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S Series Helical-Worm Gear Unit FAQ

Common questions about the S Series are collected below. For deeper content, follow the linked technical resources.

FAQ

What is the main difference of the S Series?

The S Series is primarily defined by its right-angle layout and is intended for compact right-angle drives in small and medium power applications.

What power range does the S Series cover?

The cleaned reference range is 0.12–22 kW, but the selectable power depends on size, ratio, input speed and duty.

What ratio range is available?

The cleaned series-level reference range is approximately 7.75–307.88. Use the detailed selection table for a specific power and size.

Can I select a gearbox only by motor power?

No. Power must be evaluated together with input speed, required ratio/output speed, output torque, service factor, mounting and external loads.

Can it directly replace another brand with the same size code?

Not automatically. Direct replacement requires a dimension-by-dimension mounting and interface comparison plus a performance check.

Does oil quantity stay the same in every mounting position?

No. Oil quantity can change with mounting position and configuration.

请提供电机功率、输入转速、所需输出转速/速比、预期输出扭矩、安装方式，以及可用的安装图纸。承发可据此为您先筛选 R/F/K/S 系列配置，再做最终工程复核。