Tag Archives: reducer flange

China best Flange Mounting Cycloidal Reducer Geared Motor vacuum pump diy

Product Description

Starshine Drive Cycloid Geared Motor Characteristics

1. Features:
1. Smooth running,low noise gear tooth needle more engagement.
2. Cycloidal tooth profile provides a high contact ratio to withstand overload shocks
3. Compact size: single ratio available from 1/9 to 1/87, double stage up from 1/99 to 1/7569 
4. Ideal for dynamic applications: frequent start-stop-reversing duties suits for cyclo speed reducer since inertia is low
5. Reduce maintenance costs: high reliability, long life, minimal maintenance compared to conventional gearboxes
6. Internal parts replaceable with other brands to ensure running.

7. Grease Lubricated & Oil Lubricated Models Available
8. Output Shaft Rotation Direction: Single Reduction: Clockwise Rotation; Double Reduction→ Counter Clockwise Rotation
9. Ambient Conditions: Indoor Installation:10-40 Celsius, Max 85% Humidity, Under 1000m Altitude, Well Ventilated Environment, Free of corrosive,        explosive gases, vapors and dust
10.Slow Speed Shaft Direction: Horizontal, Vertical Up & Down, Universal Direction
11.Mounting Style: Foot Mount, Flange Mount & Vertical F-flange Mount,
12. Input Connection: Cyclo Integral Motor, Hollow Input Shaft Adapter
13. Coupling Method With Driven Machine: Coupling, Gears, Chain Sprocket Or Belt
14. Cycloid reducer Capacity Range: 0.37kW ~ 11kW;

2. Technical parameters

Type Old Type Output Torque Output Shaft Dia.
SXJ00 JXJ00 98N.m φ30
SXJ01 JXJ01 221N.m φ35
SXJ02 JXJ02 448N.m φ45
SXJ03 JXJ03 986N.m φ55
SXJ04 JXJ04 1504N.m φ70
SXJ05 JXJ05 3051N.m φ90
SXJ06 JXJ06 5608N.m φ100

About Us

ZheJiang CHINAMFG Drive Co.,Ltd,the predecessor was a state-owned military mould enterprise, was established in 1965. CHINAMFG specializes in the complete power transmission solution for high-end equipment manufacturing industries based on the aim of “Platform Product, Application Design and Professional Service”.
CHINAMFG have a strong technical force with over 350 employees at present, including over 30 engineering technicians, 30 quality inspectors, covering an area of 80000 square CHINAMFG and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.

Our Team

Quality Control
Quality:Insist on Improvement,Strive for Excellence With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission  
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value

3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective 
measures to prevent recurrence.

4. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend;
 found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state.

5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of 
customer expectations and needs.

6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the 
product is a product inspection to determine the qualified products.

7. Certification.

Packing

Delivery

  /* 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, Agricultural Machinery, Ceramic
Hardness: Hardened Tooth Surface
Installation: Vertical or Horizotal Type
Layout: Coaxial
Gear Shape: Planetary Conedisk Friction Type
Step: Single-Step
Customization:
Available

|

gear motor

What are the maintenance requirements for gear motors, and how can longevity be maximized?

Gear motors, like any mechanical system, require regular maintenance to ensure optimal performance and longevity. Proper maintenance practices help prevent failures, minimize downtime, and extend the lifespan of gear motors. Here are some maintenance requirements for gear motors and ways to maximize their longevity:

1. Lubrication:

Regular lubrication is essential for gear motors to reduce friction, wear, and heat generation. The gears, bearings, and other moving parts should be properly lubricated according to the manufacturer’s recommendations. Lubricants should be selected based on the motor’s specifications and operating conditions. Regular inspection and replenishment of lubricants, as well as periodic oil or grease changes, should be performed to maintain optimal lubrication levels and ensure long-lasting performance.

2. Inspection and Cleaning:

Regular inspection and cleaning of gear motors are crucial for identifying any signs of wear, damage, or contamination. Inspecting the gears, bearings, shafts, and connections can help detect any abnormalities or misalignments. Cleaning the motor’s exterior and ventilation channels to remove dust, debris, or moisture buildup is also important in preventing malfunctions and maintaining proper cooling. Any loose or damaged components should be repaired or replaced promptly.

3. Temperature and Environmental Considerations:

Monitoring and controlling the temperature and environmental conditions surrounding gear motors can significantly impact their longevity. Excessive heat can degrade lubricants, damage insulation, and lead to premature component failure. Ensuring proper ventilation, heat dissipation, and avoiding overloading the motor can help manage temperature effectively. Similarly, protecting gear motors from moisture, dust, chemicals, and other environmental contaminants is vital to prevent corrosion and damage.

4. Load Monitoring and Optimization:

Monitoring and optimizing the load placed on gear motors can contribute to their longevity. Operating gear motors within their specified load and speed ranges helps prevent excessive stress, overheating, and premature wear. Avoiding sudden and frequent acceleration or deceleration, as well as preventing overloading or continuous operation near the motor’s maximum capacity, can extend its lifespan.

5. Alignment and Vibration Analysis:

Proper alignment of gear motor components, such as gears, couplings, and shafts, is crucial for smooth and efficient operation. Misalignment can lead to increased friction, noise, and premature wear. Regularly checking and adjusting alignment, as well as performing vibration analysis, can help identify any misalignment or excessive vibration that may indicate underlying issues. Addressing alignment and vibration problems promptly can prevent further damage and maximize the motor’s longevity.

6. Preventive Maintenance and Regular Inspections:

Implementing a preventive maintenance program is essential for gear motors. This includes establishing a schedule for routine inspections, lubrication, and cleaning, as well as conducting periodic performance tests and measurements. Following the manufacturer’s guidelines and recommendations for maintenance tasks, such as belt tension checks, bearing replacements, or gear inspections, can help identify and address potential issues before they escalate into major failures.

By adhering to these maintenance requirements and best practices, the longevity of gear motors can be maximized. Regular maintenance, proper lubrication, load optimization, temperature control, and timely repairs or replacements of worn components contribute to the reliable operation and extended lifespan of gear motors.

gear motor

How does the voltage and power rating of a gear motor impact its suitability for different tasks?

The voltage and power rating of a gear motor are important factors that influence its suitability for different tasks. These specifications determine the motor’s electrical characteristics and its ability to perform specific tasks effectively. Here’s a detailed explanation of how voltage and power rating impact the suitability of a gear motor for different tasks:

1. Voltage Rating:

The voltage rating of a gear motor refers to the electrical voltage it requires to operate optimally. Here’s how the voltage rating affects suitability:

  • Compatibility with Power Supply: The gear motor’s voltage rating must match the available power supply. Using a motor with a voltage rating that is too high or too low for the power supply can lead to improper operation or damage to the motor.
  • Electrical Safety: Adhering to the specified voltage rating ensures electrical safety. Using a motor with a higher voltage rating than recommended can pose safety hazards, while using a motor with a lower voltage rating may result in inadequate performance.
  • Application Flexibility: Different tasks or applications may have specific voltage requirements. For example, low-voltage gear motors are commonly used in battery-powered devices or applications with low-power requirements, while high-voltage gear motors are suitable for industrial applications or tasks that require higher power output.

2. Power Rating:

The power rating of a gear motor indicates its ability to deliver mechanical power. It is typically specified in units of watts (W) or horsepower (HP). The power rating impacts the suitability of a gear motor in the following ways:

  • Load Capacity: The power rating determines the maximum load that a gear motor can handle. Motors with higher power ratings are capable of driving heavier loads or handling tasks that require more torque.
  • Speed and Torque: The power rating affects the motor’s speed and torque characteristics. Motors with higher power ratings generally offer higher speeds and greater torque output, making them suitable for applications that require faster operation or the ability to overcome higher resistance or loads.
  • Efficiency and Energy Consumption: The power rating is related to the motor’s efficiency and energy consumption. Higher power-rated motors may be more efficient, resulting in lower energy losses and reduced operating costs over time.
  • Thermal Considerations: Motors with higher power ratings may generate more heat during operation. It is crucial to consider the motor’s power rating in relation to its thermal management capabilities to prevent overheating and ensure long-term reliability.

Considerations for Task Suitability:

When selecting a gear motor for a specific task, it is important to consider the following factors in relation to the voltage and power rating:

  • Required Torque and Load: Assess the torque and load requirements of the task to ensure that the gear motor’s power rating is sufficient to handle the expected load without being overloaded.
  • Speed and Precision: Consider the desired speed and precision of the task. Motors with higher power ratings generally offer better speed control and accuracy.
  • Power Supply Availability: Evaluate the availability and compatibility of the power supply with the gear motor’s voltage rating. Ensure that the power supply can provide the required voltage for the motor’s optimal operation.
  • Environmental Factors: Consider any specific environmental factors, such as temperature or humidity, that may impact the gear motor’s performance. Ensure that the motor’s voltage and power ratings are suitable for the intended operating conditions.

In summary, the voltage and power rating of a gear motor have significant implications for its suitability in different tasks. The voltage rating determines compatibility with the power supply and ensures electrical safety, while the power rating influences load capacity, speed, torque, efficiency, and thermal considerations. When choosing a gear motor, it is crucial to carefully evaluate the task requirements and consider the voltage and power rating in relation to factors such as torque, speed, power supply availability, and environmental conditions.

gear motor

Can you explain the advantages of using gear motors in various mechanical systems?

Gear motors offer several advantages when utilized in various mechanical systems. Their unique characteristics make them well-suited for applications that require controlled power transmission, precise speed control, and torque amplification. Here’s a detailed explanation of the advantages of using gear motors:

1. Torque Amplification:

One of the key advantages of gear motors is their ability to amplify torque. By using different gear ratios, gear motors can increase or decrease the output torque from the motor. This torque amplification is crucial in applications that require high torque output, such as lifting heavy loads or operating machinery with high resistance. Gear motors allow for efficient power transmission, enabling the system to handle demanding tasks effectively.

2. Speed Control:

Gear motors provide precise speed control, allowing for accurate and controlled movement in mechanical systems. By selecting the appropriate gear ratio, the rotational speed of the output shaft can be adjusted to match the requirements of the application. This speed control capability ensures that the mechanical system operates at the desired speed, whether it needs to be fast or slow. Gear motors are commonly used in applications such as conveyors, robotics, and automated machinery, where precise speed control is essential.

3. Directional Control:

Another advantage of gear motors is their ability to control the rotational direction of the output shaft. By using different types of gears, such as spur gears, bevel gears, or worm gears, the direction of rotation can be easily changed. This directional control is beneficial in applications that require bidirectional movement, such as in actuators, robotic arms, and conveyors. Gear motors offer reliable and efficient directional control, contributing to the versatility and functionality of mechanical systems.

4. Efficiency and Power Transmission:

Gear motors are known for their high efficiency in power transmission. The gear system helps distribute the load across multiple gears, reducing the strain on individual components and minimizing power losses. This efficient power transmission ensures that the mechanical system operates with optimal energy utilization and minimizes wasted power. Gear motors are designed to provide reliable and consistent power transmission, resulting in improved overall system efficiency.

5. Compact and Space-Saving Design:

Gear motors are compact in size and offer a space-saving solution for mechanical systems. By integrating the motor and gear system into a single unit, gear motors eliminate the need for additional components and reduce the overall footprint of the system. This compact design is especially beneficial in applications with limited space constraints, allowing for more efficient use of available space while still delivering the necessary power and functionality.

6. Durability and Reliability:

Gear motors are designed to be robust and durable, capable of withstanding demanding operating conditions. The gear system helps distribute the load, reducing the stress on individual gears and increasing overall durability. Additionally, gear motors are often constructed with high-quality materials and undergo rigorous testing to ensure reliability and longevity. This makes gear motors well-suited for continuous operation in industrial and commercial applications, where reliability is crucial.

By leveraging the advantages of torque amplification, speed control, directional control, efficiency, compact design, durability, and reliability, gear motors provide a reliable and efficient solution for various mechanical systems. They are widely used in industries such as robotics, automation, manufacturing, automotive, and many others, where precise and controlled mechanical power transmission is essential.

China best Flange Mounting Cycloidal Reducer Geared Motor   vacuum pump diyChina best Flange Mounting Cycloidal Reducer Geared Motor   vacuum pump diy
editor by CX 2024-05-15

China Good quality Multi Purpose Reducer Gear Box RV20-130 Reducing Gearbox Gear Reduction Motor with Flange vacuum pump oil near me

Product Description

RV series right angle aluminum worm gearbox

Features:
1) compact structure, light size, small and high efficiency
2) good function of heat exchange, rapid heat rejection
3) easy installation and flexible connecting style. Easy for maintaining and checking
4) large in both transmission ratio and twisting style. Easy for maintaining and checking
5) stable operation, little noise, long lasting
6) widely applicable and liable

Specifications:
Worm Reducer in Aluminum Alloy is made with European technology.
Its structure, outline and installation dimensions as well as performance are same with that of
Europe an products, they are interchangeable, and the materials and machining process are adv-
Anced internationally. The product is featured by:
1. Low noise and temperature rise.
2. High bearing capability, smooth ruuning and long service life.
3. Compact structure, samll volume, light weight, beautiful shape and easy to install.
4. Can run continuously under server environment, and has a good reliability.

Gear Box’s Usage Field Gear Box’s Usage:
1 Metallurgy / Agitator
2 Mine / Blast fan
3 Machine / Hoister
4 Energy / Compressor
5 Transportation / Petroleum industry
6 Water Conserbancy / Air Compressor
7 Tomacco / Crusher
8 Pharmacy / Plastic extruder
9 Printing Package / Conveyer
10 Chemical industry / Textile indutry

Parameters:
Power0.12kw-7.5kw
Torque2.6M2N. M-1070M2N. M
Ratio7.5-100
ColorChinese Red or as clients’ requirement
MaterialNodular Cast Iron or as clients’ requirement
PackingPlywood Carton Box or as clients’ requirement
TypeRV25RV30RV40RV50RV63RV75RV90
RV110RV130
Mounting PositionBase mounted with CHINAMFG shaft or hollow shaft
Installation of output flange with CHINAMFG shaft or hollow shaft
Packing & Delivery:

Packing Images of RV series Worm Gear rv Reducer rv gear worm wheel gearbox
Inner Packing: PP bag with carton;
Outer Packing: Wooden case;
Shipment: 20-30 days CHINAMFG receiving the deposit.

About us:
HangZhou CHINAMFG machinery technology Co., Ltd is an industry transmission solutions manufacuturer and service provider.

We offer 1 stop solution for power transmission products for different factories, such as chemicals, energy, material handling, environmental, extraction, pulp and paper, steel and metal, food and beverage, and construction industries.

We supply: Customised gears, Small gearmotors, Industrial gearboxes, Motors, Brand product sourcing.

Our industrial Gear, Gearbox, gearmotor and motor are sold to more than 30 countries. High quality, good price, in time response and sincere service are our value and promises. We aim at making happy cooperation with our customers, bring them reliable and comfortable service. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Industry
Function: Speed Reduction
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Customization:
Available

|

gear motor

Can gear motors be used in robotics, and if so, what are some notable applications?

Yes, gear motors are widely used in robotics due to their ability to provide torque, precise control, and compact size. They play a crucial role in various robotic applications, enabling the movement, manipulation, and control of robotic systems. Here are some notable applications of gear motors in robotics:

1. Robotic Arm Manipulation:

Gear motors are commonly used in robotic arms to provide precise and controlled movement. They enable the articulation of the arm’s joints, allowing the robot to reach different positions and orientations. Gear motors with high torque capabilities are essential for lifting, rotating, and manipulating objects with varying weights and sizes.

2. Mobile Robots:

Gear motors are employed in mobile robots, including wheeled robots and legged robots, to drive their locomotion. They provide the necessary torque and control for the robot to move, turn, and navigate in different environments. Gear motors with appropriate gear ratios ensure the robot’s mobility, stability, and maneuverability.

3. Robotic Grippers and End Effectors:

Gear motors are used in robotic grippers and end effectors to control the opening, closing, and gripping force. By integrating gear motors into the gripper mechanism, robots can grasp and manipulate objects of various shapes, sizes, and weights. The gear motors enable precise control over the gripping action, allowing the robot to handle delicate or fragile objects with care.

4. Autonomous Drones and UAVs:

Gear motors are utilized in the propulsion systems of autonomous drones and unmanned aerial vehicles (UAVs). They drive the propellers or rotors, providing the necessary thrust and control for the drone’s flight. Gear motors with high power-to-weight ratios, efficient energy conversion, and precise speed control are crucial for achieving stable and maneuverable flight in drones.

5. Humanoid Robots:

Gear motors are integral to the movement and functionality of humanoid robots. They are used in robotic joints, such as hips, knees, and shoulders, to enable human-like movements. Gear motors with appropriate torque and speed capabilities allow humanoid robots to walk, run, climb stairs, and perform complex motions resembling human actions.

6. Robotic Exoskeletons:

Gear motors play a vital role in robotic exoskeletons, which are wearable robotic devices designed to augment human strength and assist in physical tasks. Gear motors are used in the exoskeleton’s joints and actuators, providing the necessary torque and control to enhance human abilities. They enable users to perform tasks with reduced effort, assist in rehabilitation, or provide support in physically demanding environments.

These are just a few notable applications of gear motors in robotics. Their versatility, torque capabilities, precise control, and compact size make them indispensable components in various robotic systems. Gear motors enable robots to perform complex tasks, move with agility, interact with the environment, and assist humans in a wide range of applications, from industrial automation to healthcare and exploration.

gear motor

What is the significance of gear reduction in gear motors, and how does it affect efficiency?

Gear reduction plays a significant role in gear motors as it enables the motor to deliver higher torque while reducing the output speed. This feature has several important implications for gear motors, including enhanced power transmission, improved control, and potential trade-offs in terms of efficiency. Here’s a detailed explanation of the significance of gear reduction in gear motors and its effect on efficiency:

Significance of Gear Reduction:

1. Increased Torque: Gear reduction allows gear motors to generate higher torque output compared to a motor without gears. By reducing the rotational speed at the output shaft, gear reduction increases the mechanical advantage of the system. This increased torque is beneficial in applications that require high torque to overcome resistance, such as lifting heavy loads or driving machinery with high inertia.

2. Improved Control: Gear reduction enhances the control and precision of gear motors. By reducing the speed, gear reduction allows for finer control over the motor’s rotational movement. This is particularly important in applications that require precise positioning or accurate speed control. The gear reduction mechanism enables gear motors to achieve smoother and more controlled movements, reducing the risk of overshooting or undershooting the desired position.

3. Load Matching: Gear reduction helps match the motor’s power characteristics to the load requirements. Different applications have varying torque and speed requirements. Gear reduction allows the gear motor to achieve a better match between the motor’s power output and the specific requirements of the load. It enables the motor to operate closer to its peak efficiency by optimizing the torque-speed trade-off.

Effect on Efficiency:

While gear reduction offers several advantages, it can also affect the efficiency of gear motors. Here’s how gear reduction impacts efficiency:

1. Mechanical Efficiency: The gear reduction process introduces mechanical components such as gears, bearings, and lubrication systems. These components introduce additional friction and mechanical losses into the system. As a result, some energy is lost in the form of heat during the gear reduction process. The efficiency of the gear motor is influenced by the quality of the gears, the lubrication used, and the overall design of the gear system. Well-designed and properly maintained gear systems can minimize these losses and optimize mechanical efficiency.

2. System Efficiency: Gear reduction affects the overall system efficiency by impacting the motor’s electrical efficiency. In gear motors, the motor typically operates at higher speeds and lower torques compared to a direct-drive motor. The overall system efficiency takes into account both the electrical efficiency of the motor and the mechanical efficiency of the gear system. While gear reduction can increase the torque output, it also introduces additional losses due to increased mechanical complexity. Therefore, the overall system efficiency may be lower compared to a direct-drive motor for certain applications.

It’s important to note that the efficiency of gear motors is influenced by various factors beyond gear reduction, such as motor design, control systems, and operating conditions. The selection of high-quality gears, proper lubrication, and regular maintenance can help minimize losses and improve efficiency. Additionally, advancements in gear technology, such as the use of precision gears and improved lubricants, can contribute to higher overall efficiency in gear motors.

In summary, gear reduction is significant in gear motors as it provides increased torque, improved control, and better load matching. However, gear reduction can introduce mechanical losses and affect the overall efficiency of the system. Proper design, maintenance, and consideration of application requirements are essential to optimize the balance between torque, speed, and efficiency in gear motors.

gear motor

What is a gear motor, and how does it combine the functions of gears and a motor?

A gear motor is a type of motor that incorporates gears into its design to combine the functions of gears and a motor. It consists of a motor, which provides the mechanical power, and a set of gears, which transmit and modify this power to achieve specific output characteristics. Here’s a detailed explanation of what a gear motor is and how it combines the functions of gears and a motor:

A gear motor typically consists of two main components: the motor and the gear system. The motor is responsible for converting electrical energy into mechanical energy, generating rotational motion. The gear system, on the other hand, consists of multiple gears with different sizes and tooth configurations. These gears are meshed together in a specific arrangement to transmit and modify the output torque and speed of the motor.

The gears in a gear motor serve several functions:

1. Torque Amplification:

One of the primary functions of the gear system in a gear motor is to amplify the torque output of the motor. By using gears with different sizes, the input torque can be effectively multiplied or reduced. This allows the gear motor to provide higher torque at lower speeds or lower torque at higher speeds, depending on the gear arrangement. This torque amplification is beneficial in applications where high torque is required, such as in heavy machinery or vehicles.

2. Speed Reduction or Increase:

The gear system in a gear motor can also be used to reduce or increase the rotational speed of the motor output. By utilizing gears with different numbers of teeth, the gear ratio can be adjusted to achieve the desired speed output. For example, a gear motor with a higher gear ratio will output lower speed but higher torque, whereas a gear motor with a lower gear ratio will output higher speed but lower torque. This speed control capability allows for precise matching of motor output to the requirements of specific applications.

3. Directional Control:

Gears in a gear motor can be used to control the direction of rotation of the motor output shaft. By employing different combinations of gears, such as spur gears, bevel gears, or worm gears, the rotational direction can be changed. This directional control is crucial in applications where bidirectional movement is required, such as in conveyor systems or robotic arms.

4. Load Distribution:

The gear system in a gear motor helps distribute the load evenly across multiple gears, which reduces the stress on individual gears and increases the overall durability and lifespan of the motor. By sharing the load among multiple gears, the gear motor can handle higher torque applications without putting excessive strain on any particular gear. This load distribution capability is especially important in heavy-duty applications that require continuous operation under demanding conditions.

By combining the functions of gears and a motor, gear motors offer several advantages. They provide torque amplification, speed control, directional control, and load distribution capabilities, making them suitable for various applications that require precise and controlled mechanical power. Gear motors are commonly used in industries such as robotics, automotive, manufacturing, and automation, where reliable and efficient power transmission is essential.

China Good quality Multi Purpose Reducer Gear Box RV20-130 Reducing Gearbox Gear Reduction Motor with Flange   vacuum pump oil near me		China Good quality Multi Purpose Reducer Gear Box RV20-130 Reducing Gearbox Gear Reduction Motor with Flange   vacuum pump oil near me
editor by CX 2024-02-05