Are you looking for a bevel gearbox?
In bevel gearboxes, the input shaft and output shaft are at an angle to each other. This results in a deflection of the axis of rotation and enables the motor to be mounted at a right angle. The right-angle gearboxes can be easily combined with other gearbox types and thus open up space-saving machine concepts. The RDR and RS-A series also use a bevel gear preliminary stage to transmit movements and forces at an angle.
Cycloidal gearboxes and bevel gears
Bevel gearboxes rarely consist of a single gear stage; they are usually combined with other gearbox types. For multi-stage solutions, for example, one or more helical gear units are used in the other gearbox stages. In precision applications, bevel gearboxes are used exclusively as a preliminary stage of cycloidal gearboxes or planetary gearboxes in order to redirect the flow of force and the rotary motion at right angles. The backlash of the bevel gears is hardly noticeable, as it is reduced by the overall reduction ratio with the downstream precision gear.
Cycloidal gears with a bevel gear preliminary stage are in demand wherever installation space is limited and at the same time the highest demands are placed on precision, dynamics and service life. This is the case in encapsulated machines, for example, in machine tool construction or medical technology. In most applications, they have an advantage over conventional bevel gear planetary systems in terms of performance, durability and size. Especially when low backlash and high positioning accuracy are essential, there is no way around cycloidal gears. With a hysteresis loss of < 1 arcmin and a pure backlash of just 0.1 to 0.2 arcmin, these innovative gear systems are simply unbeatable in terms of precision. For comparison: a precision planetary gearbox has a pure backlash of 1 to 3 arcmin.
Discover cycloidal gearsCycloidal gearbox with bevel gear pre-stage
If your application requires a right-angled motor attachment, the RDR series(solid shaft gearboxes and hollow shaft gearboxes) and the rotary tables from the RS-A series are the first choice. The cycloidal gearboxes with a bevel gearbox in the preliminary stage are highly precise, extremely robust and absolutely reliable and have proven themselves successfully in countless applications and industries worldwide.
Your advantages:
- Power transmission at a 90-degree angle
- Space-saving installation
- Maximum precision: hysteresis loss < 1 arcmin, pure backlash = 0.1-0.2 arcmin
- High rigidity
- High shock load capacity (up to 500 % of the rated torque)
- Long service life with minimal wear
- Ideal solution for limited installation space
Strain wave gears and bevel gears
Strain wave gears and bevel gears are not a sensible combination. With a bevel gear stage on the output side, the zero backlash of the gearbox is lost - but this is not desirable in most cases. In addition, the small precision gearboxes are used with similarly small motors, which generally makes an angled arrangement unnecessary.
Discover strain wave gears
Bevel gears
Bevel gears are angular gearboxes, i.e. the input and output shafts are arranged at an angle to each other. The offset is usually 90 degrees, but other angles are also possible. This design ensures that the flow of force is redirected. Torques, speeds, directions of rotation and/or forces can therefore be transmitted around the corner. This means that the motor can be installed at an angle to the axis of rotation, enabling the design of more compact machines. This makes these gearboxes ideal for applications where space is limited, especially if the axial length is restricted.
A bevel gearbox consists of a bevel gear (also known as a ring gear) and a bevel pinion. Depending on the application, straight-toothed, helical-toothed or curved-toothed bevel gears are used. Bevel gearboxes are relatively simple and inexpensive. They score points with high speeds, low maintenance requirements, very smooth running and a long service life.
