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5.3.3
Preconditions for smooth, vibration-free operation
Preconditions for smooth, vibration-free operation:
● Stable foundation design
● Precise alignment of the machine
● Correct balancing of parts to be fitted to the shaft end.
● Maintaining the vibration velocity according to ISO 10816‑3
5.3.4
Recommended alignment accuracy
The alignment accuracy required depends essentially on the configuration of the overall
machine train. Observe the required alignment accuracy of the coupling manufacturer in all
cases when aligning the machine.
Table 5-2
5.3.5
Aligning the machine to the driven machine and mounting it
The standard flange is provided with a centering. The choice of fit for the mating flange on the
driven machine is the system manufacturer's or the plant operator's responsibility.
Note
If the machine is not fitted with a standard flange, align the machine to suit the driven machine.
Procedure
The machine axis must be vertical when it is lifted and the flange must be parallel to the mating
flange, so as to avoid seizing and stressing. Otherwise damage to the centering will result.
1. Grease the centering flange with assembly paste to make the process easier.
2. Screw in two studs into tapped holes on opposite sides of the driven machine flange. The
3. Lower the machine slowly toward the driven machine and into the centering, so that the
4. If necessary, rotate the machine into the right position so that the clearance holes in the
SIMOTICS HV C 1NB1402-2AA84-4CA0-Z
Operating Instructions 06/2018
Recommended alignment accuracy
Speed
rpm
750
1500
3000
studs act as positioning aids.
flanges do not quite touch. Lowering too quickly risks damaging the centering.
flange are central to the tapped holes.
Parallel offset
mm
0.09
0.06
0.03
5.3 Installing the machine
Angular offset
mm per 100 mm coupling diameter
0.09
0.05
0.025
Assembly
53
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