
Operation
Version 1.0.2 - 2020-09-15
44
Translation of original instructions
GT25 | GT30 | GT40
EN
GT25_G
T30_G
T40_G
B_4.
fm
4.8.1 Electronic hand wheel
Set switch SA4 on the control panel to "electronic handwheel".
The electronic handwheel (3) is used for manual infeed of
the grinding wheel. The lateral enabling switch (2) must be
pressed to enable infeed with the electronic handwheel.
Step factor OFF: Electronic handwheel is switched off.
Step factor 1: One pulse on the electronic handwheel corre-
sponds to a travel distance of 0.005mm
Step factor 10: One pulse on the electronic handwheel cor-
responds to a travel distance of 0.05mm.
The actual infeed is read off the DRO.
INFORMATION
The maximum possible travel speed with the electronic
handwheel in step factor 1 is limited to 300mm/min. In step factor 10 the maximum possible
traversing speed is 700mm/min.
Use the Jog mode with the pushbuttons on the control panel to position the grinding wheel to
the desired position. The switch <SA4> must be set to <Jog mode>. The step size per key
press is selectable in the <HMI>.
Push buttons for grinding head up and down in Jog mode on page 42
4.8.2
Switching on the crossfeed
Switch on the control voltage.
Set switch <SA2> to <automatic>
Press <SB8> or <SB9>.
The table automatically moves forward and backward alternately.
To set the speed 0.1 - 8 mm turn the "VR" control clockwise for
infinitely variable traversing speed in the transverse axis.
Travel range see:
Transverse axis - Z axis on page 43
2
3
10
1