The damaging forms of the earthquake to the
ultrafine mill large-sized mechanical equipment are mainly as follows: 1. Damaging the strute member of the machine and foundation bolt. 2. Damaging the integrity of the shell and bearing pedestal. 3. Damaging the chaining bolt of the main parts of the large-sized machine. 4. Damaging the subsidiary conduit system.
Although the anti-seismic design of large-sized ultrafine mill is not complicated as that of the diesel-electric set in the nuclear power station, it requires that the cylinder should not cause damage to the sliding bearing and driving system in a common earthquake. The sliding bearing and driving system has a much higher value than that the cylinder, and the sliding bearing should not limit the axial motion of the ultrafine mill cylinder and only the thrust blake can limit it.
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