Milling
Machines
Next
to
lathe,
the
milling
machine is
regarded
by
most
authorities
as
the
most
versatile
of
all
machine
tools.
Practically
all
shapes
and
sizes
of
both
flat
and
curved
surfaces,
on
both
the
inside
and
the
outside
of
work
pieces,can
usually
be
machined
by
one
or
another
milling
method.
Milling is
uniquely
adaptable
and
economical
method
of
producing
a
wide
variety
of
machining
operations
in
the
manufacture
of
only
a
few
parts
to
an
almost
unlimited
production
quantity.
Milling
offers
the
additional
advantage
of
providing
methods
of
repetitively
creating
accurate
parts
for
interchangeable
manufacture.
Milling
machines are
employed
for
machining
flat
surfaces,
contoured
surfaces,
surfaces
of
revolution,
external
and
internal
threads,
and
helical
surfaces,
of
various
cross
sections.
In
many
applications,
due
to
its
high
accuracy
and
higher
production
rates,
milling
machine
has
replaced
shapers
and
slotters
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