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China supplier RV Series Right Angle Shaft Worm Reduction Gear Reducer

Product Description

RV Series Right Angle Shaft worm Reduction Gear reducer 

Product Description

RV 571-150 worm gear box with flange and electric motor
RV+RV Double Stage Arrangement Reduction Gear Box
RV Series Worm Gearbox
worm speed reducer
rv worm gear motor

RV Series
Including RV / NMRV / NRV.
Main Characteristic of RV Series Worm Gearbox
RV series worm gear reducer is a new-generation product developed by CHINAMFG on the basis of perfecting WJ series products with a compromise of advanced technology both at home and abroad.
1. High-quality aluminum alloy, light in weight and non-rusting.
2. Large in output torque.
3. Smooth running and low noise,durable in dreadful conditions.
4. High radiation efficiency.
5. Good-looking appearance, durable in service life and small volume.
6. Suitable for omnibearing installation.

Main Materials of RV Series Worm Gearbox
1. Housing: die-cast aluminum alloy(frame size: 571 to 090), cast iron(frame size: 110 to 150).
2. Worm: 20Crm, carbonization quencher heat treatment makes the surface hardness of worm gears up to 56-62 HRX, retain carbonization layer’s thickness between 0.3 and 0.5mm after precise grinding.
3. Worm Wheel: wearable stannum bronze alloy.

SPEED RATIO 7.5~100
OUTPUT TORQUE <1050NM
IN POWER 0.09-11KW
MOUNTING TYPE FOOT-MOUNTED FLANGE-MOUNTED

 

When working, great load capacity, stable running, low noise with  high efficiency.
  Gear Box’s Usage Field
1 Metallurgy       11 Agitator  
2 Mine       12 Rotary weeder  
3 Machine       13 Metallurgy   
4 Energy       14 Compressor
5 Transmission     15 Petroleum industry
6 Water Conserbancy     16 Air Compressor
7 Tomacco       17 Crusher  
8 Medical       18 Materials
9 Packing     19 Electronics  
10 Chemical industry     20 Textile indutry
           
Power 0.06kw 0.09kw 0.12kw 0.18kw 0.25kw 0.37kw 0.55kw
0.75kw 1.1kw 1.5kw 2.2kw 3kw 4kw 5.5kw
7.5kw 11kw 15kw        
Torque 2.6N.m-3000N.m
Ratio 7.5-100, the double gearbox is  more
Color Blue, Silver or as customers’ need
Material Iron or Aluminium
Packing Carton with Plywood  Case or as clients’ requirement
Type RV571 RV030 RV040 RV050 RV063 RV075 RV090
Weight 0.7kg 1.3kg 2.3kg 3.5kg 6.2kg 9kg 13kg
Type RV110 RV130 RV150        
Weight 35kg 60kg 84kg        
Mounting Methods Foot Installation   Flange Installation
For various  mortor or double input/output shafts can be equipped

Product picture:

Structure:

Packing & Delivery:

Our company :

Customer visiting:

FAQ:
1.Q:What kinds of gearbox can you produce for us?
A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer,
P series planetary gearbox and R, S, K, and F series helical-tooth reducer, more
than 1 hundred models and thousands of specifications
2.Q:Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
3.Q:What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1 Set
Contact:

Welcome you contace me if you are interested in our product.
Our team will support any need you might have. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Machinery, Industry
Function: Speed Reduction
Layout: Orthogonal
Hardness: Hardened
Installation: Horizontal Type
Step: Single-Step
Customization:
Available

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winch drive

How do electronic or computer-controlled components integrate with winch drives in modern applications?

In modern applications, electronic or computer-controlled components play a crucial role in enhancing the functionality, precision, and safety of winch drives. These components integrate with winch drives to provide advanced control, monitoring, and automation capabilities. Here’s a detailed explanation of how electronic or computer-controlled components integrate with winch drives in modern applications:

  • Control Systems:

Electronic or computer-controlled components are used to create sophisticated control systems for winch drives. These control systems allow operators to precisely control the speed, direction, and position of the winch drive. By integrating sensors, actuators, and feedback mechanisms, the control system can monitor the operating conditions and adjust parameters in real-time to optimize performance. Control systems may include programmable logic controllers (PLCs), microcontrollers, or dedicated electronic control units (ECUs) that communicate with the winch drive to execute commands and maintain desired operating parameters.

  • Human-Machine Interfaces (HMIs):

Electronic components enable the integration of intuitive and user-friendly Human-Machine Interfaces (HMIs) with winch drives. HMIs provide a visual interface for operators to interact with the winch drive system. Touchscreen displays, buttons, switches, and graphical user interfaces (GUIs) allow operators to input commands, monitor system status, and access diagnostic information. HMIs also facilitate the adjustment of control parameters, alarm settings, and operational modes. The integration of HMIs enhances operator control and simplifies the operation of winch drives in modern applications.

  • Sensors and Feedback Systems:

Electronic sensors are employed to gather real-time data about various parameters related to the winch drive and the operating environment. These sensors can measure variables such as load weight, cable tension, speed, temperature, and motor current. The collected data is then fed back to the control system, allowing it to make informed decisions and adjustments. For example, if the load exceeds a predefined limit, the control system can send a signal to stop the winch drive or activate an alarm. Sensors and feedback systems ensure accurate monitoring of operating conditions and enable proactive control and safety measures.

  • Communication Protocols:

Electronic or computer-controlled components facilitate communication between winch drives and other devices or systems. Modern winch drives often support various communication protocols, such as Ethernet, CAN bus, Modbus, or Profibus, which enable seamless integration with higher-level control systems, supervisory systems, or industrial networks. This integration allows for centralized control, remote monitoring, and data exchange between the winch drive and other components or systems, enhancing coordination and automation in complex applications.

  • Automation and Programmability:

Electronic or computer-controlled components enable advanced automation and programmability features in winch drives. With the integration of programmable logic controllers (PLCs) or microcontrollers, winch drives can execute pre-programmed sequences of operations, follow specific load profiles, or respond to external commands and triggers. Automation reduces manual intervention, improves efficiency, and enables synchronized operation with other equipment or systems. Programmability allows customization and adaptation of winch drive behavior to meet specific application requirements.

  • Diagnostics and Condition Monitoring:

Electronic components enable comprehensive diagnostics and condition monitoring of winch drives. Built-in sensors, data logging capabilities, and advanced algorithms can monitor the health, performance, and operating parameters of the winch drive in real-time. This information can be used for predictive maintenance, early fault detection, and performance optimization. Additionally, remote access and network connectivity enable remote monitoring and troubleshooting, reducing downtime and improving maintenance efficiency.

In summary, electronic or computer-controlled components integrate with winch drives in modern applications to provide advanced control, monitoring, automation, and safety features. These components enable precise control, user-friendly interfaces, data-driven decision-making, communication with other systems, automation, and diagnostics. The integration of electronic components enhances the functionality, efficiency, and reliability of winch drives in a wide range of applications.

winch drive

What factors should be considered when selecting a winch drive for specific applications?

When selecting a winch drive for specific applications, several factors need to be considered to ensure optimal performance and compatibility. Here’s a detailed explanation of the key factors that should be taken into account:

  • Load Capacity:

The load capacity is one of the most critical factors to consider when selecting a winch drive. It refers to the maximum weight or force that the winch can handle safely and efficiently. It’s essential to evaluate the anticipated loads in the specific application and choose a winch drive with a sufficient load capacity to handle those loads. Selecting a winch drive with inadequate load capacity can result in safety hazards, reduced performance, and potential damage to the winch or the load being lifted or pulled.

  • Power Source:

The power source of the winch drive is another crucial consideration. Winch drives are available in electric, hydraulic, and pneumatic variants, each with its own advantages and limitations. The choice of power source depends on factors such as the availability of power, the required pulling power, and the specific application’s environmental conditions. Electric winch drives are commonly used due to their ease of use and versatility. Hydraulic winch drives offer high pulling power for heavy-duty applications, while pneumatic winch drives are suitable for hazardous or explosive environments where electrical components are not permitted.

  • Control Mechanisms:

The control mechanisms of the winch drive play a significant role in the efficiency and ease of operation. Consider the control options available for the winch drive, such as manual control, remote control, or integrated control systems. Remote control systems, for example, allow operators to control the winch drive from a safe distance, enhancing safety and flexibility. Additionally, some winch drives offer features like variable speed control, which allows for precise positioning and controlled movement of the load.

  • Environmental Conditions:

The environmental conditions in which the winch drive will be used should be carefully assessed. Some winch drives are designed to withstand harsh environments, such as extreme temperatures, moisture, dust, or corrosive substances. For example, in marine applications, winch drives need to be corrosion-resistant and capable of operating in wet and salty conditions. Assessing the specific environmental conditions and selecting a winch drive with appropriate protection and durability features ensures its longevity and reliable performance.

  • Mounting and Installation:

The mounting and installation requirements of the winch drive should be considered to ensure proper integration into the intended application. Evaluate factors such as space availability, mounting options (e.g., vehicle-mounted, structure-mounted, or portable), and compatibility with existing equipment or systems. Some winch drives may require additional accessories or modifications for installation, so it’s important to factor in these considerations during the selection process.

  • Safety Features:

Winch drives should be equipped with appropriate safety features to prevent accidents and ensure secure operation. Common safety features include overload protection, emergency stop mechanisms, limit switches, and braking systems for load holding. These safety features contribute to the safe operation of the winch drive and protect against potential hazards or damage caused by excessive loads or unexpected circumstances.

  • Reliability and Maintenance:

Consider the reliability and maintenance requirements of the winch drive. Look for winch drives from reputable manufacturers known for producing high-quality and reliable equipment. Assess factors such as maintenance intervals, ease of maintenance, availability of spare parts, and after-sales support. Choosing a winch drive that is reliable and has accessible maintenance options ensures minimal downtime and long-term cost-effectiveness.

By considering these factors when selecting a winch drive for specific applications, you can make an informed decision that aligns with the load requirements, power source availability, control preferences, environmental conditions, and safety considerations of your intended application.

winch drive

Can you describe the various types and configurations of winch drives available in the market?

There are several types and configurations of winch drives available in the market, each designed to suit specific applications and requirements. Here’s a detailed description of the various types and configurations of winch drives:

  • Electric Winch Drives:

Electric winch drives are powered by electric motors and are widely used in various industries. They are available in different load capacities and configurations. Electric winches are known for their ease of use, precise control, and relatively low maintenance requirements. They can be mounted on vehicles, equipment, or structures and are commonly used in applications such as vehicle recovery, marine operations, construction sites, and material handling.

  • Hydraulic Winch Drives:

Hydraulic winch drives are powered by hydraulic systems and offer high pulling power for heavy-duty applications. They are commonly used in industries such as construction, oil and gas, and marine operations. Hydraulic winch drives are known for their robustness, durability, and ability to handle extreme loads. They are often mounted on large vehicles, cranes, or offshore platforms. Hydraulic winch drives require hydraulic power sources, such as hydraulic pumps, and are suitable for applications that require continuous and sustained pulling power.

  • Pneumatic Winch Drives:

Pneumatic winch drives utilize compressed air as the power source. They are mainly used in hazardous or explosive environments where electric or hydraulic power sources are not suitable. Pneumatic winch drives are commonly found in industries such as mining, oil refineries, and chemical plants. They offer a high level of safety due to the absence of electrical components and are capable of handling heavy loads in challenging environments.

  • Planetary Winch Drives:

Planetary winch drives are a popular type of winch drive known for their compact size, high efficiency, and high torque output. They consist of a central sun gear, multiple planetary gears, and an outer ring gear. The planetary gear system allows for high torque multiplication while maintaining a compact design. Planetary winch drives are commonly used in off-road vehicles, ATV winches, and small to medium-sized industrial applications.

  • Worm Gear Winch Drives:

Worm gear winch drives utilize a worm gear mechanism to achieve high gear reduction ratios. They offer excellent load holding capabilities and are commonly used in applications where precise load control and safety are paramount. Worm gear winch drives are popular in industries such as construction, theater rigging, and material handling. They are known for their self-locking feature, which prevents backdriving and provides secure load holding.

  • Capstan Winch Drives:

Capstan winch drives are designed with a rotating drum or capstan instead of a traditional spool. They are commonly used in applications that require constant tension or controlled pulling speeds, such as in marine settings for mooring operations or on fishing vessels. Capstan winch drives offer efficient and continuous pulling power and are suitable for handling ropes, cables, or lines with minimal slippage.

  • Wire Rope Winch Drives:

Wire rope winch drives are specifically designed to handle wire ropes as the lifting or pulling medium. They are equipped with drums that accommodate wire ropes of different diameters and lengths. Wire rope winch drives are commonly used in industries such as construction, mining, and offshore operations. They offer high load capacities and are suitable for heavy-duty applications that require strength, durability, and resistance to abrasion.

These are some of the various types and configurations of winch drives available in the market. Each type has its own advantages and is designed to cater to specific applications and industry requirements. When selecting a winch drive, it’s important to consider factors such as load capacity, power source, control mechanisms, and environmental conditions to ensure optimal performance and efficiency.

China supplier RV Series Right Angle Shaft Worm Reduction Gear Reducer  China supplier RV Series Right Angle Shaft Worm Reduction Gear Reducer
editor by Dream 2024-05-09

China supplier Wpa 40 50 60 70 80 100 120 135 147 155 175 200 250 Conveyor Agricultural Machinery Shaft Mounted Aluminum Worm Gearbox Reducers for Excavator

Product Description


WPA 250 Conveyor Agricultural Machinery Shaft Mounted Aluminum Worm Gearbox Reducers For Excavator

Our Gearbox has many items for your choosing and we can produce as per your drawing or sample to meet your special request
1. Large output torque
2. Safe, reliable, economical and durable
3. Stable transmission, quiet operation
4. High carrying ability
5. High modularization design, may equip with various outer power input conveniently. Same machine type may equip with various power motor. It is easy to realize the combination and junction between every machine type
6. Transmission ratio: Fine division, wide scope. The combined machine type may form very large transmission ratio, i. E. Output very low rotary speed.
7. Form of installation: The position to be installed is not limited.
8. High strength, compact the box body of high strength cast iron, gear and gear shaft adapts the gas carbonization, quenching and fine grinding process, therefore the bearing capacity of unit volume is high.
9. Long life: Under the condition of correct type chosen(including choosing suitable operation parament ) normal operation and maintenance, the life if main parts speed reducer(except wearing parts)should not be less than 20000 hours. The wearing parts include lubricating oil, oil seal and bearing.
10. Low noise: Because main parts of speed reducer are processed, and tested critically, therefore the noise of speed reducer is low.
11.Our gear box have reached the advance international level, can replace the same kind of products imported.

HangZhou CHINAMFG Industry Co., Ltd. is a specialized supplier of a full range of chains, sprockets, gears, gear racks, gearbox, v belt pulley, timing pulley, V-belts, couplings, machined parts and so on.

Due to our CHINAMFG in offering best service to our clients, understanding of your needs and overriding sense of responsibility toward filling ordering requirements, we have obtained the trust of buyers worldwide. Having accumulated precious experience in cooperating with foreign customers, our products are selling well in the American, European, South American and Asian markets.Our products are manufactured by modern computerized machinery and equipment. Meanwhile, our products are manufactured according to high quality standards, and complying with the international advanced standard criteria.

With many years’ experience in this line, we will be trusted by our advantages in competitive price, one-time delivery, prompt response, on-hand engineering support and good after-sales services.

Additionally, all our production procedures are in compliance with ISO9001 standards. We also can design and make non-standard products to meet customers’ special requirements. Quality and credit are the bases that make a corporation alive. We will provide best services and high quality products with all sincerity. If you need any information or samples, please contact us and you will have our soon reply.

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Machinery, Marine, Agricultural Machinery
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

winch drive

How do winch drives contribute to the adaptability and versatility of mechanical systems in various settings?

Winch drives play a significant role in enhancing the adaptability and versatility of mechanical systems in various settings. Here’s a detailed explanation of how winch drives contribute to adaptability and versatility:

  • Flexible Load Handling:

Winch drives offer flexibility in load handling, allowing mechanical systems to adapt to different requirements. They can handle a wide range of loads, from light to heavy, and provide precise control over the lifting, lowering, and positioning of loads. The ability to adjust the speed, torque, and direction of the winch drive enables it to accommodate different load characteristics and operational needs. This flexibility makes winch drives suitable for a variety of applications, including construction, manufacturing, marine, entertainment, and transportation industries.

  • Variable Speed and Control:

Winch drives provide variable speed control, allowing mechanical systems to adapt to different operating conditions and tasks. The speed of the winch drive can be adjusted to match the specific requirements of the application, whether it involves slow and precise movements or fast and efficient operations. Additionally, winch drives offer precise control over acceleration, deceleration, and stopping, enabling smooth and controlled movements. This variable speed and control capability enhance the adaptability and versatility of mechanical systems in handling diverse tasks and operating in different environments.

  • Multiple Mounting Options:

Winch drives are available in various configurations and mounting options, offering flexibility in installation and integration into different mechanical systems. They can be mounted horizontally, vertically, or at custom angles, depending on the specific requirements of the application. This versatility in mounting options allows winch drives to be easily incorporated into existing systems or adapted to fit space constraints in different settings. Whether it’s a stationary installation, mobile equipment, or overhead lifting system, winch drives can be positioned and mounted in a way that optimizes their functionality and adaptability.

  • Integration with Control Systems:

Winch drives can be integrated with control systems, automation technologies, and other mechanical components, enhancing the adaptability and versatility of the overall system. They can be connected to programmable logic controllers (PLCs), human-machine interfaces (HMIs), or central control systems, enabling seamless integration and coordination with other equipment and processes. This integration allows for synchronized operations, centralized control, and automation of complex tasks, making the mechanical system more adaptable to changing requirements and versatile in different settings.

  • Modularity and Scalability:

Winch drives often have modular designs, which facilitate easy customization, expansion, and scalability of mechanical systems. Additional winch drives can be added or existing ones can be reconfigured to accommodate changing load capacities or operational needs. This modularity allows mechanical systems to adapt to evolving requirements without significant redesign or replacement of the entire system. It provides the flexibility to scale up or down the capabilities of the system, making it versatile and adaptable to different settings and applications.

In summary, winch drives contribute to the adaptability and versatility of mechanical systems through their flexible load handling capabilities, variable speed and control, multiple mounting options, integration with control systems, and modularity. By incorporating winch drives, mechanical systems can adapt to different tasks, environments, and operational demands, making them versatile and suitable for a wide range of settings and applications.

winch drive

How do winch drives contribute to precise and controlled movement in lifting operations?

Winch drives play a crucial role in achieving precise and controlled movement in lifting operations. They provide the necessary power and control to lift and lower loads in a controlled manner. Here’s a detailed explanation of how winch drives contribute to precise and controlled movement in lifting operations:

  • Pulling Power:

Winch drives are designed to generate substantial pulling power, allowing them to lift heavy loads. The power output of the winch drive is determined by factors such as the type of drive (electric, hydraulic, or pneumatic), motor power, and gear ratios. The high pulling power of winch drives enables them to handle loads with precision and control, even in challenging lifting scenarios.

  • Variable Speed Control:

Many winch drives offer variable speed control, allowing operators to adjust the lifting or lowering speed according to the specific requirements of the operation. This feature enables precise movement control, particularly when dealing with delicate or sensitive loads. Operators can slow down the speed for fine positioning or speed up the operation for more efficient lifting, depending on the situation. Variable speed control enhances the precision and control of the lifting process, minimizing the risk of load damage or accidents.

  • Braking Systems:

Winch drives are typically equipped with braking systems to ensure load holding and prevent unintended movement. The braking systems are designed to engage when the winch motor is not actively pulling or lowering the load, effectively immobilizing the load at the desired position. This feature allows for precise control over the load’s movement and prevents it from unintentionally drifting or descending. The braking systems contribute to the overall safety and stability of the lifting operation.

  • Control Mechanisms:

The control mechanisms of winch drives play a significant role in achieving precise and controlled movement. Winch drives can be operated manually, through remote control systems, or integrated control interfaces. Remote control systems, for example, enable operators to control the winch drive from a safe distance, providing better visibility and control over the lifting operation. Integrated control interfaces often offer additional features such as load monitoring, digital displays, and programmable settings, allowing for more precise and controlled movement of the load.

  • Load Monitoring and Safety Features:

Winch drives may incorporate load monitoring systems and safety features to further enhance precise and controlled movement. Load monitoring systems provide real-time feedback on the load’s weight, allowing operators to adjust the lifting parameters accordingly. Safety features such as overload protection and limit switches prevent the winch drive from operating beyond its capacity or reaching unsafe positions, ensuring controlled movement and preventing damage or accidents.

By combining their pulling power, variable speed control, braking systems, control mechanisms, and safety features, winch drives enable precise and controlled movement in lifting operations. They provide the necessary power, control, and safety measures to handle heavy loads with accuracy, minimizing the risk of load damage, accidents, or injuries. The precise and controlled movement achieved through winch drives enhances operational efficiency, load positioning, and overall safety in lifting operations.

winch drive

What are the advantages of using a winch drive in comparison to other lifting mechanisms?

Using a winch drive as a lifting mechanism offers several advantages over other lifting mechanisms. The unique characteristics and capabilities of winch drives make them a preferred choice in various applications. Here’s a detailed explanation of the advantages of using a winch drive in comparison to other lifting mechanisms:

  • Versatility:

Winch drives offer versatility in terms of their application and adaptability to different industries. They can be utilized in a wide range of scenarios, including off-road recovery, marine operations, construction sites, and recreational activities. Winch drives can handle various load sizes and weights, making them suitable for both light and heavy lifting tasks. The ability to use winch drives in diverse environments and industries makes them a flexible and versatile choice for lifting and pulling operations.

  • Control and Precision:

Winch drives provide precise control over the lifting and pulling operation. The gearing system allows operators to adjust the speed and direction of the winch drive, enabling accurate positioning and controlled movement of the load. This level of control is particularly beneficial in applications where precise load placement or delicate handling is required. Winch drives allow for fine adjustments and smooth operation, resulting in improved precision and reduced risk of damage to the load or surrounding structures.

  • Pulling Power:

Winch drives are designed to generate significant pulling power, allowing them to handle heavy loads effectively. The power source, whether it’s an electric motor or hydraulic system, provides the necessary energy to generate substantial pulling force. This makes winch drives suitable for tasks that involve moving or lifting heavy objects, such as in construction, industrial settings, or vehicle recovery. The pulling power of winch drives gives them an advantage over other lifting mechanisms that may have limited capacity or require additional equipment for handling heavier loads.

  • Compactness and Portability:

Winch drives are generally compact and portable, which enhances their usability in various settings. They can be easily mounted on vehicles, equipment, or structures, offering mobility and convenience. Compact winch drives are particularly useful in off-road vehicles, where space may be limited. The portability of winch drives allows for flexibility in different applications and enables their use in remote or challenging locations where other lifting mechanisms may not be easily accessible.

  • Safety:

Winch drives are designed with safety features to ensure secure and controlled lifting operations. These features may include overload protection, emergency stop mechanisms, and limit switches. The braking system in winch drives provides reliable load holding, preventing unintentional load release. Additionally, winch drives can be equipped with remote control systems, allowing operators to maintain a safe distance during operation. The safety features and control mechanisms of winch drives contribute to enhanced safety and minimize the risk of accidents or injuries.

These advantages make winch drives a preferred choice over other lifting mechanisms in many applications. The versatility, control, pulling power, compactness, portability, and safety features of winch drives provide distinct benefits that cater to the specific requirements of lifting and pulling operations in various industries and scenarios.

China supplier Wpa 40 50 60 70 80 100 120 135 147 155 175 200 250 Conveyor Agricultural Machinery Shaft Mounted Aluminum Worm Gearbox Reducers for Excavator  China supplier Wpa 40 50 60 70 80 100 120 135 147 155 175 200 250 Conveyor Agricultural Machinery Shaft Mounted Aluminum Worm Gearbox Reducers for Excavator
editor by CX 2024-03-24