Siemens SINUMERIK 840DE sl Commissioning Manual page 172

Spindle functions
10.3 Spindle diagnostics
10.3.9 Clamping system: Diagnostic statistics
This window displays the statistics for clamping operations and speed violations.
Statistical data
Number of correct clamping cycles
Clamping time (without tool)
● Within tolerance
● Outside tolerance
● Specification
● Current
Clamped (without tool)
● Speed violations
● Speed threshold
Faulty clamping/releasing opera‐
tions (total)
158
Meaning
Accumulated number of correct clamping cycles with or without
tool.
Correct clamping cycle means: "Released" clamping state [3] →
"Clamped" clamping state [7, 8 or 10] → "Released" clamping
state [3]. A clamping cycle is considered to be correct when a
clamping and subsequent release operation are performed via
the appropriate clamping states (without "State return"). Starting
from one clamping state, the next clamping state that can be
reached must not be the previous state. There is no dependency
on time.
The time within a clamping operation between the clamping
states "Tool released" and "Clamped without tool".
Accumulated number of clamping operations without tool that
were within the specified time.
Accumulated number of clamping operations without tool that
were outside the specified time.
Factory specification of the time for the clamping operation with‐
out tool.
Measured time for the last performed clamping operation with‐
out tool.
Diagnostics during the "Clamped without tool" clamping state.
Accumulated number of events during which the spindle speed
was greater than the set limit as delivered.
Limit for the spindle speed in the "Clamped without tool" clamp‐
ing state (as-delivered value).
Changing this speed limit via the diagnostics overview "S1
clamping system" → "Speed limits" → "Change" has no effect on
the value specified here.
Accumulated number of clamping operations that have not run
through the clamping states "Released" clamping state [3] →
"Clamped" clamping state [7, 8 or 10] → "Released" clamping
state [3] without interruption.
A clamping cycle is considered to be faulty when, starting from
one state, the next state that is reached is the previous state
again ("State return").
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1
SINUMERIK Operate (IM9)