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 Standard Gearmotors
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Helical gear units / Helical gearmotors
More efficiency in every situation
In six single-stage and fourteen two-stage and three-stage
sizes, the helical gearmotors by SEW-EURODRIVE ensure an
optimum ratio between power and space requirements.
Your advantages
- High power density
- Long service life
- R37 ... R167 Reduced backlash option
- RM series, specially designed for agitating
applications
The tried and tested modular concept and our strict quality
criteria allow SEW-EURODRIVE to provide a diverse range of
torques and reduction ratios with incomparably finely tuned
gradings. With this exceptional diversity, SEW-EURODRIVE
sets new standards in the field of drive engineering.
Available versions
- Single-stage or multi-stage
- Foot-mounted or flange-mounted
- Foot-mounted and flange-mounted
- Flange-mounted with extended bearing hub
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For high output speeds, the exclusively
single-stage gear units RX57 to RX107 offer
compact solutions for your system design.
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Gear unit reduction ratio
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R series (two-stage and three-stage)
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Our complete range of helical gearmotors provides
the optimum size and power solution for every
drive task. And for operators with a
“weight-watching” issue, our multi-stage gear
units provide something special: Thanks to their
die-cast aluminum design, the models R07, R17 and
R27 are three particularly efficient lightweights
– ideal as satellite drives and for use in light
machine constructions. Reduced backlash helical
gear units are also available for particularly
precise requirements.
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Gear unit reduction ratio
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Multi-stage gear unit reduction ratio
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RM gearmotors with extended output bearing hub are
a special type of helical gearmotor. They were
designed especially for agitating applications and
allow for high overhung and axial loads and
bending moments. The remaining data corresponds to
that of standard helical gearmotors.
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Gear unit reduction ratio
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Multi-stage gear unit reduction ratio
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Helical gear unit versions
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Foot-mounted and flange-mounted
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Flange-mounted with extended bearing hub
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Foot-mounted and flange-mounted
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Flange-mounted with extended bearing hub
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Parallel shaft helical gear units / Parallel shaft helical
gearmotors
Drives for every industry
Your advantages
- High power density
- High permitted overhung loads
- Multi-stage gear unit for low output speeds
- F37 ... F157 Reduced backlash option
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F series (two-stage and three-stage)
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Our extra-slim parallel shaft helical gearmotors
are the perfect solution when space is limited.
The many different sizes and designs ensure that
the gearmotors can be used in a wide variety of
applications even under the most unfavorable
conditions. SEW-EURODRIVE parallel shaft helical
gearmotors are typically used in conveyor and
materials processing applications. You can choose
from foot-mounted, flange-mounted or shaft-mounted
options. Reduced backlash parallel shaft helical
gear units are also available on request for
precise positioning tasks.
Available versions
- Foot-mounted or flange-mounted
- B5 or B14 Flange-mounted
- Solid or hollow shaft
- Hollow shaft with keyed connection, shrink
disc, splined hollow shaft or TorqLOC®
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Gear unit reduction ratio
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Multi-stage gear unit reduction ratio
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87 to 18000 (770 to 159310) (also in reduced
backlash version)
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Parallel shaft helical gear unit versions
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Foot-mounted / Hollow shaft
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Foot-mounted / Hollow shaft / Splined hollow shaft
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Foot-mounted / Hollow shaft / Shrink disc
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B5 Flange-mounted / Hollow shaft
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B5 Flange-mounted / Hollow shaft / Splined hollow
shaft
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B5 Flange-mounted / Hollow shaft / Shrink disc
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Hollow shaft / Splined hollow shaft
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Hollow shaft / Shrink disc
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B14 Flange-mounted / Hollow shaft
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B14 Flange-mounted / Hollow shaft / Splined hollow
shaft
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B14 Flange-mounted / Hollow shaft / Shrink disc
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Foot-mounted / Hollow shaft
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Foot-mounted / Hollow shaft / Splined hollow shaft
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Foot-mounted / Hollow shaft / Shrink disc
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B5 Flange-mounted / Hollow shaft
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B5 Flange-mounted / Hollow shaft / Splined hollow
shaft
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B5 Flange-mounted / Hollow shaft / Shrink disc
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Hollow shaft / Splined hollow shaft
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Hollow shaft / Shrink disc
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B14 Flange-mounted / Hollow shaft
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B14 Flange-mounted / Hollow shaft / Splined hollow
shaft
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B14 Flange-mounted / Hollow shaft / Shrink disc
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Helical-bevel gear units / Helical-bevel gearmotors
Energy-efficient and low-maintenance
Your advantages
- High power density
- Wear-free
- Long service life
- > 96% gear unit efficiency
- Multi-stage gear unit for low output speeds
- Reduced backlash option in all sizes
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Helical-bevel gear units from SEW-EURODRIVE
provide a high degree of efficiency of over 96% in
both torque directions and at all input speeds.
With performance designed to last –
high-endurance gearing enables high-torque,
wear-free operation. With our remarkably efficient
helical-bevel gearmotors, you have energy-saving
angular gear drives at your fingertips. As they
also have a long maintenance-free service life,
they can be used in every application with AC
asynchronous motors, asynchronous and synchronous
servomotors. A reduced backlash version is
available for precise positioning tasks.
Available versions
- Foot-mounted or flange-mounted
- B5 or B14 flange-mounted
- Solid or hollow shaft
- Hollow shaft with keyed connection, shrink
disc, splined hollow shaft or TorqLOC®
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Gear unit reduction ratio
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Multi-stage gear unit reduction ratio
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125 to 50000 (1110 to 442540) (also in reduced
backlash version)
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Helical-bevel gear unit versions
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Foot-mounted / Hollow shaft
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Foot-mounted / Hollow shaft / Splined hollow shaft
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Foot-mounted / Hollow shaft / Shrink disc
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B5 Flange-mounted / Hollow shaft
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B5 Flange-mounted / Hollow shaft / Splined hollow
shaft
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B5 Flange-mounted / Hollow shaft / Shrink disc
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Hollow shaft / Splined hollow shaft
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Hollow shaft / Shrink disc
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B14 Flange-mounted / Hollow shaft
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B14 Flange-mounted / Hollow shaft / Splined hollow
shaft
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B14 Flange-mounted / Hollow shaft / Shrink disc
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Foot-mounted / Hollow shaft
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Foot-mounted / Hollow shaft / Splined hollow shaft
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Foot-mounted / Hollow shaft / Shrink disc
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B5 Flange-mounted / Hollow shaft
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B5 Flange-mounted / Hollow shaft / Splined hollow
shaft
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B5 Flange-mounted / Hollow shaft / Shrink disc
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Hollow shaft / Splined hollow shaft
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Hollow shaft / Shrink disc
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B14 Flange-mounted / Hollow shaft
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B14 Flange-mounted / Hollow shaft / Splined hollow
shaft
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B14 Flange-mounted / Hollow shaft / Shrink disc
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Helical-worm gear units / Helical-worm gearmotors
Simple, practical and discrete
Your advantages
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SEW-EURODRIVE helical-worm gear units are
helical/helical-worm combinations, so they are
more efficient than normal helical-worm gear
units. Due to their outstanding efficiency, these
drives can be used in every industrial sector and
tailored to individual torque and speed
requirements. The reduction ratios afforded by the
helical-worm gear stage and the low noise levels
during operation make these gearmotors ideal
low-cost solutions for simple applications.
Available versions
- Foot-mounted or flange-mounted
- B5 or B14 Flange-mounted
- Solid or hollow shaft
- Hollow shaft with keyed connection, shrink
disc, splined hollow shaft or TorqLOC®
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Gear unit reduction ratio
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Multi-stage gear unit reduction ratio
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Helical-worm gear unit versions
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B5 Flange-mounted / Hollow shaft
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B5 Flange-mounted / Hollow shaft / Shrink disc
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Hollow shaft / Shrink disc
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B14 Flange-mounted / Hollow shaft
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B14 Flange-mounted / Hollow shaft / Shrink disc
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SPIROPLAN® gearmotors
Quiet lightweights
Your advantages
- Low noise
- Economical operation
- Life-long lubrication
- Light aluminum housing
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SPIROPLAN® gearmotors are robust
right-angle gearmotors with SPIROPLAN® gearing.
They have three main differences from the
helical-worm gear units: the material combination
of the steel-on-steel gearing, the special tooth
meshing relationships and the aluminum housing.
These features make SPIROPLAN® gearmotors
very quiet, wear-free and lightweight. The
particularly short design and the aluminum housing
make for very compact and lightweight drive
solutions. The wear-free gearing and the life-long
lubrication facilitate long periods of
maintenance-free operation. As the oil fill is
independent of the mounting position, SPIROPLAN®
gearmotors can be installed in any mounting
position without altering the quantity of oil.
Identical hole spacing in the foot and face as
well as the equal shaft height to both provides
you with diverse mounting options.
Available versions
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Gear unit reduction ratio
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SPIROPLAN® right-angle gear unit versions
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Flange-mounted / Hollow shaft
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VARIBLOC® / VARIMOT® variable speed gearmotors
For simple, variable speed applications up to 45 kW (60 hp)
Combining VARIBLOC® and VARIMOT® variable
speed gear units with reduction gear units of all designs in
the SEW-EURODRIVE modular concept creates variable speed
drives with a low output speed and high output torque.
Combining variable speed gearmotors with helical, parallel
shaft helical, helical-bevel and helical-worm gear units has
proven effective at low speeds.
Your advantages
- Increased starting torque
- Large permitted overhung loads of the reduction gear
units
- Large number of finely spaced gear ratios of the
reduction gear unit, depending on size
- Choice of manual or remote speed control
- Intuitive operation
The foot- and flange-mounted versions can also be used to
power machines without a reduction gear unit.
Speed can be adjusted mechanically, e.g. with a handwheel,
or electromechanically using a servo motor. Multi-speed
motors can be applied for further enlargement of the setting
range of variable speed gear units.
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The VU and VZ designs of the VARIBLOC®
wide V-belt variable speed gearmotors are used
with power ranges of up to 45 kW. Typical speed
setting ranges are 1:4, 1:6 and 1:8. The U- or
Z-shaped power flow and numerous combination
possibilities with reduction gear units mean that
these speed gearmotors can be supplied in a broad
range of designs. They can easily be tailored to
the most diverse machine structures.
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Maximum setting range for versions
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Series D VARIMOT® friction disk
variable speed gearmotors are intended for power
ranges up to 11 kW and speed setting ranges 1:4 or
1:5. The contact pressure between the driving
pulley and the friction ring required for torque
transmission is set automatically. The speed
control can be adjusted even when the gearmotor is
at a standstill.
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| SEW
EURODRIVE GEARBOXES |
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