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10
6.0 General Description and Nomenclature
Figure 2 – General Description of ZX Lathes
Bed and stand
The lathe bed (A) is made of cast iron with low
vibration and high rigidity. Two precision-ground v-
slideways (B), reinforced by supersonic frequency
hardening, offer precision guidance for the
carriage. The main drive motor is mounted in the
stand (C) below the gearbox.
Headstock
The headstock (D) is cast from high grade, low
vibration cast iron. In the head, the spindle is
mounted in precision taper roller bearings. See
section 12.0 for detailed explanation of controls.
The electrical box is mounted to the rear of the
headstock.
A 3-Jaw scroll chuck (E) is included.
Feed gearbox
The gearbox (F) is made from high quality cast iron
and is mounted to the left side of the machine bed.
Carriage
The carriage assembly is composed of the Apron,
the Saddle, the Cross Slide, the Compound Rest,
and the four-way Tool Post.
Apron (G). Quick travel of the Apron for
positioning is accomplished by means of a bed-
mounted rack and pinion, operated manually by
the handwheel on the front of the apron, or
automatically by the feed direction handle.
Saddle (H). The saddle is made from high
quality cast iron and rides along the v-ways.
Cross Slide (
I). The cross-slide is mounted on
the saddle and used for cross feed operations. It
moves on a dovetailed slide which can be
adjusted for play by means of the gibs.
Compound Rest (J). The compound rest, which
is T-slotted and mounted on the cross slide, can
be rotated 360°, allowing tapers to be turned.
The compound rest travels on dovetailed ways,
with adjustable gibs.
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