What are The Applicable Scenarios of Metal Ring Gear And Non-Metal Ring Gear?

What is Ring Gear

Ring gear is typically driven in meshing with other gears, such as pinions, to transmit power, change speed or torque direction. Its structural design needs to meet the requirements of transmission accuracy, strength and wear resistance, commonly used materials include metals (such as medium carbon steel, alloy steel) and non-metals (such as engineering plastics), different materials are suitable for heavy load, light load, high temperature or silent and other different working conditions, widely used in automotive gearboxes, industrial equipment and home appliance transmission systems.

The Principle of Ring Gear

The working principle of the ring gear is through the meshing transmission of gear teeth and other gears (such as pinions, racks or planetary gears) to realize the transmission of rotary motion, the adjustment of speed or torque, or the change of direction of movement. Its core mechanics are as follows:

Meshing drive

The teeth of the ring gear are engaged with the teeth of the paired gear, and the power is transmitted through the tooth surface contact. When the ring gear rotates, the friction of the tooth flanks drives the mating gears to move synchronously, which transmits the rotation of the input shaft to the output shaft.

Ratio and torque conversion

The number of teeth of the ring gear and the number of teeth of the paired gear determine the transmission ratio. For example, a large number of ring gear teeth and a small number of pinion teeth can reduce the speed (deceleration) and amplify the torque; Otherwise, the growth rate will be reduced.

Direction of movement adjustment

When the outer ring gear is meshed with the pinion, the direction of rotation can be changed (for example, when the inner ring gear is matched with the planetary gear, the combination of revolution and rotation of the planetary gear realizes differential speed or direction change).

Adaptation of structure and form

Internal ring gear: internal teeth, often with planetary gears to form a planetary gear train (such as automobile automatic transmission).

External ring gear: Externally toothed, can be meshed with the rack for rotational to linear motion conversion (e.g. steering system)

What are The Applicable Scenarios of Metal Ring Gear And Non-Metal Ring Gear?

Due to their respective characteristics, metal and non-metallic ring gears have different application scenarios in different fields and working environments, as follows:

Metal ring gears

Industrial manufacturing field: In the transmission system of large machine tools and heavy machinery, it is necessary to bear huge loads and transmit high torque, and the metal ring gear can work stably with its high strength and high bearing capacity to ensure the normal operation of the equipment. For example, in a rolling mill, the metal ring gear is used to transfer power and drive the rolls to roll the steel.

Automotive and aerospace field: Automobile transmissions, differentials, and aero engine transmission systems all require high-precision and high-reliability transmission components. The metal ring gear can maintain good performance under complex working conditions such as high speed and high temperature to ensure the accuracy and stability of power transmission. For example, metal ring gears in aircraft engines are required to provide reliable power transmission for the various components of the engine under extreme temperature and pressure conditions.

Energy field: In large-scale power generation equipment such as wind power generation and hydropower generation, metal gear rings are used in the transmission system of speed changer or reduction gearbox, which can withstand huge torque and bending moment, adapt to harsh working environment, and ensure the efficient operation of power generation equipment. For example, in the gearbox of a wind turbine, the metal ring gear converts the low-speed rotation of the wind turbine into the high-speed rotation required by the generator.

In the field of precision instruments: such as coordinate measuring machines, lithography machines and other precision instruments, which have extremely high requirements for transmission accuracy. Through precision machining technology, the metal ring gear can achieve micron-level or even higher accuracy, meet the needs of the instrument for precise transmission, and ensure the accuracy of measurement and processing.

Non-metallic ring gears

Office & Home Equipment: Printers, copiers, fans, electric toys and other equipment require low-noise, low-cost transmission components. Due to its good self-lubrication and low noise characteristics, non-metallic ring gears can provide a quiet and stable operating environment for equipment while reducing production costs. For example, the drive ring gear in the printer is made of non-metallic material, which reduces noise during printing and improves the user experience.

Food and medicine field: In food processing machinery, medical equipment and other equipment with high hygiene requirements, non-metallic gear rings do not need lubrication, which avoids the pollution of lubricating oil to the product, and has good corrosion resistance, which can meet the requirements of hygiene and corrosion resistance. For example, in food packaging machines, non-metallic ring gears are used in the drive system to ensure that food products are not contaminated during the packaging process.

In the field of electronic equipment: in the small transmission mechanism of electronic equipment such as mobile phones and tablet computers, the non-metallic ring gear is light in weight and low in cost, which can meet the requirements of equipment for lightness, miniaturization and low cost. For example, the vibration motor transmission mechanism in the mobile phone adopts a non-metallic ring gear, which can reduce the weight and cost of the equipment while ensuring the transmission function.

Special environmental fields: In some corrosive gas or liquid environments, such as chemical production workshops, electroplating plants, etc., the corrosion resistance of non-metallic ring gear enables it to work normally, without worrying about the possible corrosion problem of metal ring gear. For example, in the stirring drive system of a chemical reactor, the use of non-metallic ring gears can extend the service life of the equipment and reduce maintenance costs.

Supplier of Ring Gears

LTZC Bearings provides a series of services such as R&D, design, production and sales of thin-walled ball bearing products. If you are looking for ring gear bearing supplier, please contact us for the latest quote.