Modern high-end mechanical transmission systems put forward stricter requirements for gear accuracy, stability and durability, making professional processed gears core components for intelligent equipment. Among various transmission parts, high precision ground gears stands out for its superb machining accuracy and stable angular power transmission performance. Different from ordinary milled bevel gears, ground bevel gear adopts integral tooth grinding finishing technology, which polishes gear tooth surfaces to micron-level flatness and corrects tooth profile errors strictly following ISO international precision standards.
Ground Gear for Helicopter Transmission
Specification
Module
3.5
Application
Helicopter Transmission
Material
18CrNiMo7-6
Heat Treatment
Carburizing + Quenching + Tempering
Accuracy
DIN 5
Value and Application of High precision Ground bevel gear
The production process of high precision ground bevel gear determines its irreplaceable industrial advantages. Firstly, it undergoes vacuum carburizing heat treatment before precision grinding, enhancing surface hardness and wear resistance to adapt to long-term high-load operation. The CNC grinding process eliminates tooth surface burrs and uneven gaps, greatly reducing backlash during meshing. Compared with ordinary bevel gears, it lowers operation noise and vibration by over 30%, improves transmission efficiency, and cuts daily equipment maintenance costs. Besides, its conical tooth structure enables stable power transmission between intersecting shafts, which cannot be realized by cylindrical gears.
High precision ground bevel gear is widely adopted in high-standard industrial scenarios that demand accurate motion control. In the aerospace field, it serves helicopter accessory gearboxes to ensure safe and steady power output under extreme temperature and pressure. In new energy vehicles, it is a core part of automotive differentials, optimizing power distribution for smooth cornering and acceleration. It also supports joint operation of industrial robots, precision medical devices and wind turbine steering structures, where tiny transmission errors will lead to equipment failure. Only ground bevel gears with qualified precision can guarantee continuous and reliable mechanical operation.
Looking ahead, intelligent manufacturing will further upgrade gear machining standards. As automation and aerospace industries develop rapidly, the market demand for ultra-precision transmission components will keep rising. Manufacturers will optimize grinding parameters and alloy materials to upgrade the performance of ground bevel gears. In conclusion, High precision ground bevel gear is not only a basic mechanical part, but also a key guarantee for the stable operation of high-end equipment, playing an indispensable role in promoting the upgrading of global mechanical manufacturing industry.
Production process
6-Step Production Process
Forging
Turning
Gear Milling
Heat Treatment
ID & OD Grinding
Tooth Grinding
Forging
When gears need high performance that needs to withstand high loads, high stress, impact loads or fatigue loads, forgings are suggested to use. Forging allows metal fibers to be continuously distributed along the gear profile, significantly improving root strength and fatigue life.
Turning
This is the process of cutting and shaping solid materials into precise parts. It uses tools like lathes, mills, and drills to remove excess material. Machining transforms a simple block of metal into a finished, functional component.
Gear Milling
Gear Milling is a gear cutting process that used a rotating from cutter shaped to match the exact space between two gear teeth is plunged into the gear blank. After cutting one tooth space, the blank is indexed to the next position .
Heat Treatment
Gears need to be running with two gears or above two gears, that makes them easy to be worn-out. That’s why most types of gears need to be harden through heat treatment.
ID & OD Grinding
ID grinding, OD grinding, Surface grinding are all belonging to CNC grinding which are the foundational precision abrasive machining processes used to achieve exceptional dimensional accuracy and surface finishes, especially on hardened materials.
Tooth Grinding
Tooth Grinding are the final processes are applied after heat treatment to correct distortion, improve geometry, and achieve the final surface finish necessary for quiet, efficient power transmission.
Inspection
Strict Quality Inspection
Dimension Inspection
Material Testing
Hardness Inspection
Heat Treatment Testing
Roughness Testing
Accuracy Inspection
Meshing Testing
Dimension Inspection
Material Testing
Hardness Inspection
Heat Treatment Testing
Roughness Testing
Accuracy Inspection
Meshing Testing
Packages
Professional Packaging Safe Arrival
Customized cost-effective packages for products protection. We select multi-model solutions, combining air, sea, or land freight for the optimal balance of cost, speed, and reliability.
Inner Package
Out Package
Carton
Wooden Package
Similar products
You May Be Interested In
Spiral Bevel Gears For Automobiles
- Material: 20CrNiMoH
- Heat treatment: HRC 58-62
- Accuracy: GB/T 11365-2019
Ground Bevel Gears For Helicopter Tail Rotor Drive
- Material: 18CrNiMo7-6
- Heat treatment: Carburizing + Quenching + Tempering
- Accuracy: DIN 5
Ground Gear Bevel Gear
- Material: 18CrNiMo7-6
- Heat treatment: Carburizing + quenching + tempering
- Accuracy: DIN 4
Chinese Ground Spiral Bevel Gear Set
- Material: SAE8620
- Heat treatment: Case Carburizing
- Accuracy: DIN 6
Your Precision
Transmission Partner
Do you have drawings to be implemented, or problems to be solved? Please feel free to contact us. From initial inquiry and technical specification confirmation to production and delivery, our dedicated team will provide you with one-on-one service, ensuring that every step meets your stringent requirements for precision.
Contact Us