Jet EVS-1440B, Инструкция по эксплуатации и каталог запасных частей

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7. With proper lifting equipment, slowly raise lathe
off shipping pallet. (See Figure 6-2). Do not lift
lathe by the spindle. Do not place slings
around bed – this can bend leadscrew and
feed shaft.
Figure 6-2
8. The lathe may be installed free-standing or
bolted to the foundation:
Free-standing – Use the provided cast iron
pads under each foot hole, and adjust using the
adjusting bolts with hex nuts (see
sect. 6.3 ).
Fixed installation – Position lathe over six bolts
(1/2in. or 12mm diameter) placed head-down in
the concrete. Refer to Figure 5-1 for hole
dimensions and spacing. Secure with hex nuts,
after leveling (
sect. 6.3 ).
6.3 Leveling the lathe
It is imperative that the lathe be on a level plane; that
is, where headstock and tailstock center points
remain aligned throughout the tailstock travel, with
the bed ways absent of twist and thus parallel to
operational center line.
A lathe which is not properly leveled will be
inaccurate, producing tapered cuts. Also, the center
point of the tailstock will vary as it is positioned along
the bed, thus requiring constant readjustment of the
set of the tailstock.
1. Use a machinist’s precision level on the bed
ways both front to back and side to side, as
shown in Figure 6-3. Take the reading in one
direction every ten inches. Make sure the ways
are clean and free of any debris before placing
a level upon them.
Deviation over bed length (see Figure 6-3):
(a) Maximum 0.02/1000mm
(b) Maximum 0.04/1000mm
2. Tighten foot screw nuts evenly to avoid
distortion.
3. Leveling should be inspected occasionally, and
especially if the accuracy of the lathe begins to
diminish.
Figure 6-3
6.4 Completing installation
1. Exposed metal surfaces have been treated with
an anti-corrosion coating. Remove this using a
soft rag and mild commercial solvent or
kerosene. Do not use paint thinner, gasoline, or
lacquer thinner, as these will damage painted
surfaces. Cover all cleaned surfaces with a light
film of SAE-20W machine oil, such as Mobil
DTE ®
Oil Heavy Medium.
2. Remove end gear cover. Clean all components
of end gear assembly with kerosene or mild
commercial solvent. Coat all gears with a
heavy, non-slinging grease. Replace end gear
cover.
NOTE: A limit switch prevents lathe from
operating while end gear cover is removed.
6.5 Chuck preparation and mounting
Grey iron chucks must not be
fitted on this high speed lathe. Use only ductile
iron chucks.
The three-jaw scroll chuck is shipped pre-installed
on the lathe. It can be used for clamping cylindrical,
triangular and hexagonal stock, and has reversible
jaws.
Chuck is heavy; request
assistance to remove or install.
Before removing a chuck, place a flat piece of thick
plywood across the bedways under the chuck to
prevent damage to the bedways should the chuck
fall from your hands. Alternatively, many users
make a wood chuck cradle that sits atop the ways
and accepts the specific diameter of chuck, for
easier installing and removal. Figure 6-4 shows an
example.
Figure 6-4