HEIDENHAIN NC 124 - Manual (Page 26)

3 Manual Operation and Setup
26 TNC 124
You can connect the following HEIDENHAIN electronic handwheels
to your TNC 124:
• HR 410 portable handwheel
• HR 130 integral handwheel
Direction of traverse
The machine manufacturer determines in which direction the
handwheel must be turned to move an axis in a specific direction.
If you are working with the HR 410 portable handwheel
The HR 410 portable handwheel is equipped with two permissive but-
tons ➂ . You can move the machine axes with the handwheel ➁ only
if a permissive button is depressed.
Other features of the HR 410:
• Axis selection keys X, Y and Z ➃ .
• The axes can be moved continuously with the + and – direction
keys ➆ .
• Three keys for slow, medium and fast traverse ➅ .
• Actual-position-capture key ➄ for transferring positions or tool
data in teach-in mode directly from the position display into the
program or tool table (without having to type the numbers).
• Three keys for machine functions ➇ defined by the machine
tool builder.
• EMERGENCY STOP button ➀ for immediate machine shut-
down in case of danger. This safety feature is additional to the
permissive buttons.
• Magnetic holding pads on the back of the handwheel enable you
to place it within easy reach on a flat metal surface.
Traversing with the electronic handwheel
Moving the Machine Axes
Electronic handwheels can be connected only to ma-
chines with preloaded drives. The machine manufacturer
can tell you whether electronic handwheels can be
connected on your machine.
Select the Electronic handwheel function.
The handwheel symbol is displayed next to the “X” for the X coordinate.
Select the coordinate axis at the handwheel.
The handwheel symbol is shifted to the selected coordinate axis.
Press the permissive button! Turn the handwheel to move the machine axis.
Select the traverse per revolution: large, medium, or small,
as preset by the machine tool builder.
Example: Moving a machine axis with the HR 410 electronic handwheel,
for example the Y axis
Operating mode: MANUAL MODE
Fig. 3.3: The HR 410 portable electronic
handwheel
Y
–
Z
Y
X
+
V
IV
FCT
B
FCT
A
FCT
C
2
3
4
5
6
7
8
1