S.) Coolant Facilities; T.) Tailstock; U.) Tailstock-Spindle Lock; V.) Tailstock Body Lock - Sharp 1118H Operations Manual & Parts List

S.) COOLANT FACILITIES

The coolant pump is controlled by Switch "C"
(Figure 30). Turn Switch "C" (Figure 30) to "ON"
position, the pump will run continuously, turn to
C
"AUTO" position, the pump will run only when the
machine is running. If pump switch is set at "OFF"
position, the coolant pump is off. Sump should be
cleaned periodically, depending on the type of
material being machined.
Figure 30-Control Unit Door

T.) TAILSTOCK

The tailstock is mounted on preloaded ball bearings and can support any load to the
spindle. It is provided with a fine "feed" for accurate work. The spindle of the tailstock is
graduated in eighths of an inch, and 1mm and has a travel of (3-3/4") 395mm
The handwheel is dual dial Inch and Metric. Graduations are 0.02mm (0.001").
It is built for the operator's convenience of operation just turn the dial ring "D" (Figure 32)
to the required location. It is unnecessary to tighten the dial rings. They are spring loaded,
so a lock screw is not needed. Sliding cover cage exposes only the dial in use.
D
Figure 31-Tailstock Spindle Travel Figure 32-Handwheel Dial Ring
U.) TAILSTOCK SPINDLE LOCK
The tailstock spindle lock holds the spindle
securely in any travel position. Move lever "L"
(Figure 33) toward the headstock lock
position and backward to the released
position.
L
M

V.) TAILSTOCK BODY LOCK

The tailstock can be clamped in any position
A
along the bed way by operating Lever "M"
B
(Figure 33). The Lever "M" (Figure 33) should
be adjusted to a clamp position between the
two stop pins "A" (Figure 33) and "B" (Figure
Figure 33-Tailstock Spindle and Body Lock
33). When tailstock is fully clamped, lever
"M" (Figure 33) should not contact stop pin
"A" (Figure 33).
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