Selecting Fixing Screws; Preconditions For Smooth, Vibration-Free Operation - Siemens SIMOTICS FD 1LL1 Operating Instructions Manual

NOTICE
Improper handling
Mounting parts such as temperature sensors or speed sensors are attached to the machine
and could be ripped off or destroyed as a result of improper handling. This could lead to
machine malfunctions, extending even to total loss of the machine.
● Where necessary, use suitable steps when performing installation work on the machine.
● Do not stand on cables or attachments during installation. Do not use attachments as
5.3.2

Selecting fixing screws

● Unless specified otherwise, use mounting bolts with at least strength class 8.8 to ISO 898‑1.
● Take into account the maximum forces occurring in the case of a fault such as short circuit
See also
Technical data and drawings (Page 157)
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
SIMOTICS FD 1LL1
Operating Instructions 04/2016
steps.
In this way you guarantee that the machine is securely mounted and the forces can be
transferred through the torque.
or system transfers in phase opposition.
– When selecting the bolts
– When designing the foundation
Assembly
5.3 Installing the machine
59