Example: This Is How You Tune The X Axis - Siemens SINUMERIK 840D sl Commissioning Manual

Drive tuning
10.3 Automatic servo tuning
● Maximum responsiveness:
The speed and position controller gain (servo gain factor) is tuned with maximum values and
minimum ruggedness.
Application: High-speed machining with maximum suppression of all disturbing forces such
as friction, teeth of the drive belt, strong cutting forces, when machining titanium, for
example. Recommended for high-speed machining with linear motors.
Precondition: The machine must have a rigid design; the dynamic masses do not change
significantly.
● Moderate responsiveness (= default):
This controller dynamic response is sufficient for the majority of machines and applications.
The setting is more rugged than "Maximum responsiveness".
Application: The inertia or the load mass of the axes does not change much and therefore
this setting is suitable for numerous applications.
● Conservative/robust responsiveness:
Only weak control gains are selected in order to ensure as high a level of ruggedness as
possible.
The speed controller is tuned so that it achieves maximum damping to prevent oscillations
and to achieve good position controller gain.
Application: Recommended for machines on which the mechanical axis system or the load
mass can change significantly. Also suitable for axes that respond with oscillations, e.g.
main spindles on turning machines or large axes with high load mass.
Recommended for applications with low requirements on the machining time.
10.3.3

Example: This is how you tune the X axis

Precondition
This example shows how to tune the X1 axis using the "Automatic servo tuning" function. In this
case, the following machine configuration is assumed:
300
CNC Commissioning: NC, PLC, Drive
Commissioning Manual, 12/2019, A5E48312804B AA