements. Whether you need a standard JDX800 or a customized version with different mounting, ratio, or input flange, we are ready to deliver a solution that meets your needs.
Frequently Asked Questions (FAQ)
-
Q: What motor power can be used with this gearbox?
A: The JDX800 is rated for 110kW. It can handle motors from 75kW to 110kW depending on the service factor required. Consult our technical team for specific motor matching. -
Q: Is the gearbox suitable for continuous operation?
A: Yes, it is designed for 24/7 heavy-duty operation in ball mills. The cast iron housing and robust bearings ensure long-term reliability under full load. -
Q: Can I get different reduction ratios?
A: Absolutely. The standard output speed range is 100–500 rpm with corresponding ratios. Custom ratios are available upon request – please provide your required input/output speeds. -
Q: What type of oil should I use?
A: We recommend ISO VG 220–320 mineral or synthetic gear oil. The specific viscosity depends on ambient temperature and load. Detailed lubrication instructions are provided in the manual. -
Q: Does the gearbox come with a flange for direct motor mounting?
A: The standard configuration includes a foot-mounted design with a flexible coupling to the motor. Motor flange adapters are optional and can be supplied as per your motor frame (IEC or NEMA). -
Q: What is the expected service life of the gearbox?
A: With proper lubrication and maintenance, the JDX800 typically exceeds 10 years of service life under normal operating conditions. The gears and bearings are designed for L10 life of 50,000 hours at rated load. -
Q: Do you provide installation and maintenance support?
A: Yes, we offer remote technical support and can arrange on-site commissioning for large orders. Spare parts and service manuals are included with every shipment. -
Q: Can I use this gearbox for other applications besides ball mills?
A: Certainly. The high torque and robust construction make it suitable for heavy conveyors, crushers, mixers, and other rotating machinery requiring reliable speed reduction.
Jiangsu Manqi Machinery Co., Ltd. – Your Reliable Partner in Power Transmission. Contact us now to request a quotation or product drawing.
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