■ 本功率曲线图的特定条件主要是: ■ The main characteristics of this power graph are as follows:
△小链轮齿数为19; △链条长度为120个节距; △传动比从1 : 3到3 : 1; △链传动的预期使用寿命为15000小时。
For drive Zs=19 Chain length: 120 pitches Transmission ratio: 1 : 3 to 3 : 1 Service life of chain: 15000 hours