The large pulley provide more interface for strap and decrease tension of strap and avoid sliding to prolong the using life of strap and bearing.
英
美
- 大直径的皮带轮,给皮带提供了更多的接触面积,可减少皮带所受的张力并避免其滑落的可能,进而延长了皮带及轴承的寿命。