Gear accuracy class refers to the precision and quality required for gears in different applications. Here are some examples of gear accuracy classes for different applications:
When selecting the gear accuracy class, it is necessary to consider the gear transmission’s purpose, usage requirements, operating conditions, and other technical requirements. Combining cost-effectiveness, manufacturability, application flexibility, and other factors, choose the most suitable accuracy class based on the actual needs.
| Applications | ISO Grade | AGMA Grade |
| Agricultural machinery | 8-11 | 10-7 |
| Hoisting machinery | 7-10 | 11-8 |
| Mining winch | 8-10 | 10-8 |
| Roling mill | 6-10 | 12-8 |
| Universal reducer | 6-9 | 12-9 |
| Tractor | 6-9 | 12-9 |
| Aeroengine | 4-7 | 14-11 |
| Light vehicle | 5-8 | 13-10 |
| Diesel locomotive | 6-7 | 12-11 |
| Metal cutting machine tool | 3-8 | 15-10 |
| Measuring gear | 2-5 | 15-13 |
