OPTIMUM
M A S C H I N E N - G E R M A N Y
Version 1.0.1 2014-05-16
Page 117
Original operating instructions
TU2506 | TU2506V | TU2807 | TU2807V
GB
3.13.5 Speed table TU2807V
INFORMATION
For Vario lathes the maximum speeds are technically limited to 4000 min
-1
at the V-belt position
AC 3. It is impossible to have an effective controlling variable of 225% in the V-belt position AC
3. The full range of controlling variables from 15% to 225% are only available for the V-belt po-
sition AC 1.
This setting is intended to prevent the workpiece from getting loose by too high centrifugal force
of the clamping jaws on the lathe chuck.
3.14
Feed adjustment
3.14.1 Selector switch
Use the selector rotary switches
to select the feed direction and
feed speed.
ATTENTION!
Wait until the machine has
come to a complete halt
before making any change to
the selector switches.
Img.3-14:
Selector lever
INFORMATION
Use the table on the lathe for selecting the feed speed or the thread pitch. Change the change
gears if the required thread pitch cannot be obtained with the installed gear set.
Selector lever
feed direction
Selector lever
Infeed speed,
pitch
