SIEMENS/FLENDER COMPACT ELECTRIC GEARBOXES

Compact gearboxes are high-quality gearboxes for standard drives. The electric motor is integrated with the gearbox into a single unit (the first gear is directly on the motor shaft). Separate gearboxes for connection to conventional IEC motors can also be supplied on request.

Due to the complexity of the gearboxes’ configuration, they cannot be purchased in our e-shop. Our specialists will be happy to help you make your selection. We will be happy to send you documentation or design a suitable set directly, on request.

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Do you want to check some information or find a specific gearbox feature? Browse the Motox or Simogear catalogs.

MOTOX catalogue

SIMOGEAR catalogue 

Compact gearbox request form

Our unique form will guide you through the gear configuration and selection and save time for you and our staff. You are a few clicks away from the complete demand.

go to the gearbox request form

How to choose a gearbox?

We will be happy to assist you in selecting a gearbox suited to your application. To do so, we will need a few details in order to provide the right advice: 

• the required motor output or output torque
• the required output speed
  
  • constant speeds or the speed range for inverter control
• the type of device to be powered
  
  • e.g. an agitator, conveyor, machine tool, etc.
• output shaft design requirements
  
  • hollow or solid, single- or double-sided, output on the motor axis or at a right angle to the motor axis, etc.
• drive clamping
  
  • feet, flange, torque arm, etc.
• working position (horizontal, vertical, other)
• any other requirements
  
  • explosion protection, increased radial or axial shaft load, drive protection for aggressive environments, etc.

We will draw up an offer in response to your requirements, including dimensional sketches, prices, delivery dates and detailed technical data. On request, we can also supply 3D models in various formats, or, for example, a report calculating the service life of bearings according to your requirements for the radial and axial forces on the output shaft.

Motox/Simogear spur gearboxes

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

Key features:

• 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 shaft-mounted helical 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. 

Key features:

• 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 spur 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.

Key features:

• 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 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. 

Key features:

• 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.

Key features:

• 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