采购字段 采购前需要确认的关键规格 材质/可选材料 Cast iron or steel housing with heat-treated gear set according to torque and ratio. 适配主机 Belt conveyorFeederSand washerCrusher drive section 询价必须提供 Reducer model or nameplateReduction ratio, input/output speed and torqueMounting direction, shaft size and matched motorOil leakage, gear noise or failure description if replacing 常见磨损原因 Poor lubrication or oil contaminationOverload, shock load or wrong ratio selectionMisalignment between motor, reducer and driven equipment 是否支持定制 Standard reducers are matched by model; special shaft or mounting forms need drawing confirmation.