Machine Description - Holzmann ED 400FD Instruction Manual

4.

MACHINE DESCRIPTION

The ED 400FD is a High Quality metal
turning lathe, especially designed for the
sophisticated private user but as well
for professional workshops requiring the
machine for processing small to middle
workpieces.
LATHE BED - FIG. 3
The lathe bed is made of high-grade iron
with low vibration and rigidity. It integra-
tes the headstock and drive unit, for at-
taching the carriage and leadscrew. The
two precision-ground V-sideways, re-
enforced by heat hardening and grinding,
are the accurate guide for the carriage
and tailstock. The main motor is mounted
to the rear of the left side of the bed.
HEADSTOCK - FIG. 4
The headstock is cast from high grade,
low vibration cast iron. It is bolted to the
machine bed with four screws. The head-
stock houses the main spindle with two
precision taper roller bearings and the
drive unit.
The main spindle transmits the torque
during the turning process. It also holds
the workpieces and clamping devices
(e.g. 3-jaw chucks)
CARRIAGE - FIG. 5
The carriage is made from high quality
cast iron. The slide parts are smoothly
ground. They fit the V on the bed without
play. The lower slide parts can be easily
and simply adjusted. The cross slide is
mounted on the carriage and moves on
a dove tailed slide. Play in the cross slide
may be adjusted with the gibs.
Move the cross slide with the hand-
wheel.
A four way tool post is fitted on the top
slide and allows four tools to be clamped.
Loosen the center clamp handle to rotate
any of the four tools into position.
APRON - FIG. 6
The apron is mounted on the bed. It
houses the half nut with an engaging le-
ver for activating the automatic feed.
The half nut gibs can be adjusted from
the outside.
A rack, mounted on the bed, and a pinion
operated by handwheel on the carriage
allow for quick travel of the apron.
LEADSCREW - FIG. 8
The leadscrew A is mounted on the front
of the machine bed. It is connected to
the gearbox at the left for automatic feed
and is supported by bearing on both ends.
The hex nut B on the right end is desig-
ned to take up play on the leadscrew.
TAILSTOCK - FIG. 9
The tailstock slides on a V way and can
be clamped at any location. The tailstock
has a heavy-duty spindle with a morse
taper MT2 socket and a graduated scale.
The spindle can be clamped at any loca-
tion with a clamping lever. The spindle is
moved with a handwheel at the end of
the tailstock.
Fit the securing screw C at the end of the
lathe on order to prevent the tailstock
from falling off the lathe bed.
EMERGENCY BUTTON ON/OFF
See figure 10, number D. The machine
can be switched on and off with the ON/
OFF button. Depress to stop all machine
functions. To restart, lift the cover and
press the green ON button.
SPINDLE DIRECTION SWITCH
See figure 10, number E. After the ma-
chine is switched on, turn the spindle di-
rection switch E to the position „F" for
counter clockwise rotation or to position
„R" for clockwise spindle rotation. „0" is
the OFF position and the spindle remains
idle.
VARIABLE SPEED CONTROL KNOB
See figure 10, number F. Turn the cont-
rol knob clockwiese to increase and anti
clockwise to reduce the spindle speed.
The speed range depends from the drive
belt position.
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