HEIDENHAIN NC 124 - Manual (Page 23)

3 Manual Operation and Setup
TNC 124 23
0
100
150 50
F %
3
Manual Operation and Setup
The machine manufacturer may define a method of
moving the axes that varies from what is described in
this manual.
Fig. 3.1: Feed rate override on the TNC con-
trol panel
Y–
Y+
X–´ X+
´
Z+
´
Z–´
50
100
150
F %
On the TNC 124 you can move the machine axes with:
• the direction keys,
• the electronic handwheel,
• incremental jog positioning, or
• positioning with manual data input MDI (see Chapter 4).
In the MANUAL OPERATION and POSITIONING WITH MDI
modes of operation (see Chapter 4) you can also enter and change:
• Feed rate F (the feed rate can only be entered in
POSITIONING WITH MDI
)
• Spindle speed S
• Miscellaneous function M
Feed rate F, spindle speed S and miscellaneous function M
To change the feed rate F:
You can vary the feed rate F infinitely by turning the knob for feed
rate override on the TNC control panel.
Feed rate override
You can vary the feed rate F from
0% to 150% of the set value