![]() ![]() ![]() It can also be done with a rigid flange coupling that connects the sold shafts of the gear drive and driven equipment together. This can be done by making the low-speed shaft of the gear drive hollow and securing it in place around the solid shaft of the drive equipment with a bushing and keeper plate. In this case, the gear drive low speed shaft is rigidly connected to the driven equipment shaft. If it is not possible to place a foundation for the motor, gear drive, and driven equipment into the application, the gear drive may be shaft-mounted to the application. This prevents the equipment from moving independent of each other, which also causes misalignment and vibration. ![]() Foot mounted drives should also be on foundations that are well connected to the motor and driven equipment foundations. These drives are sensitive to soft-foot, a condition that occurs when the feet are not level to each other which causes misalignments between the shafts. That may seem simple, but it requires the foundation to be sufficiently rigid to support the drive and the torque passing through it. ![]() Foot-mounted gear drives are mounted to a foundation or baseplate through bolt holes in their feet. Like shaft arrangement, mounting is determined by the space and structure limitations in the system. There are two ways to mount a gearbox into a system: foot-mounted or shaft-mounted. ![]()
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