Optimization of Qualitative Indicators of the Machined Surface in Symmetrical Machining of TS by WEDM Technology
Symmetry,
Год журнала:
2025,
Номер
17(2), С. 229 - 229
Опубликована: Фев. 5, 2025
Current
approaches
in
the
process
of
evaluating
quality
machined
surface
during
wire
electrical
discharge
machining
(WEDM)
generally
do
not
include
assessment
micro-
and
macro-geometric
indicators
both
parts
cut.
In
practice,
however,
there
are
specific
cases
when
it
is
necessary
to
use
halves
such
cases,
choose
a
special
approach
only
but
also
surface.
Therefore,
experimental
measurements
were
aimed
at
identification
these
macro-geometrical
symmetrical
WEDM.
Within
them,
qualitative
flat
curved
surfaces
assessed.
The
individual
characteristics
was
carried
out
using
Suftes,
Roundtest
Mitutoyo,
3D
coordinate
measuring
device.
design
experiment
followed
full
DoE
factorial
method,
obtained
results
processed
Taguchi
method.
Based
on
results,
response
macro
micro-geometric
parameters
characterized
by
means
multiple
regression
models
(MRM)
symmetrically
tool
steel
EN
X37CrMoV5-1
(Bohdan
Bolzano,
Kladno,
ČR)
WEDM
technology.
They
revealed
mutual
dependence
output
eroded
area
input
variables’
main
technological
(MTP).
Subsequent
multi-parameter
optimization
resulted
suitable
level
setting
MTP
variable
I,
ton,
U,
toff
(9
A,
32
μs,
15
70
V),
through
which
greatest
agreement
can
be
achieved.
By
applying
optimized
levels
settings
for
X37CrMoV5-1,
their
achieved
95%.
Язык: Английский
Assessment of Surface Integrity in Precision Electrical Discharge Machining of HSS EN HS6-5-2C
Micromachines,
Год журнала:
2024,
Номер
15(12), С. 1469 - 1469
Опубликована: Дек. 1, 2024
The
integrity
of
the
machined
surface
in
precision
wire
electrical
discharge
machining
(WEDM)
electrically
conductive
materials
is
one
most
important
quality
indicators.
parameters
are
primarily
monitored
terms
micro
and
macro
geometry
parameters.
This
paper
presents
results
obtained
as
a
part
experimental
research
aimed
at
evaluating
crack
density
(SCD)
when
EN
HS6-5-2C
using
WEDM
technology.
aim
was
to
find
combination
main
technological
(MTP)
order
minimize
qualitative
indicators
SCD
Ra
eroded
surface.
within
framework
evaluation
were
processed
Taguchi
method.
examined
by
scanning
digital
microscope
(SDM)
after
application
full
multiple
offset
cuts
with
an
AC
Brass
LP
1000
brass
electrode.
Based
on
measurements
performed,
significant
facts
discovered.
It
found
that
largest
defects
present
first
two
cuts.
At
same
time,
it
lower
values
parameter
steel
recorded
thicknesses
above
130.0
mm.
also
confronted
parameter,
they
significantly
influenced
MTP.
higher
value
peak
current
I
(19
A)
longer
duration
ton
(32
μs)
result
increase
from
0.005
μm·μm−2
0.0256
μm·μm−2.
resulting
solutions
mathematical
regression
models
(MRM),
which
allow
prediction
both
respect
their
minimization.
Язык: Английский