Planetary Gearbox Manufacturer | Precision Planetary Reducer & Gear Motor Supplier

Planetary Gearbox Manufacturer You Can Trust

Siemage is a planetary gearbox manufacturer specialized in precision planetary reducers, servo planetary gearboxes, gear motors and hollow rotary platforms. We design and produce transmission solutions for automation equipment, industrial robots, AGV systems, CNC machines and logistics machinery.

Why Choose Siemage as Your Planetary Gearbox Supplier

Factory-direct manufacturing: We are an integrated planetary gearbox factory with our own production lines, precision gear processing and assembly workshops.
Complete ratio range: Ratios from 3:1 up to 200:1 cover single-stage and two-stage configurations for most automation applications.
Consistent precision: Backlash as low as 1 arcmin for single-stage reducers, and every gearbox is tested for backlash, noise and running accuracy before delivery.
Custom & OEM service: We offer customized ratios, input shafts, flanges and materials according to your application.
High efficiency: Single-stage efficiency of 95-97%, reducing energy loss in continuous operation.

Our Planetary Gearbox Product Range

As a full-line planetary gearbox manufacturer, Siemage supplies several reducer series for different working conditions:

Precision planetary reducers SAB / SABL / SAD / SADL – for high-accuracy servo positioning and indexing applications, rated torque 14-2,000 Nm.
Precision planetary reducers SPB / SPE – for compact and cost-effective automation drives.
Economical planetary reducers SFA / SFE – for value-driven applications with reliable performance.
Hollow rotary platforms – for rotary indexing tables and multi-axis assemblies.
Custom planetary gearbox solutions – designed according to your torque, ratio, dimension and environment requirements.

Applications

Our planetary gearboxes are widely used in:

Industrial robots and collaborative robots
AGV and AMR drive systems
CNC machine tools and rotary axes
Packaging, printing and textile machinery
Automated assembly lines and indexing tables

Typical Specifications

Parameter	Standard Range
Ratio	3:1 - 200:1 (single stage: 3/4/5/7/8/10/14/20; two stage: up to 200)
Rated Output Torque (T2N)	14 - 2,000 Nm
Backlash	Single stage: ≤1 / ≤3 / ≤5 arcmin (PS/P0/P1); Two stage: ≤3 / ≤5 / ≤7 arcmin (PS/P0/P1)
Efficiency	Single stage ≥95-97%
Series	SAB, SABL, SAD, SADL, SPB, SPE, SFA, SFE
Custom Options	Special ratios, input shafts, flanges, materials and protection levels on request

Frequently Asked Questions

Are you a planetary gearbox manufacturer or a trading company?

Siemage is a manufacturer with our own production and testing facilities. We can provide factory audit documents, product test reports and on-site inspection.

What ratios and torque ranges do you offer?

Our standard planetary reducers cover ratios from 3:1 to 200:1 and rated output torques from 14 Nm to 2,000 Nm. Special ratios and higher torque configurations can be designed on request.

Can you custom design a planetary gearbox for our machine?

Yes. We regularly develop customized planetary reducers with special ratios, input/output interfaces, flanges and materials according to customer applications.

What is the MOQ?

MOQ depends on the model and specifications. Standard models are available with low MOQ; please contact our sales team for your required configuration.

How long is the delivery time? Can we get samples?

Delivery time depends on configuration and stock status, and sample testing is available for evaluation. Contact us with your application details for a confirmed quote and lead time.

Looking for a reliable planetary gearbox manufacturer? Send us your application details and required specifications for a quotation.

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