3减速机为垂直轴形式，第一级输入轴为伞齿轮轴，在伞齿轮支承轴承处过渡轴肩处出现较严重的应力集中而发生疲劳破坏。
3 the reducer is in the form of vertical shaft, the first input shaft is the bevel gear shaft, and the more serious stress concentration occurs at the transition shaft of the bevel gear bearing.
若用带轮、链轮等驱动时应设托架支承，以防主动齿轮轴承受径向力。
If the pulley, sprocket-driven, such as supporting brackets should be established to prevent the initiative gear bearing the radial force.
若用带轮、链轮等驱动时应设托架支承，以防主动齿轮轴承受径向力。
If use the belt wheel, wheel, etc, shall set bracket support, in case of driving gear bearing by the radial force.
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