TGB Group - Coronas de orientación - Coronas giratórias | Accessories and engines
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Accessories and engines

Bearing, Planetary Gearboxes and Motorizations

A bearing is a mechanical element that reduces the friction between a shaft and the pieces connected with it thanks to the rolling elements inside, which works as a holder to transmit the loads and helps to its rotation.

 

The rotation elements that can be used on the production of the bearing are: balls, rollers or needles. The bearings can also be classified depending on the load’s direction that they have to withstand: axial, radial or a combination or both.

 

The radial type is the one that withstands radial loads, which are loads on the normal direction to the axis direction that crosses its center (like a wheel), axial if it withstands loads on the same direction of its axis (like a hinge); and axial-radial if it withstands both.

 

Each bearing shows different characteristics depending on its design, making it more or less appropriated for each application.
The most common types are:

  • Deep groove ball bearings.
  • Axial deep groove ball bearings (single or double row).
  • Cylindrical roller bearings (single or double row).
  • Tapered roller bearings.
  • Needle bearings.

Planetary Gearboxes:
Planetary gearboxes allow reducing motor speed increasing to the maximum the output torque. Those can be supply as a part of an adapted solution to the client’s needs on drives, all together with motors or even with pinions for slewing rings.

Motorizations:
Depending on each case and need of the client, we offer different solutions of motors/motorizations. Most common used motors are: Hydraulics (working on a range of 25 to 400cm3/rev.); direct current electric motors with inner reduction (it’s possible to provide them with or without encoders); alternating current electric motors which can be supplied with all kind of gearboxes (most used range between 0.09 to 3 Kw power).
There is also the possibility to design and produce manual systems like cranks.

Manuals