关键词: 对角修形, 剃齿, 噪声, 窄斜齿轮

Abstract: 　　The selection criteria of diagonal modification area of narrow helical bears is discussed. A high-efficiency machining method of the diagonal modification gears is presented ——the diagonal modification plunge shaving method. By means of the meshing theory meshing equation that three-cone gringing wheel grind the diagonal modification plunge shaving cutters is derived. In a half-anechoic room, the noise levels of diagonal modified gears and unmodified gears are measured. The results demonstrate that diagonal modification gears can reduce noise 2 dB(A).

Key words: Diagonal modification, Narrow helical gears, Noise, Shave