11
Straight Turning
In the straight turning operation, the tool feeds parallel to the
axis of rotation of the workpiece. The feed can be either manual
by turning the handwheel on the lathe saddle or the top slide, or
by activating the automatic feed. The cross feed for the depth of
cut is achieved using the cross slide. (Fig. 14)
Fig. 14
Facing and Recesses
In the facing operation, the tool feeds perpendicular to the axis
of rotation of the workpeice. The feed is made manually with the
cross slide handwheel. The cross feed for cut depth is made with
the top slide or lathe saddle. (Fig. 15)
Fig. 15
Turning Between Centers
For turning between centers, it is necessary to remove the chuck
from the spindle. Fit the MT 5 center into the spindle nose and
the tailstock. Mount the workpiece fitted with the driver dog
between the centers. The driver is driven by a catch or face plate.
Note: Always use a small amount grease on the tailstock center
to prevent center tip on overheating.
(Fig. 16)
Fig. 16
Taper Turing Using Tailstock Off-set
Work to a side angle it can be turned by off-setting the tailstock,
the angle depends on the length of the workpiece.
Loosen the nut (A. Fig. 17), handle (C) and two screws (D) then
adjust the screw (A) to deflect the quill center line off-track from
spindle center line, for getting the desired taper, please refer to the
value in scale plate (E).
Taper direction adjustment:
To get the forward-off-track (operator side), be lose the nut (A) in
front and tighten the nut (A) in back to move the body of tailstock
forward to the desired value against scale plate, and then tighten the
nut (A) in front. For backward-off-track, as same procedures as above
Fig. 17
mentioned. Must be clamped the screw (E) after taper turned, and the
tailstock should be returned to its original position according to the
zero position on scale of tailstock.
Содержание BL330E
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