Journal of Manufacturing and Materials Processing,
Journal Year:
2024,
Volume and Issue:
8(5), P. 204 - 204
Published: Sept. 19, 2024
Laser
wire-feed
metal
additive
manufacturing
(LWAM)
is
an
innovative
technology
that
shows
many
advantages
compared
with
traditional
approaches.
Despite
these
advantages,
its
industrial
adoption
limited
by
complex
parameter
management
and
inconsistent
process
quality.
To
address
issues
improve
geometric
accuracy,
this
study
explores
how
parameters
influence
bead
geometry.
We
conducted
a
varying
laser
power,
wire
feed
rate,
traverse
speed,
welding
angle.
Using
full
factorial
design
central
composite
methodology,
we
assessed
height
width.
This
allowed
us
to
develop
model
estimate
ideal
parameters.
The
findings
offer
detailed
analysis
of
interactions
their
effects
on
geometry,
aiming
enhance
accuracy
stability
in
LWAM.
Moreover,
have
evaluated
the
proposed
from
our
developed
model,
which
showed
significant
enhancement
overall
was
validated
via
printing
single
layer
multi-layer
structures.
quality
final
predicted
sample
using
method
improved
40%
best
produced
for
Design
Experiment
trials.
Materials,
Journal Year:
2023,
Volume and Issue:
16(5), P. 2030 - 2030
Published: March 1, 2023
Laser
Wire-Feed
Metal
Additive
Manufacturing
(LWAM)
is
a
process
that
utilizes
laser
to
heat
and
melt
metallic
alloy
wire,
which
then
precisely
positioned
on
substrate,
or
previous
layer,
build
three-dimensional
metal
part.
LWAM
technology
offers
several
advantages,
such
as
high
speed,
cost
effectiveness,
precision
control,
the
ability
create
complex
geometries
with
near-net
shape
features
improved
metallurgical
properties.
However,
still
in
its
early
stages
of
development,
integration
into
industry
ongoing.
To
provide
comprehensive
understanding
technology,
this
review
article
emphasizes
importance
key
aspects
LWAM,
including
parametric
modeling,
monitoring
systems,
control
algorithms,
path-planning
approaches.
The
study
aims
identify
potential
gaps
existing
literature
highlight
future
research
opportunities
field
goal
advancing
industrial
application.
Journal of Manufacturing and Materials Processing,
Journal Year:
2024,
Volume and Issue:
8(2), P. 84 - 84
Published: April 20, 2024
Wire-laser
directed
energy
deposition
has
emerged
as
a
transformative
technology
in
metal
additive
manufacturing,
offering
high
material
efficiency
and
promoting
cleaner
process
environment
compared
to
powder
processes.
This
technique
gained
attention
across
diverse
industries
due
its
ability
expedite
production
facilitate
the
repair
or
replication
of
valuable
components.
work
reviews
state-of-the-art
wire-laser
gain
clear
understanding
key
variables
identify
challenges
affecting
stability.
Furthermore,
this
paper
explores
modeling
monitoring
methods
utilized
literature
enhance
final
quality
fabricated
parts,
thereby
minimizing
need
for
repeated
experiments,
reducing
waste.
By
reviewing
existing
literature,
contributes
advancing
current
technology.
It
highlights
gaps
while
underscoring
research
needs
deposition.
Metals,
Journal Year:
2022,
Volume and Issue:
12(3), P. 455 - 455
Published: March 8, 2022
Coaxial
Laser
Metal
Deposition
with
wire
(LMD-w)
is
a
valuable
complement
to
the
already
established
Additive
Manufacturing
processes
in
production
because
it
allows
direction-independent
process
high
deposition
rates
and
accuracy.
However,
there
lack
of
knowledge
regarding
adjustment
parameters
during
development
build
defect-free
parts.
Therefore,
this
work,
for
coaxial
LMD-w
was
conducted
using
an
aluminum
AlMg4,5MnZr
stainless
steel
AISI
316L.
At
first,
boundaries
parameter
combinations
that
led
were
identified.
The
proportion
between
energy
per
unit
length
speed
ratio
proved
crucial
process.
Then,
influence
on
height
width
single
beads
both
materials
analyzed
regression
analysis.
It
shown
linear
models
are
suitable
describing
correlation
dimensions
beads.
Lastly,
material-independent
formula
presented
calculate
increment
layer
needed
additive
For
future
studies,
results
work
will
be
aid
different
materials.
Additive manufacturing,
Journal Year:
2022,
Volume and Issue:
58, P. 103048 - 103048
Published: July 20, 2022
Interest
in
multi-axis
additive
manufacturing
has
grown
significantly
recent
years
due
to
associated
benefits
that
range
from
improved
quality
support
for
greater
geometric
complexity.
A
method
of
5-axis
Laser
Hot-Wire
Directed
Energy
Deposition
is
developed
and
demonstrated
this
study
using
an
8-axis
industrial
robot,
comprised
a
6-axis
serial
link
robot
2
degree‐of‐freedom
positioner.
Coordinated
motion
used
print
Ti-6Al-4V
objects
predominantly
through
build
plate
rotation.
Methods
slicing
toolpath
generation
are
presented,
including
the
use
alternating
direction
philosophy
manipulation
CAD
model
surface
normal
vectors
determining
required
tilt
angles
maintaining
consistent
deposition
orientations
relative
gravity.
Another
objective
was
determine
limits
conventional
layer
height
control
techniques
printing
geometries
with
significant
unsupported
overhangs.
comparison
made
between
behavior
conformal
bead
alignment
regard,
performance
controller
reported
as
it
relates
process
stability
overhang
geometries.
Unsupported
overhangs
were
successfully
printed
at
35°
without
45°
tilt.
Toolpath
velocity
net-shape
well,
3D
scans
surfaces
characterization.
In
all,
three
geometry,
large-scale,
multi-bead
demonstrator
part,
which
exceeded
500
mm
weighed
44
kg
(97
lbs).
Journal of Materials Research and Technology,
Journal Year:
2022,
Volume and Issue:
20, P. 4283 - 4296
Published: Sept. 1, 2022
The
deposition
bead
geometry
in
the
arc
strike
zone
is
often
abnormal
compared
with
that
middle
zone.
accumulation
of
these
errors
process
results
defects
overall
bead.
To
prevent
such
errors,
this
study
aimed
to
address
irregular
shape
and
deviation
without
changing
path
or
introducing
external
devices.
A
support
vector
machine
classifier,
which
a
typical
application
machine-learning
classification
models,
was
used
obtain
condition
ranges
for
uniform
shape.
conditions
zones
could
reduce
were
obtained
using
regression.
These
applied
form
variable
single-path
deposition.
Five-layer
conducted
validate
regression
model.
As
result
validation
experiment,
average
height
width
0.36%
1.28%,
respectively,
0.64%
1.26%,
respectively.
Therefore,
model
can
be
accurate
deposition,
thereby
reducing
post-processing
cost.
Journal of Laser Applications,
Journal Year:
2022,
Volume and Issue:
34(4)
Published: Nov. 1, 2022
Laser
metal
deposition
(LMD)
is
an
additive
manufacturing
process
in
which
a
powder
or
wire
added
to
laser-induced
molten
pool.
This
localized
of
material
used
for
the
manufacturing,
modification,
and
repair
wide
range
components.
The
use
as
feedstock
offers
various
advantages
over
terms
contamination
environment,
utilization
rate,
ease
handling,
price.
However,
achieve
stable
well
defined
geometrical
microstructural
properties
many
layers,
precise
knowledge
on
effects
input
variables
resulting
characteristics
required.
In
this
work,
melt
pool
temperature
was
parameter
LMD
with
coaxial
feeding
stainless
steel,
made
possible
through
dedicated
closed-loop
control
system
based
pyrometry.
Initially,
determined
different
conditions
obtained.
Within
range,
cause-effect
relationships
between
geometry
were
investigated
individual
weld
beads.
It
found
that
positively
correlated
width
bead
dilution.
addition,
dependence
microhardness
distribution
cross
section
demonstrated,
increased
negatively
affecting
hardness.
Robotics and Computer-Integrated Manufacturing,
Journal Year:
2023,
Volume and Issue:
86, P. 102683 - 102683
Published: Nov. 16, 2023
Laser
metal
deposition
(LMD)
with
wire
is
a
versatile
additive
manufacturing
process
used
for
the
production
of
near-net-shape
components
as
well
modification
and
repair
applications.
Major
advantages
using
feedstock
material
opposed
to
powder
include
elimination
hazardous
dust
in
environment
lower
costs.
However,
highly
sensitive
disturbances
requires
significant
effort
parameter
tuning.
Thus,
order
achieve
stable
defined
geometric
properties
over
many
layers,
dedicated
approaches
monitoring
control
are
essential.
In
particular,
maintaining
constant
distance
between
workpiece
surface
head
an
important
prerequisite
stability.
Therefore,
this
work,
layer
height
system
wire-based
LMD
was
implemented.
The
objective
ensure
corresponding
specified
increment
even
case
disturbances.
Using
laser
line
scanner,
profile
part
obtained
after
each
deposited
layer.
weld
beads
were
then
divided
into
small
segments
obtain
fully
discrete
profile,
feed
rate
next
set
by
individual
controller
within
segment.
implemented
tested
its
effectiveness
under
different
disturbances,
whereby
differences
could
be
compensated
few
layers.
developed
segmentation
approach
found
effective
method
dimensional
accuracy
components.
This
work
thus
constitutes
major
contribution
advancement
automated
metallic
