-22- G4000 9'' x 19'' Lathe
NNOOTTIICCEE
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forget to lock down the tailstock after
each adjustment.
FFiigguurree 3300..
Bar stock mounted on centers.
FFiigguurree 3311..
Adjusting for headstock end taper.
FFiigguurree 3333..
Tailstock offset adjustment screw.
33..
Place the live center in your tailstock.
44..
Attach a lathe dog to the bar stock and
mount it between the centers.
FFiigguurree 3300
55..
Turn approximately .010" off the diameter.
66..
Measure the stock with a micrometer. If the
stock is fat at the tailstock end, the tailstock
needs to be moved toward you the amount
of the taper.
FFiigguurree3311..
If the stock is thin-
ner
77..
Loosen the tailstock mounting bolt. Adjust
the tailstock offset by the amount of the
taper by turning the adjustment setscrews.
FFiigguurree 3333..
Turn another .020'' off the stock
and check for taper. Repeat as necessary
until the desired amount of accuracy is
achieved.
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TTIIPP
Before making adjustments to the tailstock,
mount a magnet dial indictor so that the dial’s
plunger is on the tailstock barrel.
at the tailstock end, the tailstock needs to be
moved away from you the amount of the
taper.
FFiigguurree 3322..
