SIEMENS/INNOMOTICS COMPACT ELECTRIC GEARBOXES

SIMOGEAR compact geared motors combine an electric motor and a robust gear unit into one space‑saving drive package—ideal wherever installation space is limited and reliable, efficient power transmission is required. Thanks to the wide range of gear unit variants and configuration options, SIMOGEAR can be adapted to many different machine concepts and application demands.

K‑Drives supports you from selection to delivery: compact gear units are highly configurable, so our specialists help you choose the right type, ratio, mounting, and output arrangement, and can provide documentation and configuration assistance upon request

Portfolio at a glance

• Helical (in‑line) gear units – used for general drives such as conveyors, pumps, and fans, offering high efficiency and a simple coaxial layout for reliable, low‑maintenance operation.
• Parallel shaft / shaft‑mounted helical gear units – used for conveyor and material‑handling drives, providing a shorter overall drive length and convenient mounting options (e.g., hollow shaft/torque arm) where space is tight.
• Helical‑bevel (right‑angle) gear units – used for applications needing a 90° power transfer (e.g., conveyors or agitators), delivering very high efficiency and compact right‑angle installation.
• Worm gear units – used for simple, cost‑sensitive drives like small conveyors or positioning mechanisms, benefiting from compact right‑angle design and a potential self‑locking effect in many setups.
• Helical‑worm (right‑angle) gear units – used for conveyors and mixers requiring right‑angle mounting and higher ratios, combining robust torque handling with a space‑saving design and economical selection for many standard duties.

Motox/Simogear Helical Gearboxes

Helical gearboxes are the most widely used gearbox design for all types of standard applications with a solid output shaft in the motor axis.

• available for motor power up to 200 kW
• output speeds of 0.06 to 1,088 rpm
• output torque up to 20,000 Nm
• simple and robust design delivering high efficiency
• broad gearbox and motor configuration options
• also available in a version for zones where there is a risk of explosion or ignition (ATEX certification)
• design only with a solid output shaft

Motox/Simogear parallel-shaft gearboxes

Gearboxes derived from the spur gearboxes, with an output shaft parallel to the motor axis. Suitable for applications where a spur gearbox would be too long, or where a hollow output shaft or a cylindrical one- or two-sided shaft is required. 

• available for motor power up to 200 kW
• output speeds of 0.05 to 365 rpm
• output torque up to 20,000 Nm
• simple and robust design delivering high efficiency
• broad gearbox and motor configuration options
• also available in a version for zones where there is a risk of explosion (ATEX certification)
• design only with a hollow or solid one- or two-sided output shaft

Motox/Simogear helical-bevel gearboxes

Gearboxes with a combination of helical and bevel gears are very popular due to their very high efficiency. They are suitable for applications that require a hollow or solid (one- or two-sided) output shaft perpendicular to the motor axis.

• available for motor power up to 200 kW
• output speeds of 0.05 to 306 rpm
• output torque up to 2,000 Nm
• robust design delivering very high efficiency
• broad gearbox and motor configuration options
• also available in a version for zones where there is a risk of explosion (ATEX certification)
• design only with a hollow or solid one- or two-sided output shaft

Motox/Simogear worm gearboxes

One of the most widespread gearbox designs uses worm gears. The advantages of worm gearboxes are their low cost, very simple design and, where required, self-locking. Their downside is the relatively high torque loss (low efficiency). Compact worm gearboxes are only supplied with a limited range of outputs and gear ratios. They are suitable for applications that require a hollow or solid (one- or two-sided) output shaft perpendicular to the motor axis. For more demanding applications and high output, we recommend Cavex worm gearboxes. 

• available for motor power up to 1.5 kW
• output speeds of 14 to 201 rpm
• output torque up to 224 Nm
• broad motor configuration options, limited gearbox configuration options
• design only with a hollow or solid one- or two-sided output shaft

Motox/Simogear helical-worm gearboxes

Gearboxes combining spur and worm gears are cost-effective and torque-resistant. The main disadvantages, compared to the helical-bevel design, are the lower efficiency and smaller range of outputs and gear ratios. They are suitable for applications that require a hollow or solid (one- or two-sided) output shaft perpendicular to the motor axis.

• available for motor power up to 9.2 kW
• output speeds of 0.05 to 148 rpm
• output torque up to 1,590 Nm
• broad gearbox and motor configuration options
• also available in a version for zones where there is a risk of explosion (ATEX certification)
• design only with a hollow or solid one- or two-sided output shaft