Feed Control - Siemens SINUMERIK 840D Operator's Manual

2
Operator Components/Sequence of Operations
2.4 Machine control panel keys

2.4.3 Feed control

Feed Stop
Feed Start
+X +Z
X Z
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Rapid feed 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
If you press the "Feed stop" key:
· Execution of the current program is stopped,
· The axis drives are brought to a standstill under control,
· The associated LED lights up as soon as feed stop has been
accepted by the control and
· The following appears in the header (program control display):
FST (= Feed Stop)
Example:
- In "MDI" mode an error is detected during execution of a block.
- A tool change is to be carried out.
Feed start
If you press the "Feed start" key:
· The part program is continued in the current block,
· The feedrate is accelerated to the value specified by the program,
· The associated LED lights up as soon as feed start has been
accepted by the control.
Axis keys (for turning machines):
Press these keys to traverse the selected axis (X...Z) in a positive
direction.
Press these keys to traverse the selected axis (X...Z) in negative
direction.
SINUMERIK 840D/840Di/810D Operator's Guide HMI Advanced (BAD) – 03.04 Edition
2
03.04
Ó Siemens AG, 2004. All rights reserved