Siemens SINUMERIK 840C Operator's Manual page 47

2 Operator Interface
Feed hold
Feed start
2-18
Machine manufacturer
The given increment sizes and the control range are valid for standard machine
data (MD). These can be altered by the machine-tool manufacturer to suit a
specific application.
When you operate the FEED HOLD key:
• The program being executed is stopped
• The feed drives are brought to a controlled stop
• The associated LED lights up as soon as FEED HOLD is accepted by the
control.
Examples for use of FEED HOLD:
• During application in MDA mode, a block with a fault is discovered
• To effect tool change
When you operate the FEED START key:
• The part program continues in the current block
• The feedrate is increased to the value specified by the program
• The associated LED lights up as soon as FEED START is accepted by the
control.
Machine manufacturer
The following is configured by the machine manufacturer:
• The feed and rapid traverse rates
• The values for feed override positions
• Whether the feed override switch is also active for rapid traverse
• The axis names (see machine-tool manufacturer's specifications)
6FC5198-6AA60-0BP1 © Siemens AG 1999 All Rights Reserved
SINUMERIK 840C, OEM Version for Windows (BA)
01.99