Helical-bevel gearboxes are a type of gearboxes consisting of at least two reduction stages, one stage being bevel gear wheels and the next being helical gwar wheels. A helical-bevel gearbox is a bevel gearbox. It is characterized by very high efficiency reaching 97%. The main advantages of helical-bevel gearboxes include high resistance to bending and their silent running. Depending on the gear ratio, we have two-, three- and four-stage gearboxes. Bonfiglioli helical-bevel gearboxes are marked with A.
Bonfiglioli supplies helical-bevel motoreductors in several versions:
- flange-mounted gearboxes for IEC or NEMA standard electric motors,
- flange-mounted gearbox for servomotors
- gearbox with integrated motor
- a reducer with an input shaft with a keyway.
The range of gear ratios in Bonfiglioli helical-bevel gearboxes is from I=5,4 to I= 1715.
An important advantage of helical-bevel gearboxes is also the possibility of output configuration:
- hollow shaft with keyway (two diameters available)
- full shaft with keyway (single or double sided)
- smooth hollow shaft with clamping ring
- hollow shaft with multi-keyway
- smooth hollow shaft with reduction bushings and clamping ring
- foot, flange or reaction arm mountings,
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