The angular contact thrust bearings
are located in the non-drive end of the motor where they receive maximum cooling from the motor fan.
This type of vibration is likely to cause harm to propulsion system, including increased wear of thrust bearing
and flexible coupling as a result of increased relative motion between fixed and rotating parts.
Vaidya and Sadeghi (2008) illustrated analytically that in an orbiting thrust bearing
usually encountered in scroll compressors, wide and shallow circular pockets improve thrust bearing
lubrication performance as compared to radial circular grooves.
The thrust bearing
operation was performed by two cutters with eight teeth.
In the quest for understanding the orbiting thrust bearing
Kulkarni (1990) proposed an approach to design the inner and outer radii of thrust bearing
to take into account axial load as well as any twisting moment.
Integral thrust bearing
gear units are said to be used in a variety of applications in the rubber and plastics industries.
Macchi's syn-torque line had one 7000-Nm Siemens motor and Knoedel/SKF thrust bearing
on the 80-mm main extruder, two 5000-Nm torque motors on each of two 65-mm coextruders, and 200-Nm syn-torque motors driving nip and chill rolls, where they reportedly provide more precise tension control than do servo motors.
The spindle is supported by both an angular thrust bearing
and dual taper roller bearings for long life.
An example of this extruder model in its standard form includes a double reduction gearbox with helical carburized gears, an integral high capacity thrust bearing
, a cast iron feed section, a four-zone DS 1000 bi-metallic barrel assembly with heat clamp arrangement, a DSBM-T high performance barrier mixing feed screw, AC motor and drives, integrated control cabinet with four barrels and three die zones, digital speed and ammeters.
The 1900 Series is equipped with a double acting thrust bearing
and bronze bushing.
Baumuller's DST line of gearless, synchronous, permanent-magnet torque motors, first seen on a lab machine at the K 2004 show in Dusseldorf, is now available in larger models with an integral thrust bearing
(normally built into the gearbox of standard motors).