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Mining equipment operates in some of the most demanding industrial environments. Heavy loads, high torque, continuous operation, dust, vibration, shock loads, a...
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SGR develops and manufactures specialized worm gear red...
● We are a professional industrial gearbox solution research and development design manufacturer with more than 15 years of experience that will support you with more competitive technical and price support.
● We have rich application experience to provide you with more professional, precise, and better service support
● High-grand components and strict product quality control procedures offer reliable product quality.
● We have years of exporting experience to decades of regions worldwide, and multi-competitive shipping choices, which can give you more reliable, fast, and cost-effective shipping.
● TUV CE approved test item based on IEC 61000 AND IEC 62477 series standards
SGR gearboxes are used in garbage salvage boats and waterweed salvage boats
SGR gearboxes are used in mud pumps
SGR gearboxes are used in crushers and shredders
SGR gearboxes are used in lead-acid battery plate rolling
SGR gearboxes are used in cranes and construction cranes.
SGR gearboxes are used in trenchless horizontal directional drillings.
SGR gearboxes are used in palm oil equipment.
SGR gearboxes are used in palm oil equipment.
Factory Environment
Factory Environment
Monitoring Unit
Monitoring Unit
Loading Transportation
Loading Transportation
Loading Transportation
Loading Transportation
SGR gearboxes on PTC ASIA 2024
SGR gearboxes on PTC ASIA 2024
SGR gearboxes on PTC ASIA 2024
SGR gearboxes on PTC ASIA 2024
SGR gearboxes on bauma CHINA2024
SGR gearboxes on bauma CHINA 2024
SGR gearboxes on bauma CHINA 2024
SGR gearboxes on bauma CHINA 2024
SGR gearboxes on ITTC2024
SGR gearboxes on ITTC2024
SGR gearboxes on ITTC2024
SGR gearboxes on ITTC2024
SGR gearboxes on DMP2023
SGR gearboxes on DMP2023
SGR gearboxes on DMP2023
SGR gearboxes on DMP2023
SGR gearboxes on PTC ASIA2023
SGR gearboxes on PTC ASIA2023
SGR gearboxes on PTC ASIA2023
SGR gearboxes on PTC ASIA2023
A gear reducer,also commonly know as a gearbox, is a mechanical device used to increase torque while decreasing speed between two rotating shafts. This change in speed-to-torque ratio allows machines to operate more efficiently and safely.
SGR gear reducers are known for their reliability, efficiency, and durability. They offer superior performance and are crafted using cutting-edge technology, which makes them suitable for a wide range of industrial and mechanical applications.
When selecting a gear reducer, consider factors such as the required speed and torque output, the operating environment, and the type of motor or machinery it will be connected to. You can also directly consult SGR technical expert.
Most gear reducers can handle a range of operating conditions, extremely high temperatures may affect their performance and lifespan. Special high-temperature gear reducers are available for such environments.
Regular inspection, lubrication, and replacement of worn parts are key to maintaining your speed reducer. SGR provides guidelines for maintenance when you buy gear reducers.
Failure of a gear reducer can lead to a reduction in machinery efficiency, excessive noise, and even machinery breakdown. Regular maintenance and inspections can prevent most failures.
SGR gear reducers can be purchased directly from SGR factory. Request a quote or contact us at any time.
With proper maintenance and under normal operating conditions, SGR gear reducers can last for many years. The exact lifespan depends on usage and environmental factors.
Yes, SGR offers custom solutions to meet unique operational requirements in different industries. If you need customized reducer solutions, feel free to contact with us.
Yes, SGR has its own factory with the area of 15000㎡.
Mining equipment operates in some of the most demanding industrial environments. Heavy loads, high torque, continuous operation, dust, vibration, shock loads, a...
READ MOREWhen purchasing a gearbox, many buyers compare products based on basic specifications such as rated torque, gear ratio, input speed, output speed, power, and mo...
READ MOREA mixer manufacturer came to us after two standard-issue gear reducers failed on the same agitator within eighteen months. The catalog ratings looked correct, b...
READ MOREFor decades, imported planetary gearboxes have been widely used in heavy-duty industrial equipment because of their established technology, product reliability,...
READ MOREShanghai SGR Heavy Industry Machinery Co., Ltd. is a professional Double-Stage Cylindrical Worm Gear Reducer manufacturer and supplier, delivering high-torque, low-speed transmission solutions for demanding industrial applications. Our double-stage cylindrical worm gear reducers are engineered for applications requiring high reduction ratios and compact design, such as cranes, crushers, mud pumps, and specialized marine equipment.
With over 15 years of experience in gear transmission, we combine advanced R&D, precision manufacturing, and rigorous quality control to provide reliable, efficient, and customizable gearboxes. Our factory in Shanghai, China, spans 15,000 square meters and is equipped with CNC machines, 3D measuring instruments, and a power efficiency test system, ensuring every unit meets international standards.
Our double-stage cylindrical worm gear reducers are available in various configurations to suit different mounting and performance requirements. They are ideal for applications where space is limited but high torque and durability are essential.
| Application | Key Requirement | Why Double-Stage? |
|---|---|---|
| Cranes and Construction | High torque, precise positioning | Provides high reduction ratios with compact footprint |
| Crushers and Shredders | Shock load resistance | Robust design handles intermittent heavy loads |
| Mud Pumps | Continuous operation, high reliability | Efficient power transmission with minimal maintenance |
| Marine and Salvage Boats | Corrosion resistance, low noise | Sealed housing and optimized gearing for quiet operation |
| Battery Plate Rolling | High precision, low vibration | Smooth output ensures consistent product quality |
| Horizontal Directional Drilling | High torque at low speed | Delivers necessary torque for drilling operations |
We understand that each application has unique requirements. Our engineering team works closely with you to configure the reducer based on your specific input speed, output torque, mounting position, and environmental conditions. We offer customization in shaft configurations, flanges, and materials to ensure seamless integration with your equipment.
Our design process utilizes advanced optimization systems, such as our planar double-enveloping worm gear optimization design system, to achieve maximum efficiency and longevity. We also provide options for special coatings, seals, and lubricants for harsh environments.
Every double-stage cylindrical worm gear reducer undergoes rigorous quality control. We use CNC machining and coordinate measuring machines to ensure dimensional accuracy. Our in-house power and efficiency test system validates performance under load, and we conduct noise and vibration tests to meet international standards.
We are ISO 9001 certified and hold TUV CE approvals for relevant standards. Our commitment to quality is backed by a 1-year warranty and comprehensive after-sales support.
We provide complete technical documentation, including installation manuals and maintenance guidelines. Our team assists with commissioning and offers training for your maintenance staff. With our global export experience, we ensure reliable packaging and timely delivery to any destination.
To prepare an accurate proposal, we need the following details from your project:
Our double-stage cylindrical worm gear reducers can achieve reduction ratios up to 3600:1, depending on the configuration and application requirements.
Yes, we offer various shaft options, including solid, hollow, and splined, to match your coupling and mounting needs.
We recommend synthetic gear oils for optimal performance and longevity. Specific grades are provided in the maintenance manual based on operating conditions.
Yes, we stock spare parts for all our reducers and can supply replacement components to minimize downtime.
Lead times vary based on configuration and quantity. Standard models are usually available within 30 days, while custom designs may take longer.
SGR is an ISO 9001 certified, DNV-accredited industry gearbox manufacturer since 1996. We supply different gear reducers to brands worldwide.
