1.0 05/05/2013
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5.Spindle speed or feed
rate not right.
tool.
5
．
Use spindle speed
recommended.
When
workpiece
is
machined from one end to
the other end, there is
incorrect result obtained.
1.Machine
Head
and
tailstock head is not in a
flat line.
1
．
Re-adjust tailstock and
make it in a flat line with
machine spindle position.
Chuck clamp can not be
moved or moved difficultly.
1
．
There is foreign object in
clamp.
1
．
Remove clamp, clean
and
lubricate
threads
before mounting it again.
Saddle can not be moved.
1
．
Gears are not all
engaged.
2
．
Gears are damaged.
1
．
Adjust position of gear.
2
．
Replace
damaged
gear.
Saddle is moved difficultly.
1
．
Saddle lock is too
much tightened.
2
．
There are too many
foreign objects over
machine bed.
3
．
Machine bed is too dry
and
needs
to
be
lubricated.
4
．
Pad iron is too tight.
1
．
Check
to
ensure
saddle
lock
fully
released.
2
．
Clean
off
foreign
objects
frequently
during cutting.
3
．
Lubricate machine bed
and handle.
4
．
Loosen
pad
iron
screws slowly.
Gear-shifting lever can be
not in place.
1
．
Gears in machine head
do not coincide with each
other completely.
1
．
Rotate spindle with hand
until gears coincide with
each other completely.
Loud and repetitive noise
comes from machine.
1
．
Gears
in
machine
head do not coincide
with
each
other
completely.
2
．
Gear
or
bearing
damaged.
3
．
Workpiece
hits
stationary object.
1
．
Adjust gear spacing.
2
．
Replace
damaged
gear or bearing.
3
．
Stop machine tool and
get
rid
of
trouble
immediately.
Tailstock chuck did not
come out of tailstock.
1
．
Tailstock lock knob is
too much tightened.
1
．
Turn locking handle
counterclockwise.
