Headstock
The headstock houses the Rotor, Stator, Electronics, bearings, and the Spindle. The headstock spindle
accepts centers and accessories with no. 2 Morse taper (#2 MT), plus threaded faceplates and chucks.
Spindle Thread Size
United States, Canada, Australia, New Zealand,
South Africa, United Kingdom.
Europe (excluding the UK)
Mounting a faceplate or chuck
1. Use the Spindle Index Pin to lock
the headstock spindle.
2. Remove the side-locking screw,
then wind the faceplate or chuck
onto the spindle threads. A spindle
washer in between may be used to
make removal easier.
Warning!
The faceplate or chuck body
must contact the shoulder on
the spindle bearing.
3. Pull and turn the Index Pin and
place it in the "safe" indentation in
the headstock.
4. A vee groove is provided in the
spindle for a special locking
grubscrew that is used in
conjunction with Nova chucks and
accessories to prevent unwinding
during reverse operations. Wind in
the side-locking grub screw and
lock firmly in place, without over
tightening.
Warning!
It is important that all Chucks and
Faceplates that are used on the DVR
XP spindles have a side-locking
function.
Some older Teknatool products may
not have a side-locking function. If any
of these products are intended to be
used on the DVR XP spindle they will
need to undergo a modification to
include the side-locking function or new
products purchased with a side-locking
function. All spindle mounted products
produced by Teknatool International for
the DVR Lathe have side-locking
functions*.
The side-locking function should be
used at all times while running the
chuck on the spindle during operation.
Without this function engaged the
Chuck or Faceplate may unwind from
the spindle during operation.
Warning!
When installing or removing the Faceplate or Chuck
from the spindle, the side-locking grub screw MUST be
completely removed.
This avoids any potential damage to the spindle that the
grub screw may cause if it were not completely
removed, when winding the Faceplate or Chuck on or
off the spindle.
*Exception 1. When an ILNS insert is used with a
FP150Z faceplate on the DVR3000 or a Spindle
adaptor, the insert or adaptor must be located onto the
faceplate to avoid it unwinding when the spindle is run
in reverse. Loctite 272 Threadlocker is recommended.
*Exception 2. Customers with dedicated threaded
Teknatool chucks who intend using the chuck on the
DVR XP Spindle must have a side-locking function
adapted to the chuck before running it. Chucks with
M33 threads may apply for Europe.
IMPORTANT NOTE
The Index Pin is designed for indexing and not for
leveraging against, when removing faceplates, inserts
and chucks. For this we recommend holding the spindle
using the operating bar through the 2 LHB holes (Left
Hand Brake).
Faceplate or
chuck body must
contact shoulder
on the Spindle
bearing.
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