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Model G0746/G0749 (Mfg. Since 3/13)
-33-
Chuck & Plate
Mounting
Camlock Stud
Installation
This lathe is equipped with a D1-type spindle
nose. This type of spindle uses camlocks that are
adjusted with a chuck key to securely mount a
chuck or faceplate with repeatable precision and
ease.
This lathe ships with the 3-jaw chuck installed.
This is a scroll-type chuck where all three jaws
move in unison when the chuck key is used.
The included 4-jaw chuck features independent
jaws, which are used for square or unevenly-
shaped stock, and to mount work that needs to be
adjusted to near zero total indicated runout.
The included faceplate has slots for T-bolts that
hold standard or custom clamping hardware. With
the correct clamping hardware, a faceplate offers
a wide range of uses, including machining non-
concentric workpieces, straight turning between
centers, off-center turning, and boring.
Never use spindle speeds faster than the
chuck RPM rating or the safe limits of
your workpiece. Excessive spindle speeds
greatly increase the risk of the workpiece or
chuck being thrown from the machine with
deadly force!
The included drive plate has drive pins, which are
used in conjunction with a straight lathe dog for
turning workpieces between centers.
Refer to Camlock Stud Installation for installing
camlock studs on the chucks, faceplate, and drive
plate.
3. Install a cap screw in the hole next to each
stud. These cap screws prevent the studs
from rotating so they properly engage with
the camlock during installation.
Note:
It is normal for studs to have a small amount
of play or looseness after installing and tightening
the cap screws.
To install the camlock studs:
1.
Lightly oil the threads of each stud.
2.
Thread the studs in until the datum line is
flush with or just above the surface, and the
alignment groove is positioned over the hole.
Cap
Screw
Datum Line
Flush with
Surface
Alignment
Groove
Figure 31. Camlock stud installation.
This section provides information about how to
install and adjust the camlock studs so the chuck,
faceplate, and drive plate properly mount to the
spindle.
Note: You can skip this section if the camlock
studs are already installed.