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Advantages of the agitator design

Safe operation
due to high permitted overhung loads

No additional bearing required for the agitator shaft,
this makes it structurally simpler and, overall, more economical

Versatile combination options
as shaft and flange dimensions are compatible with standard market dimensions

Also flexible for your agitator
because many options and design variants are available for the gear unit

Available 24 hours a day
because SEW‑EURODRIVE Service is always close at hand wherever you are in the world

Easily optimized – extremely versatile

With the special agitator design used in three highly successful standard gear unit series, SEW‑EURODRIVE covers almost every application for a wide variety of industries. For the helical gear units from SEW‑EURODRIVE, the RM.. series has long been available as a variant for mixer and agitator applications.

NEW to the portfolio are the two FM../FAM.. series, available as parallel-shaft helical gear units, and the KM../KAM.. series, available as helical-bevel gear units. In many cases, parallel-shaft and helical-bevel gear units are also used for this type of application. On the one hand, these gear variants enable more efficient utilization of existing spatial circumstances, while on the other hand, the agitator shafts with mixing element can be inserted directly into the hollow drive shafts being offered. Additional bearings can be dispensed with in many cases.

The permissible overhung loads range from 25 000 N to 176 500 N. The motors suitable for the sizes range in power from 0.12 kW to 90 kW. The maximum permitted gear unit output torque ranges from 820 Nm to 20 000 Nm.

More information about gearmotors in agitator designs can be found here!

These options are available for the agitator design:

  • Double oil seal on the output side for additional protection against leaks
  • Reinforced bearings also opposite the output side. These increase the permitted overhung load, particularly for high output speeds and low gear ratios
  • Grease nipple for further greasing of output shaft bearings
  • Drywell design with leak sensor prevents the product from being contaminated by leaking lubricant.
Contact form Worldwide locations Locations in Germany TorqLOC® hollow shaft mounting system Adapters Surface and corrosion protection Extended Warranty Lubricants DUO diagnostic unit Characteristics
  • Parallel-shaft helical gear unit with extended output bearing hub, available as
    • FAM.. with hollow shaft
    • FM.. with solid shaft
  • Possible options
    • Double sealing
    • Dry well design
    • Relubrication device for the output bearings
    • Permissible overhung loads from 25 000 N up to 176 500 N
    • Maximum permissible output torque from 820 Nm to 20 000 Nm
Technical data
  • 7 sizes from 820 – 20 000 Nm
  • Sizes 67 / 77 / 87 / 97 / 107 / 127 / 157
Gear unit ratioi3.97 – 281.71
Max. output torqueNm820 – 20 000*
Motor power range (mounting via AM motor adapter)kW0.12 – 90

*Also with reduced backlash

Characteristics
  • Helical-bevel gear unit with extended output bearing hub, available as
    • KAM.. with hollow shaft
    • KM.. with solid shaft
  • Possible options
    • Double sealing
    • Dry well design
    • Relubrication via output bearing
  • Permissible overhung loads from 25 000 N up to 176 500 N
  • Maximum permissible output torque from 820 Nm to 20 000 Nm
Technical data
  • 7 sizes from 820 – 20 000 Nm
  • Sizes 67 / 77 / 87 / 97 / 107 / 127 / 157
Gear unit ratioi3.97 – 281.71
Max. output torqueNm820 – 20 000*
Motor power range (mounting via AM motor adapter)kW0.12 – 90

*Also with reduced backlash

Characteristics
  • Helical gear unit with extended output bearing hub, available as RM with solid shaft
  • Specifically designed for agitators
  • Allowing for high overhung and axial loads as well as bending moments
Technical data
  • 10 sizes from 450 – 20 000 Nm
  • Sizes 57 / 67 / 77 / 87 / 97 / 107 / 127 / 137 / 147 / 167
Gear unit ratioi4.29 – 289.74
Max. output torqueNm450 – 20 000
Motor power range (mounting via AM motor adapter)kW0.12 – 90
X agitator drives with expanded bearing distance

The X series agitator drives from SEW-EURODRIVE can be used wherever a high level of performance is required for stirring and mixing large quantities of liquid or paste-type substances, for example in the chemical industry, food industry, wastewater treatment, or in mining.

The X series agitator drives have been designed for application-specific loads:

  • For light loads:
    A model with a universal housing for helical gear units and bevel-helical gear units (2- to 4-stage) is available for the torque range between 6.8 and 475 kNm.
  • For medium and heavy loads:
    Two models are available in the 22 to 90 kNm torque range. These feature a rolling bearing design with increased bearing distances. It goes without saying that all of our drives are suitable for use in ATEX scenarios and can be combined with the standard options of “drywell” seal, pressure lubrication/bath lubrication, flange coupling, fan cooling, and foot- or flange-mounting.
    • The first model is available exclusively as a 3-stage helical gear unit. The thermal rating of this model has been increased thanks to the use of an optimized vertical housing with cooling fins, axial fans, etc.
    • The second model is available as 2- to 4-stage helical gear units and bevel-helical gear units. It is based on the combination of a universal housing with reinforced bearing design.