Gearbox hardened tooth grinding bevel reduction gear box.

减速箱采用硬齿面磨齿斜齿面传动减速箱。

The reduction gear has lighter weight and its structure is compact.

该减速器重量轻，结构紧凑。

Uses maintenance-free motor bearings, reduction gear, and couplings.

使用无需维护的马达轴承，变速器，联轴节。

Vertically mounted engine driving main rotor via toothed belt as second-stage reduction gear.

垂直安装的引擎，该引擎作为第二阶段的减速齿轮齿形带主旋翼。

The damage cause of reduction gear of cooling tower fan is analyzed, some countermeasures are adopted.

分析凉水塔风机减速箱齿轮损坏的主要原因，采取相应的防范措施。