Rotational Direction; Feed; Feed Speed - Optimum OPTiturn TH 4210 Betriebsanleitung

4.11

Rotational direction

The rotational direction of the machine is
switched with the shift lever. The lathe can
only be switched on, when the lathe chuck
protection is closed.

Move the shift lever down if you want
the turning direction to be anti-clock-
wise.

Move the shift lever up if you want the
turning direction to be clockwise.
ATTENTION!
Wait until the lathe has come to a
complete halt before changing the
rotational direction
actuating lever rotational direction. Use
the spindle brake to slow down the lathe
more effectively.
A change of direction of rotation during
operation leads to the destruction of
components.
4.12

Feed

The selector levers are used to set the feed
or the pitch required for the thread-cutting.
ATTENTION!
Always switch the step lever to the
neutral position first before selecting
another gear stage.
Only switch the step lever when the speed of the spindle is 500 rpm or less.
switching all other levers at the headstock, the spindle must have come to a halt.
ATTENTION!
Damage to couplings, mechanical parts. The automatic feed is not designed to move
onto mechanical stops or the mechanical end of the headstock.

4.12.1 Feed speed

There are rates of feed in the range from 0.05 to 1.7 mm per spindle rotation at disposal. Use
the table on the lathe to adjust the rate of feed.
Look for the symbol
feed by the selector levers.
Version 1.0.2 - 2022-05-02
by turning the
Spindle brake
on the table of the lathe to select the rate of feed. Select the rate of
Translation of original operating manual
Shift lever
Img.4-2: Spindle rotation lever
Img.4-3: Spindle brake
Step lever
Img.4-4: Feed selection lever
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