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Help CenterQY3S630 Cylindrical Gear Reducer 630mm Center Distance Forged Steel Gears up to 5000 Nm
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Jiangsu Manqi Machinery Co., Ltd., a professional manufacturer since 2017, proudly presents the QY3S630 Cylindrical Gear Reducer – a robust power transmission solution designed for heavy-duty industrial applications. With a center distance of 630 mm and forged steel gears capable of handling up to 5000 Nm torque, this gear reducer delivers exceptional reliability, efficiency, and durability. Our factory, spanning 10,000–30,000 square meters, ensures precision manufacturing and strict quality control, making the QY3S630 an ideal choice for demanding environments.
Key Features and Technical Specifications
Heavy-Duty Forged Steel Gears – The gears are manufactured from high-strength forged steel, offering superior wear resistance, impact toughness, and long service life even under continuous high-load operation.
630 mm Center Distance – This generous center distance allows for larger gear teeth and higher torque transmission, making it suitable for large-scale industrial equipment such as conveyors, crushers, mills, and mixers.
Torque Capacity up to 5000 Nm – Designed to handle demanding torque requirements, the QY3S630 ensures stable and reliable power transmission in heavy machinery.
High Efficiency & Low Noise – Helical cylindrical gear design provides smooth engagement, reduced vibration, and quiet operation, with efficiency typically exceeding 95%.
Compact & Robust Construction – The housing is made of high-strength cast iron or steel, providing excellent rigidity and protection against dust, debris, and moisture. Compact footprint saves installation space.
Multiple Mounting Options – Standard foot-mounted design allows easy integration into existing systems. Customizable flanges or shaft extensions are available upon request.
Easy Maintenance – Oil drains, breathers, and sight glasses are strategically placed for convenient lubrication and inspection. All seals are oil-resistant to prevent leakage.
Wide Application Range – Suitable for industries such as mining, cement, metallurgy, chemical processing, material handling, and renewable energy.
Technical Parameters (Typical Values)
| Parameter | Value |
| Model | QY3S630 |
| Center Distance | 630 mm |
| Rated Torque | Up to 5000 Nm |
| Gear Material | Forged Alloy Steel |
| Housing Material | High-strength Cast Iron / Steel |
| Mounting Type | Horizontal Foot-mounted |
| Efficiency | ≥ 95% |
| Lubrication | Oil bath or splash lubrication |
Why Choose Manqi QY3S630?
Proven Manufacturing Experience – Since 2017, Jiangsu Manqi Machinery has focused on designing and manufacturing high-quality gear reducers, serving customers in Eastern Europe, Southeast Asia, Africa, and South Asia.
Stringent Quality Control – Each unit undergoes rigorous testing, including dimensional inspection, gear tooth hardness verification, and full-load run-in tests to ensure consistent performance.
Customizable Options – We offer flexible adaptations such as special input/output shaft configurations, modified ratios, or additional accessories (e.g., backstop, cooling fan, oil pump) to meet specific project needs.
Competitive Lead Time – With a well-equipped factory and efficient production process, we can deliver standard models within 30–45 days. Custom orders are also managed efficiently.
Reliable After-Sales Support – Our team provides technical documentation, installation guidance, and prompt response to inquiries, ensuring smooth operation throughout the product lifecycle.
Trusted by Global Customers
Jiangsu Manqi Machinery Co., Ltd. has been a reliable partner for industrial gear solutions since 2017. Our 11–50 dedicated employees work in a 10,000–30,000 m² facility to produce gear reducers that meet international standards. With annual exports below US$1 million, we are committed to expanding our global footprint by delivering value-driven products. The QY3S630 Cylindrical Gear Reducer is a testament to our engineering expertise – built tough to handle the most demanding torque requirements up to 5000 Nm, yet designed for easy integration and maintenance. Contact us today for a quotation or technical consultation. Let Manqi power your machinery with confidence.
Frequently Asked Questions (FAQ)
Q: What is the maximum input speed for the QY3S630?
A: The maximum input speed depends on the specific ratio and operating conditions. Typically, it is around 1500–1800 rpm. Please consult our technical team for exact recommendations.Q: Can this gear reducer be used for vertical shaft applications?
A: The standard model is designed for horizontal foot-mounted installation. For vertical applications, we can provide a customized version with oil lubrication modifications. Contact us for details.Q: What type of lubricant is recommended?
A: We recommend using industrial gear oil with viscosity grades ISO VG 220–460, depending on ambient temperature and load. The gearbox is shipped without oil; you need to fill it before operation.Q: Do you offer customized ratios?
A: Yes, we can adjust the gear ratio according to your speed and torque requirements. Please provide your desired output speed or ratio, and we will design accordingly.Q: What is the warranty period?
A: Our standard warranty is 12 months from the date of shipment, covering manufacturing defects under normal use. Extended warranty options are available upon negotiation.Q: How long does delivery take?
A: For standard models, delivery is typically 30–45 days after order confirmation. Custom orders may require 45–60 days, depending on complexity.Q: Can you provide CE or other certification?
A: We can provide test reports and certificates of conformity. For specific certifications like CE, please discuss with our sales team – we can arrange third-party certification if required (additional cost applies).
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