Double-Stage Toroidal Worm Gear Reducer Suppliers

Double-Stage Toroidal Worm Gear Reducer Manufacturer

Shanghai SGR Heavy Industry Machinery Co., Ltd. is a China-based Double-Stage Toroidal Worm Gear Reducer manufacturer and supplier. With over 15 years of experience in gear transmission, we design and produce double-enveloping worm gear reducers that deliver high torque density, compactness, and low noise for demanding industrial applications.

Our double-stage toroidal worm gear reducers are engineered for applications requiring high reduction ratios and smooth, quiet operation. They are widely used in mixers, crushers, cranes, mud pumps, and other heavy machinery where reliability and efficiency are critical.

Product Range and Specifications

We offer a comprehensive range of double-stage toroidal worm gear reducers with the following key specifications:

• Center Distance: 100–710 mm
• Speed Ratio: i ≥ 10 (custom ratios available)
• Torque Capacity: Up to 500,000 Nm (depending on size and ratio)
• Input Power: 0.18–200 kW
• Mounting Options: Foot, flange, or shaft-mounted
• Output Shaft: Solid or hollow with key or shrink disc

Application Fit

Our double-stage reducers are ideal for applications that require high reduction ratios in a compact footprint. Typical industries include:

• Mining and Aggregate: Crushers, shredders, conveyors
• Marine and Offshore: Mud pumps, winches, salvage boats
• Construction: Cranes, hoists, trenchless drilling rigs
• Material Processing: Mixers, agitators, extruders
• Renewable Energy: Solar trackers, wind turbine pitch control

Engineering and Customization

We understand that every application has unique requirements. Our engineering team works closely with you to customize the reducer to your exact specifications. We can adjust:

• Input and output shaft configurations
• Mounting flanges and foot arrangements
• Material selection for worm wheel (e.g., bronze alloys) and worm (case-hardened steel)
• Sealing and lubrication options for harsh environments
• Backlash requirements for precision positioning

Quality Assurance and Testing

As a ISO 9001 certified manufacturer, we maintain strict quality control throughout production. Our factory is equipped with advanced machinery, including CNC machines, a domestically innovated Toroidal Worm and Hob Measuring Instrument, and a Power and Efficiency Test System. Each reducer undergoes:

• Material verification and heat treatment checks
• Dimensional inspection using 3D measuring machines
• Noise and vibration testing under load
• Leak and seal integrity tests
• Final performance verification before shipment

Information We Use to Configure Your Solution

To provide an accurate proposal, we need the following details:

Installation and Maintenance

We provide comprehensive documentation including installation manuals, lubrication charts, and maintenance schedules. Our reducers are designed for easy serviceability, with standardized components that simplify spare parts replacement. We also offer training and on-site support upon request.

FAQs

What is the difference between single-stage and double-stage toroidal worm gear reducers?

Single-stage reducers provide a single reduction step, typically with ratios up to 60:1. Double-stage reducers combine two worm gear sets to achieve much higher ratios (often above 100:1) while maintaining a compact design. They are used when high torque multiplication and low output speed are required.

Can you customize the reducer for a specific application?

Yes, we specialize in custom solutions. We can modify shaft configurations, mounting arrangements, materials, and even integrate additional features like backstops or cooling fans. Provide your application details, and our engineers will design a suitable solution.

What is the typical lead time for a double-stage toroidal worm gear reducer?

Standard models are often available from stock, while custom-built units typically require 4-8 weeks depending on complexity. We work with you to meet your project timeline and offer expedited shipping options when needed.

How do you ensure the quality of your reducers?

We follow ISO 9001 quality management procedures. Each component is inspected during production, and every finished reducer undergoes a full-load performance test using our power and efficiency test system. We also provide test reports and certificates upon request.

What are the maintenance requirements for these reducers?

Regular maintenance includes checking oil levels, changing lubricant at recommended intervals (typically every 10,000 hours or annually), and inspecting seals and bearings. We provide a detailed maintenance manual with each unit.