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Feedrate Control - Siemens SINUMERIK 840D Operator's Manual

Computerized numerical control system for machine tools.
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2
03.04

2.3.3 Feedrate control

Feed Stop
Feed Start
X
Y
Z
9th Axis
....
+
 Siemens AG, 2004. All rights reserved
SINUMERIK 840D/810D Operator's Guide HMI Embedded (BEM) – 03.04 Edition
Feedrate rapid traverse override (feedrate override switch)
Control range:
0% to 120% of programmed feedrate.
In rapid traverse, the 100% value is not exceeded.
Settings
0%, 1%, 2%, 4%, 6%, 8%, 10%, 20%, 30%, 40%, 50%, 60%, 70%,
75%, 80%, 85%, 90%, 95%, 100%, 105%, 110%, 115%, 120%
Feed Stop
• Execution of the active program is stopped,
• The axis drives are shut down,
• The associated LED illuminates as soon as feed stop has been
accepted by the control,
• FST (= feed stop) appears in the header (program control display)
Example:
− In the "MDA" operating mode an error is discovered during
execution of a block.
− Tool change is to be carried out.
Feed Start
If you press the "Feed start" key:
• the part program in the current block is continued,
• the feed is accelerated to the value defined in the program,
• the associated LED illuminates as soon as feed start has been
accepted by the control.
Axis keys (for turning machines):
Traverse the selected axis (X.... Z).
Z
Axis keys (for milling machines):
Select axis (X.... 9) for traversing
in a positive direction with the "+" key or
Operator Components/Operating Sequences
2.3 Machine control panel keys
2
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