Lathe Safety
Every
effort
has
been
made
in the design and production
of
the M250 lathe
to
comply .with
statutory
safety requirements and
to
provide a fundamentally
safe
machine tool. Its safety
features include:-
Covered leadscrew
Torque
limiter
on
Feed
Shaft
Fail-Safe switch operates
if
End Guard removed.
Shear Pin
for
leadscrew
Interlock in
Apron
prevents simultaneous engagement
of
feed shaft and leadscrew.
In
the
further
interests
of
safety, attention should
be
given
to
the following notes:-
A.
Machine
Capacity
The dimensions
of
a component which can be accommodated on
the
M250
lathe are limited
only
by
the physical restrictions
of
the machine itself
but
responsibility
for
the
following points
with
respect
to
machining a component
must
inevitably rest
with
the
user.
(1) Ensuring
that
the operator has had suitable training and possesses the required degree
of
skill and experience
to
undertake the
work.
(21
Providing suitable
work
holding
and/or
supporting equipment, i.e. chucks, steadies,
revolving centres, etc.
(3) Ensuring
that
suitable tooling is provided and correctly mounted.
(41
Ensuring that suitable feeds and speeds are selected (if in
doubt
select the lowest).
(5) Providing suitable workpiece guards and ensuring
that
these are consistently used.
B. Lathe Safety Rules
(1) Read and understand operation notes before attempting
to
use the machine.
(2) Keep lathe
work
areas clean.
(3) Keep area surrounding machine
tidy.
(4) ENSURE YOU
KNOW
HOW
TO STOP THE MACHINE BEFORE STARTING IT.
(5) Do
not
interchange chucks
or
other spindle mounting items between lathes
without
checking
for
correct locking (see operational notes).
(6) Use only 'high speed' chucks.
(7) Note maximum permissible speeds
of
faceplates (see operational notes).
(8) Remove chuck key immediately
after
use.
(9) Check load capacity
of
revolving centres.
(
10)
Ensure
work
piece guards are in position before starting machine.
(
11)
Do
not
use cracked
or
chipped tools.
(12) Check -
Spindle speed selected.
Feed rate selected.
Direction
of
feed, and that
Feed
& thread cutting levers are disengaged before starting the spindle.
(13) STOP MACHINE IMMEDIATELY
ANYTHING
UNEXPECTED HAPPENS.
(14) Do
not
use coarse feed range on high spindle speeds
(see
operational notes).
(15)
Do
not
change spindle speeds when spindle is rotating.
(
16)
Do
not
touch
revolving chuck, spindle,
or
workpiece.
(
17)
Do
not
remove
work
from
the machine
without
retreating
the
tool
to
a safe position.
(18)
Stop
motors
and
switch
off
isolator
when
leaving machine unattended.
15
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