12 | Worm Gearbox line
The use of a hammer in the assembly of these elements can damage the bearings and teeth of the gear
gearbox's worm.
The elements mounted on the shafts must be carefully aligned (even if it is an elastic coupling) to avoid
vibrations and additional forces. It is convenient to heat the part to be assembled up to about 100ºC; it can be
used the hole of threaded center in the end of the gearbox shaft in the assembly aid, making then the necessary
locking to avoid axial displacements of the transmission element.
ATTENTION!
In accordance with the accident prevention regulations, protect all rotating parts by
means of protections installed against unwanted contact and against falling objects on the transmission
element, complying at least with the protection requirements (in Brazil according to NR12 standard and/or
according to work safety standard applied to the country where the product will be installed and used).
In the case of gearboxes/geared motors with a hollow shaft, do not mount the gearbox/geared motor to the
device by means of blows. To avoid contact oxidation and assembly difficulties, it is recommended to apply
and spread antioxidant greases (such as Dow Corning Molykote G-Rapid Plus or similar) on the shaft, housing
and keyway.
5.3
Mounting position of the notched hub
Gearboxes and Geared motors supplied with a torque arm must be guided axially and radially along the shaft
of the equipment and fixed by the torque arm; anti-vibration dampers compensate for oscillations in the radial
direction of the gearbox (see figure below):
Содержание CESTARI Worm Gearbox line
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