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Help CenterJDX500 Heavy-Duty Ball Mill Gearbox 37kW Speed Ratio 4:1 Forged Steel Gears
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As a dedicated manufacturer based in Suzhou, China, Jiangsu Manqi Machinery Co., Ltd. brings years of engineering expertise to the design and production of heavy-duty industrial gearboxes. The JDX500 Heavy-Duty Ball Mill Gearbox is a prime example of our commitment to reliability and performance. Rated at 37 kW with a speed ratio of 4:1, this gearbox is built with forged steel gears to withstand the extreme torsional loads and continuous operation typical in mineral processing and cement grinding applications. Whether you are upgrading an existing ball mill or building a new processing line, the JDX500 delivers the torque and durability you need for efficient, long-term operation.
Key Features & Specifications
Forged Steel Gears: The gear set is manufactured from high-quality forged alloy steel, heat-treated for superior hardness and wear resistance. This ensures a longer service life compared to cast gears, especially under high-impact loads.
37 kW Power Rating: Designed to handle 37 kW input power at typical motor speeds, making it suitable for mid-sized ball mills used in ore grinding, coal pulverizing, and cement clinker reduction.
4:1 Speed Ratio: The single-stage reduction ratio of 4:1 is optimized for ball mill applications, providing an output speed range that balances grinding efficiency and mill throughput.
Robust Housing: The gearbox housing is constructed from heavy-duty cast iron or fabricated steel (customer option), with reinforced ribbing to minimize vibration and maintain gear alignment under full load.
Sealed & Lubricated: Equipped with high-quality oil seals and a splash lubrication system to ensure reliable oil film between gear teeth. Optional forced lubrication with a separate pump unit is available for demanding continuous operation.
Easy Maintenance: The design incorporates accessible inspection covers, magnetic drain plugs, and breather vents for convenient service checks and oil changes.
Technical Specifications Table
| Parameter | Value |
| Model | JDX500 |
| Rated Input Power | 37 kW (50 HP) |
| Speed Ratio | 4:1 (exact) |
| Input Speed (max.) | 1800 rpm |
| Output Torque | ~ 2,360 Nm (approx.) |
| Gear Material | Forged alloy steel (20CrMnTi or equivalent) |
| Heat Treatment | Carburizing & quenching, hardness 58-62 HRC |
| Lubrication Type | Splash (standard) / Forced (optional) |
| Mounting Position | Horizontal foot-mounted |
| Approx. Weight | 850 kg (depending on options) |
Advantages & Customer Benefits
Enhanced Reliability: Forged steel gears offer higher fatigue strength and impact resistance than cast components, reducing the risk of tooth breakage in heavy-duty ball mill applications.
Energy Efficiency: Precision-ground gear teeth and optimized tooth profiles minimize friction losses, helping you save electricity costs over the machine's lifetime.
Long Service Life: With proper maintenance, the JDX500 gearbox can operate for over 10 years in continuous service, backed by our robust design and quality control.
Customization Options: We offer various input/output shaft configurations (keyed, splined, or flanged), as well as optional oil coolers, heaters, and monitoring sensors to suit your specific installation.
Global Logistics: Shipped from the Port of Shanghai with professional export packaging (rust-proof coating, plywood crates), we serve markets in Eastern Europe, Southeast Asia, Africa, and South Asia efficiently.
Why choose Jiangsu Manqi Machinery? Since our establishment in 2017, we have focused on building a reliable supply chain for heavy industrial gearboxes. Our factory spans 10,000 to 30,000 square meters, equipped with advanced CNC gear hobbing, grinding, and heat treatment facilities. Each JDX500 unit undergoes a 4-hour no-load run test and a 2-hour load test (at 80% rated torque) before shipment. Our team of 11-50 skilled workers and engineers ensures consistent product quality and prompt after-sales support. Whether you are in Eastern Europe, Southeast Asia, Africa, or South Asia, we are ready to be your long-term partner for grinding mill drives. Contact us today to discuss your specific requirements and get a competitive quotation for the JDX500 heavy-duty ball mill gearbox.
Frequently Asked Questions (FAQ)
Q1: What type of oil should be used in this gearbox?
A: We recommend using industrial gear oil ISO VG 320 or 460, depending on ambient temperature. For high-temperature environments (above 40°C), use VG 460. For cold climates, VG 220 may be suitable. Always follow the lubrication schedule provided in the manual.
Q2: Is the JDX500 suitable for ball mills larger than 37 kW?
A: This model is specifically rated for 37 kW input power. For higher power requirements, we offer other models in the JDX series (e.g., JDX600, JDX800). Please consult our sales team for the correct selection.
Q3: Can the gear ratio be customized?
A: The standard ratio is 4:1. Custom ratios within a reasonable range (e.g., 3.5:1 to 5:1) are possible but may require additional design time and tooling. Contact us with your specific requirements.
Q4: How is the gearbox shipped? Do you provide installation support?
A: The gearbox is shipped from the Port of Shanghai in a heavy-duty plywood crate with rust-proof coating. We provide detailed installation and maintenance manuals. Remote technical support via video call is available upon request.
Q5: What is the warranty period?
A: Standard warranty is 12 months from the date of shipment or 18 months from the date of manufacture, whichever comes first. Extended warranty options are available for an additional cost.
Q6: Can I get a sample or a trial unit before bulk ordering?
A: Yes, sample orders are welcome. We can produce a single unit for testing. After testing, you can place a bulk order for better pricing. Lead time for a sample is typically 25-35 days.
Q7: What maintenance is required for the forged steel gears?
A: Regular oil changes (every 2000-3000 operating hours), checking gear backlash and bearing play, and ensuring proper oil levels are sufficient. Forged steel gears generally require less frequent replacement than cast gears.
Q8: Do you supply spare parts for the JDX500?
A: Yes, we maintain a stock of common spare parts such as seals, bearings, and gear sets. For non-standard parts, we can manufacture them on demand. A spare parts list is included with the gearbox documentation.
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