13
Figure 7-7: index pin
7.9
Spur center: Installing/removing
The spur center is installed into the headstock
spindle. The center should first be mounted to your
workpiece, and then installed into the spindle. See
section 9.4
.
1. Disconnect lathe from power source.
2. Clean tapered end of center, and inside of
headstock spindle, then push center into
headstock spindle.
3. To
remove
a center, first remove workpiece
from lathe. Insert knockout rod (Figure 7-8)
through hole in handwheel and tap the end of
spur center.
IMPORTANT:
Hold the center by either
placing your thumb and forefinger on outside
diameter of spur center, or wrapping the center
with a rag. The center can be damaged if
allowed to fall.
Figure 7-8: removing spur center
7.10
Live center: Installing/removing
Live centers are installed into the tailstock quill.
See Figure 7-9.
1. Disconnect lathe from power source.
2. Clean tapered end of center and inside of
tailstock quill, then push center into quill. Test
the insertion by attempting to pull the center
out of the quill by hand. It should remain
secure within the quill.
3. Always tighten quill locking handle (M), once
the live center has been properly positioned in
workpiece. Make sure keyway (N) in quill is
aligned with locking handle.
To remove a live center:
4. Back off tailstock and remove workpiece from
lathe.
5. Loosen quill lock handle (M).
6. Rotate handwheel counterclockwise to retract
quill all the way, until live center comes out.
Hold the center while doing this to prevent it
from falling.
Figure 7-9: installing live center
7.11
Live center and cone
The live cone center, shown in Figure 7-10, can be
used without the cone. To remove cone from live
center, first insert pin through hole in live center
body as shown. If pin will not insert at first, rotate
cone until pin can be inserted. The cone can now
be removed by holding the body stationary while
unscrewing cone.
Figure 7-10: removing cone from live center
7.12
Spindle lock
Push spindle lock pin (P, Figure 7-11) and rotate
spindle slightly until pin engages. Slide plate
downward to hold pin in locking position.
Release spindle lock by pushing plate upward.
Содержание JWL-1840EVS
Страница 29: ...29 14 3 1 JWL 1840EVS Bed and Stand Assembly Exploded View...
Страница 33: ...33 15 0 Electrical Connections for JWL 1840EVS...
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Страница 36: ...36 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...