In order to save materials and promote the productivity, the cleavage spinning technology is adopted to the formation of V-type or multiple moulding sheave of auto engine.
为了节省材料和提高生产率，采用劈开式旋压工艺将拉深的毛坯旋压成汽车发动机用V型或多模式皮带轮。
2
The automatic speed changer has a primary sheave, a secondary sheave, and a V-belt carried on the primary sheave and the secondary sheave.