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18.9.2 Longitudinal turning
18.9.3 Plain turning and recessing
18.9.4 Fixing the lathe slide
18.9.5 Turning between tips
18.9.6 Turning short taper with the top slide
HOLZMANN MASCHINEN GmbH
During facing, the planer tool is moved parallel to the axis
of rotation. The feed is carried out either manually by
turning the handwheel on the lathe slide or on the upper
slide or by switching on the automatic feed. The infeed for
the cutting depth is effected via the cross slide.
When facing, the turning tool is moved at right angles to
the axis of rotation. The feed is done manually with the
handwheel of the facing slide. The feed of the cutting depth
is effected by the top slide or the bed slide.
The cutting force occurring during facing, grooving or
cutting-off operations can cause the lathe slide to move.
Therefore fasten lathe slide with the fixing screw.
The short taper is turned by hand with the top slide. The upper
slide is swivelled according to the desired angle. The infeed
takes place with the cross slide:
www.holzmann-maschinen.at
Workpieces that require a high concentricity are
machined between the tips. A centre hole is drilled
in both face turned faces of the workpiece. The
turning heart is clamped onto the workpiece. The
driving pin, which is screwed into the chuck flange,
transmits the torque to the rotary heart. The fixed
centering point is located in the centre hole of the
workpiece on the spindle head side. The rotating
center point is located in the centering hole of the
workpiece on the tailstock side.
OPERATION
54
ED300ECO
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