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Industrial Planetary Gearbox Suppliers

INI Hydraulic Co., Ltd.

  • 27+

    Years Industry Experience

  • 150000+

    Factory Area

  • 450+

    Skillful Employees

  • 18+

    Advanced Production Line

INI Hydraulic Co., Ltd. has specialized in designing and manufacturing hydraulic winches, hydraulic motors and planetary gearboxes for more than twenty years. We are one of the professional China Industrial Planetary Gearbox Suppliers and Planetary Gearbox Factory . Customizing to optimize customers’ ingenious equipment designs is our way to stay alive robustly in the market. Over 26 years, driven by the commitment of always innovating to satisfy customers’ needs, we have developed a wide range of product lines based on our self-developed technologies. The wide spectrum of products, each correlating intimately, contains hydraulic and electric winches, planetary gearboxes, slewing drives, transmission drives, hydraulic motors, pumps and hydraulic systems.

The reliability of our products has been proven strongly in diverse applications, including not limiting industrial machinery, construction machinery, ship & deck machinery, off-shore equipment, mining and metallurgical machinery.

Besides, our product quality has been approved by multiple worldwide renowned certificate bodies. The certifications, that our products have obtained, include EC-Type Examination Certificate, BV MODE, DNV GL Certificate, EC Attestation of Conformity, Certificate of Type Approval for Marine Product and Lloyd’s Register Quality Assurance. So far, besides China, our domestic market, we have widely exported our products to the United States, Germany, the Netherlands, Australia, Russia, Turkey, Singapore, Japan, South Korea, Malaysia, Vietnam, India and Iran. Our logistics and after-sales services cover the whole world promptly and reliably for our customers’ deep interests.

HONOR & CERTIFICATE

Our products have obtained, include EC-Type Examination Certificate, BV, MODE, DNV, GL Certificate, EC Attestation of Conformity, Certificate of Type Approval for Marine Product and Lloyd’s Register Quality Assurance.

  • UDEM Certificate
  • UDEM Certificate
  • UDEM Certificate
  • Health & Safety Management Certificate
  • EC Type Certificate
  • BV Product certificate
  • CCS Certificate
  • CCS Certificate
  • CCS Certificate
  • CCS Certificate
  • CCS Certificate
  • CCS Certificate
  • CCS Certificate
  • CE Certificate
  • CE Certificate
  • CE Certificate
  • DNV Certificate
  • DNV Certificate
  • DNV Certificate
  • LR Certificate
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Industry knowledge
1.In what industries or applications are planetary gearboxes commonly used?
Planetary gearboxes find applications in a variety of industries due to their versatile design and performance characteristics. Here are some common industries and applications where planetary gearboxes are commonly used:
Automotive Industry:Planetary gearboxes are widely used in automatic transmissions of vehicles.
Aerospace Industry:They are employed in aerospace applications, such as aircraft landing gear systems and satellite mechanisms.
Industrial Automation:Planetary gearboxes are used in robotic systems, conveyors, and other industrial automation equipment.
Mining and Construction:Heavy machinery in mining and construction, such as excavators and bulldozers, often utilize planetary gear systems for torque multiplication.
Wind Turbines:Planetary gearboxes are integral components in the drive trains of wind turbines, helping convert the low-speed rotation of the blades into higher-speed rotation for power generation.
Material Handling Equipment:Forklifts, cranes, and hoists use planetary gearboxes for efficient and controlled movement of heavy loads.
Oil and Gas Industry:Applications include pumps, compressors, and drilling equipment where high torque and precise control are required.
Medical Devices:Planetary gear systems are used in various medical equipment, including imaging devices and robotic surgical systems.
Renewable Energy Systems:In addition to wind turbines, planetary gearboxes can be found in solar tracking systems for solar power generation.
Printing Industry:Printing presses utilize planetary gearboxes for precise control of paper feeding and printing processes.
Machine Tools:CNC machines and other precision machining equipment often incorporate planetary gear systems for accurate motion control.
Marine and Ship Propulsion:Planetary gearboxes are used in marine propulsion systems to control the speed and direction of ship engines.
Textile Industry:Textile machinery, including spinning and weaving machines, may use planetary gear systems for efficient power transmission.
Rail Transportation:Planetary gearboxes can be found in various components of rail systems, including locomotives and rolling stock.
Power Generation:They are used in power plants for applications such as controlling the speed of generators.

2.How does torque transfer occur in a planetary gear system?
In a planetary gear system, torque transfer occurs through the interaction of the sun gear, planet gears, and ring gear. The design of the planetary gear system allows for versatile torque distribution and output speed control. 
Input Torque (Sun Gear):The input torque is applied to the sun gear, which is typically located at the center of the planetary gear system.The sun gear receives rotational input from an external power source, such as a motor or an engine.
Planet Gears Engagement:The planet gears are mounted on a carrier and are positioned between the sun gear and the ring gear.The planet gears mesh with both the sun gear and the inner teeth of the ring gear.
Rotation of Planet Gears:As the sun gear rotates, it drives the planet gears around their own axes due to their engagement with the sun gear.The rotation of the planet gears causes them to revolve around the sun gear.
Planetary Carrier Movement:The carrier, which holds the planet gears, is allowed to rotate or spin about its own axis.The rotation of the carrier is influenced by the combined motion of the rotating planet gears and their engagement with the ring gear.
Ring Gear Interaction:The outer teeth of the planet gears also mesh with the inner teeth of the ring gear.The rotation of the planet gears causes the ring gear to rotate about its own axis.
Output Torque (Ring Gear):The output torque is transferred to the ring gear. The rotation of the ring gear is the output motion of the planetary gear system.The ring gear serves as the output element and delivers the torque to the connected load or system.
The unique configuration of the planetary gear system allows for various combinations of input, output, and carrier motions, resulting in different gear ratios and torque distributions. By controlling the input speed and torque applied to the sun gear, the planetary gear system enables a range of output speeds and torques, making it a versatile component in many mechanical systems, such as automatic transmissions in vehicles and industrial machinery.
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