HEIDENHAIN NC 124 User Manual

Page 26

Manual Operation and Setup

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

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FCT