Helical bevel gear units
Round the corner with the right motor.Are you looking for higher dynamics, lower weight, a very small installation space for the angular transmission of motion and forces?
Here’s the solution from STOBER: helical bevel gear units from the K, KL and KS series!
- Gear efficiency: 97%!
- K: Versatile and highly rigid, for exceptional backlash stability
- KL: Elegant, compact and completely without offset
- KS: Strong, stable and with maximum power density
When developing its helical bevel gear units, STOBER focused on achieving the lowest possible power loss – and reaching a high gear efficiency. The gear units achieve the best value of 97% in particular due to the high-quality technology used to manufacture the helical gearing.
Other outstanding features are the unsurpassed smooth operation and the high power density.
The torsion-resistant monoblock design favorably reduces the noise development of the gear units.
97% gear efficiency
K gear units are very torsion-resistant helical bevel gear units featuring high-quality helical gearing. The series is available in three different classes, so you can adapt it perfectly to the application you need.
K gear units also have an impressive single-cast design and a wide range of housing designs.
The gear units are available either as compact servo, Lean or asynchronous helical bevel geared motors for direct attachment or they can be attached to all common synchronous servo motors by suitable adapters.
KL series helical bevel gear units are also manufactured from a single mold without any seams and are used primarily when applications call for high dynamics, low weight and, above all, a small installation space. This makes them ideal for the packaging industry.
KL gear units also have an impressive and extremely attractive price-performance ratio.
The gear units are either available as directly attached, compact servo or Lean helical bevel geared motors or they can be attached to all common synchronous servo motors by suitable adapters.
Thanks to the technology that provides robust bearings and high-quality gearing, the gear units of the KS series are extremely durable and tip-resistant.
They can be used in continuous operation without any problems – even at high speed levels. One of the most important features of the KS series is also its very high torsional stiffness.
KS gear units are either available as directly attached, compact servo bevel geared motors or they can be attached to all common synchronous servo motors by suitable adapters.
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- Total ratio: 4 – 381
- Allowed acceleration torque: 50 – 13200 Nm
- Backlash: 1.5 – 12 arcmin
- Efficiency: 94 – 97%
Find your right fit!
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- Total ratio: 4 – 32
- Allowed acceleration torque: 22 – 65 Nm
- Backlash: 116 – 25 arcmin
- Efficiency: 97%
Find your right fit!
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- Total ratio: 6 – 200
- Allowed acceleration torque: 90 – 400 Nm
- Backlash: 4 – 6 arcmin
- Efficiency: 93 – 95%
Find your right fit!
- Shaft:
- Solid shaft on both sides
- Solid shaft with or without key (without for sizes K1 – K4, on request starting at K5)
- Hollow shaft with keyway or shrink ring
- Housing:
- Pitch circle diameter with an optional foot, an optional torque arm bracket or a foot and torque arm bracket
- Round flange with an optional foot
- Backlash: Standard, Class I or Class II
- Mounting position: Any
- Lubricants and maintenance:
- Mineral lubricant CLP ISO VG 220 or synthetic lubricant CLP HC ISO VG 220
- Lubricated for life and maintenance-free
- Paint: RAL 9005 Jet black
- Motor adapter:
- EasyAdapt (ME) with clamp coupling
- ServoStop (MB) with plug-in coupling (jaw coupling) and integrated spring-loaded brake
- Shaft:
- Solid shaft on both sides
- Solid shaft with or without a feather key
- Hollow shaft with keyway or shrink ring
- Housing: Pitch circle diameter with optional foot or flange, an optional torque arm bracket or flange
- Mounting position: Any
- Lubricants and maintenance:
- Mineral lubricant CLP ISO VG 220 or synthetic lubricant CLP HC ISO VG 220
- Lubricated for life and maintenance-free
- Paint: RAL 9005 Jet black
- Motor adapter:
- Motor adapter square (MQ) with plug-in coupling (jaw coupling)
- Shaft:
- Solid shaft with or without a feather key
- Hollow shaft with shrink ring or flange hollow shaft
- Bearing: Preloaded angular contact bearing on the output, ideal for helical pinion or rack and pinion drives
- Mounting position: Any
- Lubricants and maintenance:
- Synthetic lubricant CLP HC ISO VG 150
- Lubricated for life and maintenance-free
- Paint: RAL 9005 Jet black
- Motor adapter:
- EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
- Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ-series motor
We get your visions moving – in various industries and markets worldwide.
Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.
Learn moreWe get your visions moving – in various industries and markets worldwide.
Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.
Learn moreWe get your visions moving – in various industries and markets worldwide.
Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.
Learn moreWe get your visions moving – in various industries and markets worldwide.
Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.
Learn more| Title | Version | ID | Date | Language | Size / Type | |
| No results were found. | ||||||
| Title | Version | ID | Date | Language | Size / Type | |
 | Operating manual MB23 - MB53 ServoStop Motor adapter with brake | 01 | 443287 | 2022 11 | EN | 6.00 MB |
 | Safety instructions for gear units | 00 | 443108 | 2018 07 | EN | 70.76 KB |
 | Safety instructions for explosion-proof gear units | 00 | 443109 | 2018 07 | EN | 69.50 KB |
 | Operating manual Gear units and geared motors C F K S | 02 | 443027 | 2020 11 | EN | 288.54 KB |
 | Operating manual PK PKX PHK PHKX PHQK KS KL gear units and geared motors | 00 | 443150 | 2019 10 | EN | 1.69 MB |
| Title | Version | ID | Date | Language | Size / Type | |
 | UK declaration of conformity synchronous servo motors and synchronous servo geared motors EZ ED EK LM | 00 | 443297 | 2021 10 | EN | 71.46 KB |
 | EU declaration of conformity synchronous servo motors and synchronous geared motors ED EK EZ | 01 | 443089 | 2020 11 | EN | 37.12 KB |
 | EU Declaration of conformity synchron motors LM | 02 | 443082 | 2020 11 | EN | 39.12 KB |
 | UK declaration of incorporation gear units | 00 | 443299 | 2021 10 | EN | 74.12 KB |
 | Declaration of Incorporation gear units | 00 | 442718 | 2015 04 | EN | 48.83 KB |
Take advantage of the expertise of our application engineers in the Sales Centers or contact our first level support.
OPENsystemsupport@stoeber.de
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OPENRugged gear units. Pleasant people.
„Die Zusammenarbeit mit STÖBER funktioniert schon über viele Jahre. Das Peis-Leistungs-Verhältnis ist gut und die STÖBER Getriebe sind besonders robust. Wir hatten noch nie Probleme mit einem Antrieb und unser Ansprechpartner ist immer schnell zur Seite.”
– Achim Knupfer, Managing Director, ALFA TOOLS Spezialmaschinenfabrik GmbH
We get your visions moving
in various industries and markets worldwide.
Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.
More than helical bevel gear units: This might also interest you
The offset helical gear units of the F series have a lot to offer. They feature an extremely space-saving design and high efficiency.
Are you looking for a compact, universally applicable gear unit? Made from one mold?
We recommend STOBER C series helical gear units.
Helical Bevel Servo Geared Motors
Helical bevel gear units and synchronous servo motors as an integrated compact unit featuring very convenient installation dimensions and a high power density.
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