Product Description
PRODUCT
Granville Gearbox
After 20 years of deep plowing, Granville Group‘s gearbox has entered into the CHINAMFG of intelligent manufacturing from professional manufacturing. As a group member, manufacturer, and driving solution provider with independent intellectual property rights and brand integrating research and development, producing various types of speed reduction transmission equipment as a whole.
The company is a national-level high-tech enterprise. It set up a transmission research institute, won provincial-level specialized, high-end and innovation-driven, municipal-level green factory and future factory honors, and has many listed companies and other high-quality customers.
Product Series
| RV/WP Worm Gear Reducer | It is widely applied in light industry automation industries such as food and beverage, textile, solar photovoltaic. |
| RSKF Helical Gear Reducer | It is widely applied in oil, metallurgy, mine, lifting, transportation, transportation, cement, construction, chemicals, textiles, printing and dyeing, pharmaceuticals, food, environmental protection and other industries. |
| SPN Planetary Gear Reducer | This product is widely applied in metallurgy, mining, cement, chemical industry, building materials, construction machinery, lifting, port and ship, belt transport and other segments. |
RV/WP Worm Gear Reducer Series
RV worm gearbox is made of die-cast aluminum alloy, with beautiful housing, compact structure, large transmission ratio, and self-locking function under certain conditions, which is 1 of the most commonly used reducers. With a wide range of installation methods, standard output forms, and input interfaces, it provides a highly flexible drive system. Small volume, good thermal exchange performance, fast heat dissipation, high transmission efficiency, suitable for all-round installation. It is widely applied in light industry automation industries such as food and beverage, textile, and solar photovoltaic.
| RV SERIES | |
| PRODUCT HIGHTS | |
| More Durable | Better Transmission Efficiency |
| RV reducer has the advantage of lighter and more durable than conventional worm gear reducer | Adopting European advanced technology design makes the reducer transmission efficiency even better. |
| INTRODUCTION | |
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RV reducer draws on the domestic and foreign technology, andhas a unique “square box” shape structure, which is die-casted from aluminumalloy. The housing has good appearance, compact structure and largetransmission ratio, and has self-locking function under certain conditions. Itis 1 of the most commonly used reducers. |
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| PARAMETERS | |
| Transmission Ratio | 7.5-100 double stage combination up to -10000 |
| Input Power | 0.06-7.5KW |
| Output Torque | 24.6-1192Nm |
| Input Type | IEC standard motor interface / NEMA motor interface, CHINAMFG input shaft |
| Output Type | hollow shaft, insert CHINAMFG shaft, flange |
| FEATURES | |
| RV worm gear reducer is a global HangZhoustone inthe industry. It has a variety of installation methods. As standard options,output forms and input interfaces provide a highly flexible drive system withsmall volume, good heat exchange performance, fast heat dissipation, smoothoperation, low vibration, low noise, high transmission efficiency and largeoutput torque. It is suitable for omnidirectional installation. | |
FACTORY
Our employees have the expertise and experience to provide excellent service to our customers and help them achieve their goals.
At the same time, we expect them to create an environment of teamwork and Shared responsibility. Our leaders must be logical, undistracted, accountable, and run the team with respect, trust, and fairness.
Safety is the fundamental value, which permeates our products, services and ways of working. We never compromise on the health and safety of our employees.
| TEST CENTER |
| GEAR FACTORY |
| ASSEMBLY SHOP |
| WAREHOUSING LOGISTICS |
ABOUT US
Granville Group
Granville Group started from London and gradually oriented to global markets through resource integration, the Granville’s businesses are present across 5 continents. We operate in 4 industry clusters: Components for Industry and automotive; Machine tools and mechatronics; Energy and New materials, and Healthcare.
Granville Industrial Co., Ltd.
Granville Industrial Co., Ltd., which was founded in Britain, and involved in various auto parts, is 1 of the important manufacturers and suppliers worldwide.
HangZhou Granville Mechanical and Electrical Co., Ltd.
To maximize meet customer needs and market requirements for flexible reactions, Granville research and development, design, manufacture, business integration, and almost the whole business process through HangZhou Granville Mechanical & Electrical Co., Ltd. since 2012. In main foreign markets, products are sold all over the world.
Granville Brands
| GIL | bearing and power transmission products |
| TANN | mounted bearing units and related accessories |
| G-TECH AUTOMOTIVE | automotive aftermarkt parts |
| YANGSEN | cnc machine tools |
| GIL ELECTRONIC | electrical motor product and solutions |
Values
| Corperate Culture | Discipline, Treats people the enthusiasm, Diversity, Teamwork |
| Our Core Value | Thoughtcast, Innovation, and Progressive |
| Focus | The company focuses on supply chain management and customer service |
You Can Get
Granville offers a full range of services to both OEM and aftermarket customers around the world, in every major industry, at each phase of the asset life cycle.
Granville advanced service solutions can help you to:
| Improve productivity |
| Reduce maintenance costs |
| Improve energy efficiency |
| Optimise designs |
| Reduce time to market |
| Reduce total cost of ownership |
We strictly follow the core of quality management process control:
| APQP | Advanced Product Quality PlHangZhou |
| SPC | Statistical Process Control |
| MSA | Measurement System Analysis |
| PFMCA | Potential Failure Modes and Consequences Analysis |
| PPAP | Production Part Approval Procedure |
Product Ranges
From conception, to innovation, to improve, we are in new transmission solution innovation is your trustworthy partner.
| Bearings | Machine Tools |
| CNC Machines | Chains |
| Sprockets | Transmission Parts |
| Automotive Spare Parts | Automation |
| in Vitro Diagnostic | Minerals |
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| Application: | Motor, Machinery, Agricultural Machinery, Car |
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| Function: | Distribution Power, Change Drive Torque, Speed Reduction |
| Layout: | Three-Ring |
| Samples: |
US$ 200/Set
1 Set(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How to Install and Align a Worm Reducer Properly
Proper installation and alignment of a worm reducer are crucial for ensuring optimal performance and longevity. Follow these steps to install and align a worm reducer:
- Preparation: Gather all the necessary tools, equipment, and safety gear before starting the installation process.
- Positioning: Place the worm reducer in the desired location, ensuring that it is securely mounted to a stable surface. Use appropriate fasteners and mounting brackets as needed.
- Shaft Alignment: Check the alignment of the input and output shafts. Use precision measurement tools to ensure that the shafts are parallel and in line with each other.
- Base Plate Alignment: Align the base plate of the reducer with the foundation or mounting surface. Ensure that the base plate is level and properly aligned before securing it in place.
- Bolt Tightening: Gradually and evenly tighten the mounting bolts to the manufacturer’s specifications. This helps ensure proper contact between the reducer and the mounting surface.
- Check for Clearance: Verify that there is enough clearance for any rotating components or parts that may move during operation. Avoid any interference that could cause damage or performance issues.
- Lubrication: Apply the recommended lubricant to the worm reducer according to the manufacturer’s guidelines. Proper lubrication is essential for smooth operation and reducing friction.
- Alignment Testing: After installation, run the worm reducer briefly without a load to check for any unusual noises, vibrations, or misalignment issues.
- Load Testing: Gradually introduce the intended load to the worm reducer and monitor its performance. Ensure that the reducer operates smoothly and efficiently under the load conditions.
It’s important to refer to the manufacturer’s installation guidelines and specifications for your specific worm reducer model. Proper installation and alignment will contribute to the gearbox’s reliability, efficiency, and overall functionality.

How to Calculate the Efficiency of a Worm Gearbox
Calculating the efficiency of a worm gearbox involves determining the ratio of output power to input power. Efficiency is a measure of how well the gearbox converts input power into useful output power without losses. Here’s how to calculate it:
- Step 1: Measure Input Power: Measure the input power (Pin) using a power meter or other suitable measuring equipment.
- Step 2: Measure Output Power: Measure the output power (Pout) that the gearbox is delivering to the load.
- Step 3: Calculate Efficiency: Calculate the efficiency (η) using the formula: Efficiency (η) = (Output Power / Input Power) * 100%
For example, if the input power is 1000 watts and the output power is 850 watts, the efficiency would be (850 / 1000) * 100% = 85%.
It’s important to note that efficiencies can vary based on factors such as gear design, lubrication, wear, and load conditions. The calculated efficiency provides insight into how effectively the gearbox is converting power, but it’s always a good practice to refer to manufacturer specifications for gearbox efficiency ratings.

Types of Worm Gear Configurations and Their Uses
Worm gear configurations vary based on the arrangement of the worm and the gear it engages with. Here are common types and their applications:
- Single Enveloping Worm Gear: This configuration offers high torque transmission and efficiency. It’s used in heavy-duty applications like mining equipment and industrial machinery.
- Double Enveloping Worm Gear: With increased contact area, this type provides higher load capacity and improved efficiency. It’s used in aerospace applications, robotics, and precision machinery.
- Non-Throated Worm Gear: This type has a cylindrical worm without a throat. It’s suitable for applications requiring precise motion control, such as CNC machines and robotics.
- Throated Worm Gear: Featuring a throat in the worm, this configuration offers smooth engagement and higher load capacity. It’s used in conveyors, elevators, and automotive applications.
- Non-Modular Worm Gear: In this design, the worm and gear are a matched set, resulting in better meshing and efficiency. It’s utilized in various industries where customization is essential.
- Modular Worm Gear: This type allows interchangeability of worm and gear components, providing flexibility in design and maintenance. It’s commonly used in conveyors, mixers, and material handling systems.
Selecting the appropriate worm gear configuration depends on factors such as load capacity, efficiency, precision, and application requirements. Consulting gearbox experts can help determine the best configuration for your specific needs.


editor by CX 2024-02-07