Cylindrical Gear Reducer Applied in Mining Crusher and Crane Hoist Drive Systems
Product Spotlights
Jiangsu Manqi Machinery Co., Ltd., established in 2017 and headquartered in Suzhou, Jiangsu, China, is a specialized manufacturer of industrial power transmission solutions. Our Cylindrical Gear Reducer is engineered specifically for the demanding environments of mining crushers and crane hoist drive systems. With a factory spanning 10,000–30,000 square meters and a dedicated team of 11–50 experienced professionals, we deliver robust, reliable gearboxes that ensure smooth operation and extended equipment life. This gear reducer combines high torque capacity, compact design, and exceptional durability, making it a trusted choice for heavy-duty applications worldwide.
Built with precision-manufactured cylindrical gears, this reducer provides efficient power transmission with minimal noise and vibration. The gearbox is designed to withstand shock loads, continuous operation, and harsh environmental conditions typical in mining and crane operations. Whether used in a cone crusher, ball mill, or overhead crane hoist, our gear reducer offers consistent performance and long service life.
Key Features & Technical Specifications
- High Torque Density: Optimized gear geometry delivers maximum torque in a compact footprint, reducing space requirements.
- Durable Construction: Gears made from case-hardened alloy steel (20CrMnTi or equivalent) with ground tooth profiles for high wear resistance.
- Robust Housing: Heavy-duty cast iron (HT250) or fabricated steel housing, machined to tight tolerances for superior alignment.
- Sealing System: High-quality oil seals and labyrinth seals prevent leakage and contamination, even in dusty mining environments.
- Flexible Mounting: Available in horizontal, vertical, or flange-mounted configurations to suit various installation layouts.
- Efficient Lubrication: Oil bath lubrication for standard speeds; forced circulation lubrication available for high-speed or high-temperature applications.
- Low Noise & Vibration: Precision gear grinding and dynamic balancing ensure smooth, quiet operation below 75 dB(A) under normal load.
- Customizable Ratio: Wide range of reduction ratios from 10:1 up to 500:1, tailored to meet specific speed and torque requirements.
| Parameter | Value |
|---|---|
| Input Power | 5 kW – 500 kW |
| Output Torque | Up to 500,000 Nm (customizable) |
| Efficiency | 94% – 98% |
| Gear Hardness | HRC 58–62 (case-hardened) |
| Ambient Temperature | -20°C to +60°C |
| Protection Level | IP54 (standard), IP65 optional |
Benefits for Your Application:
- Reduced downtime due to robust design and reliable sealing.
- Lower maintenance costs with long-life gears and lubrication system.
- Enhanced safety and operational stability in critical lifting and crushing tasks.
- Easy integration with existing motors, couplings, and driven equipment.
Trusted by Global Customers
Since 2017, Jiangsu Manqi Machinery has been supplying reliable gear reducers to markets in Eastern Europe, Southeast Asia, Africa, and South Asia. Our products are shipped from the Port of Shanghai, ensuring timely delivery worldwide. With an annual export value below US$1 million, we focus on building long-term partnerships rather than high-volume commodity sales. Every gear reducer is subjected to rigorous testing prior to shipment, including vibration analysis, noise measurement, and load testing, to guarantee performance. Our team of 11–50 skilled employees is committed to continuous improvement and customer satisfaction. Contact us today to discuss your specific requirements and receive a customized solution for your mining crusher or crane hoist drive system.
Frequently Asked Questions
Q1: What is the typical lead time for a custom cylindrical gear reducer?
A: Standard models can be delivered within 30–45 days after order confirmation. Customized units may require 45–60 days depending on complexity.
Q2: Can this gear reducer be used in explosion-proof environments?
A: We offer optional explosion-proof sealing and surface treatments. Please specify your ATEX or other requirements when inquiring.
Q3: What is the maximum ambient temperature for operation?
A: The standard design allows operation from -20°C to +60°C. For higher temperatures, we can provide special lubricants and cooling options.
Q4: Do you provide installation and maintenance manuals?
A: Yes, a comprehensive manual with installation, operation, and maintenance instructions is included with every shipment.
Q5: Can the gear reducer be mounted in a vertical shaft-down position?
A: Yes, vertical mounting configurations are available. Please consult our technical team for proper lubrication and seal selection.
Q6: What kind of warranty do you offer?
A: We provide a standard 12-month warranty from the date of shipment against manufacturing defects. Extended warranties are available upon request.
Q7: Do you have a quality control system?
A: We operate a strict in-house quality control process, including material inspection, gear measurement, and final assembly test. We also welcome third-party inspection.
Q8: How do I select the correct gear reducer size for my mining crusher?
A: Provide us with the input power, input speed, required output speed (or torque), and details of the driven equipment. Our engineering team will recommend the optimal model.
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